Organization Active NPI

Clark Dermatology LLC

  • Dermatology Physician
  • Clark, NJ
National Provider Identifier
1851562425
Registry record updated Jul 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
Legal business name
CLARK DERMATOLOGY LLC
Practice address
1075 Central Ave
Clark, NJ 07066-1116
Phone
(732) 574-1399
Fax
(732) 574-1433
NPI assigned
Mar 21, 2008
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jul 31, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Dr. Alexander Doctoroff, D.O.NPI 1881648970
Title
Owner
Phone
(732) 574-1399

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207N00000X Primary
MOHS-Micrographic Surgery PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207ND0101X
Dermatopathology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207ND0900X

Addresses

Primary practice location

1075 Central Ave
Clark, NJ 07066-1116

Mailing address

469 Morris Ave Ste 3
Elizabeth, NJ 07208-2904
Phone (732) 574-1399

Other practice location 1

3202 John F Kennedy Blvd
Jersey City, NJ 07306-3416
Phone (201) 792-4500

Other practice location 2

400 Franklin Tpke Ste 208
Mahwah, NJ 07430-3539
Phone (201) 825-0009

Other practice location 3

48 S Franklin Tpke Ste 203
Ramsey, NJ 07446-2558
Phone (201) 825-0009

Other practice location 4

1425 Pompton Ave Ste 1-1
Cedar Grove, NJ 07009-1043
Phone (973) 785-8686 ext. 1800

Other practice location 5

3 Lincoln Hwy Ste 305
Edison, NJ 08820-3963
Phone (732) 549-2448

Other practice location 6

703 Kearny Ave
Kearny, NJ 07032-3003
Phone (201) 998-4699

Other practice location 7

622 Boulevard
Kenilworth, NJ 07033-1640
Phone (908) 241-3181

Other practice location 8

1030 Saint Georges Ave Ste 202
Avenel, NJ 07001-1330
Phone (732) 750-1331

Other practice location 9

1805 Route 206
Southampton, NJ 08088-3558
Phone (609) 388-6098

Other practice location 10

36 Newark Ave Ste 214
Belleville, NJ 07109-4120
Phone (973) 751-1200

Other practice location 11

5809 Madison St
West New York, NJ 07093-1005
Phone (201) 861-4226

Other practice location 12

505 Omni Dr
Hillsborough, NJ 08844-4528
Phone (908) 359-6685

Other practice location 13

55 Newton Sparta Rd Ste 105
Newton, NJ 07860-2772
Phone (973) 300-0555

Other practice location 14

469 Morris Ave
Elizabeth, NJ 07208-2904
Phone (908) 512-7900

Other practice location 15

40 Stirling Rd Ste 203
Watchung, NJ 07069-5900
Phone (908) 753-9600

Other practice location 16

1 W Ridgewood Ave Ste 305
Paramus, NJ 07652-2361
Phone (201) 445-8786

Other practice location 17

100 N Black Horse Pike Ste C
Williamstown, NJ 08094-1483
Phone (856) 362-2200

Other practice location 18

1324 Victory Blvd
Staten Island, NY 10301-3917
Phone (718) 448-4488

Other practice location 19

3461 US Highway 22 E Bldg D
Branchburg, NJ 08876-6042
Phone (908) 725-4777

Other practice location 20

175 Cedar Ln Ste A
Teaneck, NJ 07666-4315
Phone (201) 837-3939

Other practice location 21

3071 E Chestnut Ave Ste D12
Vineland, NJ 08361-7847
Phone (201) 837-3939

Other practice location 22

114 Lakeview Ave
South Plainfield, NJ 07080-3422
Phone (908) 941-2227

Other practice location 23

50 Market St
Saddle Brook, NJ 07663-4843
Phone (201) 368-0011

Other names 1

  • Metropolitan Dermatology Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NJ, NY2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
O20080920000007 NJ Part B Supplier - Clinic/Group Practice 5395703573 Receives reassigned benefits from 50 practitioners
Practice locations: Jersey City, NJ; Paramus, NJ; Ramsey, NJ; Newton, NJ; Saddle Brook, NJ; South Plainfield, NJ; Southampton, NJ; Teaneck, NJ…
O20150903001245 NY Part B Supplier - Clinic/Group Practice 5395703573 Receives reassigned benefits from 9 practitioners
Practice locations: Staten Island, NY

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
31D1096817Clark Dermatology622 Boulevard, Kenilworth, NJ 07033ComplianceJul 14, 2027
31D2121156Clark Dermatology703 Kearny Ave, Kearny, NJ 07032ComplianceJul 5, 2027
31D2166095Clark Dermatology3071 East Chestnut Avenue, Vineland, NJ 08361ComplianceOct 2, 2027
31D2181415Clark Dermatology1 West Ridgewood Ave, Paramus, NJ 07652ComplianceNov 21, 2027
31D2214982Clark Dermatology55 Newton Sparta Road, Newton, NJ 07860RegistrationMar 18, 2028
31D2220087Clark Dermatology LLC469 Morris Avenue, Elizabeth, NJ 07208ComplianceJan 19, 2028
31D2272192Clark Dermatology3461 US 22D, Branchburg, NJ 08876RegistrationOct 20, 2027
31D2286027Clark Dermatology LLC622 Boulevard, Kenilworth, NJ 07033Certificate of waiverJul 20, 2027
31D2286029Clark Dermatology LLC36 Newark Avenue, Belleville, NJ 07109Certificate of waiverJul 20, 2027
31D2344816Clark Dermatology Dba48 S Franklin Turnpike, Ramsey, NJ 07446Certificate of waiverMay 31, 2028

National Provider Directory

National Provider Directory

Locations

36 Newark Ave
Belleville, NJ 07109
Phone (973) 751-2251

3461 US Highway 22 E
Bldg D
Branchburg, NJ 08876
Phone (908) 725-4777

469 Morris Ave
Elizabeth, NJ 07208
Phone (908) 351-3535

420 US Highway 46
Fairfield, NJ 07004
Phone (973) 785-8686

505 Omni Dr
Hillsborough, NJ 08844
Phone (908) 262-2186

3202 John F Kennedy Blvd
Jersey City, NJ 07306
Phone (201) 332-4500

752 Kearny Ave
Kearny, NJ 07032
Phone (201) 997-2553

622 Boulevard
Kenilworth, NJ 07033
Phone (908) 241-3181

400 Franklin Tpke
Ste 208
Mahwah, NJ 07430
Phone (201) 825-0009

55 Newton Sparta Rd
Ste 105
Newton, NJ 07860
Phone (973) 300-0555

48 S Franklin Tpke
Ste 203
Ramsey, NJ 07446
Phone (201) 825-0009

2350 South Ave
Ste 1
Scotch Plains, NJ 07076
Phone (732) 574-1399

3071 E Chestnut Ave
Ste D1
Vineland, NJ 08361
Phone (856) 691-1737

40 Stirling Rd
Ste 203
Watchung, NJ 07069
Phone (908) 753-4144

449 60th St
West New York, NJ 07093
Phone (201) 861-0720

100 N Black Horse Pike
Ste C
Williamstown, NJ 08094
Phone (856) 362-2200

100 N Black Horse Pike
Williamstown, NJ 08094

1324 Victory Blvd
Staten Island, NY 10301
Phone (718) 448-4488

Practitioners & affiliated clinicians

Practitioners 67

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 67

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1206057600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1753920000000",
    "number": "1851562425",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "469 MORRIS AVE STE 3",
            "city": "ELIZABETH",
            "state": "NJ",
            "postal_code": "072082904",
            "telephone_number": "732-574-1399",
            "fax_number": "908-512-7300"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1075 CENTRAL AVE",
            "city": "CLARK",
            "state": "NJ",
            "postal_code": "070661116",
            "telephone_number": "732-574-1399",
            "fax_number": "732-574-1433"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3202 John F Kennedy Blvd",
            "address_purpose": "LOCATION",
            "city": "Jersey City",
            "state": "NJ",
            "postal_code": "073063416",
            "country_code": "US",
            "telephone_number": "201-792-4500",
            "fax_number": "201-792-5983",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "400 Franklin Tpke Ste 208",
            "address_purpose": "LOCATION",
            "city": "Mahwah",
            "state": "NJ",
            "postal_code": "074303539",
            "country_code": "US",
            "telephone_number": "201-825-0009",
            "fax_number": "201-825-0059",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "48 S Franklin Tpke Ste 203",
            "address_purpose": "LOCATION",
            "city": "Ramsey",
            "state": "NJ",
            "postal_code": "074462558",
            "country_code": "US",
            "telephone_number": "201-825-0009",
            "fax_number": "201-825-0059",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1425 Pompton Ave Ste 1-1",
            "address_purpose": "LOCATION",
            "city": "Cedar Grove",
            "state": "NJ",
            "postal_code": "070091043",
            "country_code": "US",
            "telephone_number": "973-785-8686 x1800",
            "fax_number": "973-785-8680",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3 Lincoln Hwy Ste 305",
            "address_purpose": "LOCATION",
            "city": "Edison",
            "state": "NJ",
            "postal_code": "088203963",
            "country_code": "US",
            "telephone_number": "732-549-2448",
            "fax_number": "732-549-6891",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "703 Kearny Ave",
            "address_purpose": "LOCATION",
            "city": "Kearny",
            "state": "NJ",
            "postal_code": "070323003",
            "country_code": "US",
            "telephone_number": "201-998-4699",
            "fax_number": "201-998-9808",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "622 Boulevard",
            "address_purpose": "LOCATION",
            "city": "Kenilworth",
            "state": "NJ",
            "postal_code": "070331640",
            "country_code": "US",
            "telephone_number": "908-241-3181",
            "fax_number": "908-241-1669",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1030 Saint Georges Ave Ste 202",
            "address_purpose": "LOCATION",
            "city": "Avenel",
            "state": "NJ",
            "postal_code": "070011330",
            "country_code": "US",
            "telephone_number": "732-750-1331",
            "fax_number": "732-750-3196",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1805 Route 206",
            "address_purpose": "LOCATION",
            "city": "Southampton",
            "state": "NJ",
            "postal_code": "080883558",
            "country_code": "US",
            "telephone_number": "609-388-6098",
            "fax_number": "609-323-1010",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "36 Newark Ave Ste 214",
            "address_purpose": "LOCATION",
            "city": "Belleville",
            "state": "NJ",
            "postal_code": "071094120",
            "country_code": "US",
            "telephone_number": "973-751-1200",
            "fax_number": "973-450-9395",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5809 Madison St",
            "address_purpose": "LOCATION",
            "city": "West New York",
            "state": "NJ",
            "postal_code": "070931005",
            "country_code": "US",
            "telephone_number": "201-861-4226",
            "fax_number": "201-861-7630",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "505 Omni Dr",
            "address_purpose": "LOCATION",
            "city": "Hillsborough",
            "state": "NJ",
            "postal_code": "088444528",
            "country_code": "US",
            "telephone_number": "908-359-6685",
            "fax_number": "908-359-0649",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "55 Newton Sparta Rd Ste 105",
            "address_purpose": "LOCATION",
            "city": "Newton",
            "state": "NJ",
            "postal_code": "078602772",
            "country_code": "US",
            "telephone_number": "973-300-0555",
            "fax_number": "973-300-0052",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "469 Morris Ave",
            "address_purpose": "LOCATION",
            "city": "Elizabeth",
            "state": "NJ",
            "postal_code": "072082904",
            "country_code": "US",
            "telephone_number": "908-512-7900",
            "fax_number": "908-512-7300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "40 Stirling Rd Ste 203",
            "address_purpose": "LOCATION",
            "city": "Watchung",
            "state": "NJ",
            "postal_code": "070695900",
            "country_code": "US",
            "telephone_number": "908-753-9600",
            "fax_number": "908-753-3743",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 W Ridgewood Ave Ste 305",
            "address_purpose": "LOCATION",
            "city": "Paramus",
            "state": "NJ",
            "postal_code": "076522361",
            "country_code": "US",
            "telephone_number": "201-445-8786",
            "fax_number": "201-445-8811",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "100 N Black Horse Pike Ste C",
            "address_purpose": "LOCATION",
            "city": "Williamstown",
            "state": "NJ",
            "postal_code": "080941483",
            "country_code": "US",
            "telephone_number": "856-362-2200",
            "fax_number": "856-362-2201",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1324 Victory Blvd",
            "address_purpose": "LOCATION",
            "city": "Staten Island",
            "state": "NY",
            "postal_code": "103013917",
            "country_code": "US",
            "telephone_number": "718-448-4488",
            "fax_number": "718-442-4874",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3461 US Highway 22 E Bldg D",
            "address_purpose": "LOCATION",
            "city": "Branchburg",
            "state": "NJ",
            "postal_code": "088766042",
            "country_code": "US",
            "telephone_number": "908-725-4777",
            "fax_number": "908-512-7300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "175 Cedar Ln Ste A",
            "address_purpose": "LOCATION",
            "city": "Teaneck",
            "state": "NJ",
            "postal_code": "076664315",
            "country_code": "US",
            "telephone_number": "201-837-3939",
            "fax_number": "201-837-8336",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3071 E Chestnut Ave Ste D12",
            "address_purpose": "LOCATION",
            "city": "Vineland",
            "state": "NJ",
            "postal_code": "083617847",
            "country_code": "US",
            "telephone_number": "201-837-3939",
            "fax_number": "201-837-8336",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "114 Lakeview Ave",
            "address_purpose": "LOCATION",
            "city": "South Plainfield",
            "state": "NJ",
            "postal_code": "070803422",
            "country_code": "US",
            "telephone_number": "908-941-2227",
            "fax_number": "908-941-2030",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "50 Market St",
            "address_purpose": "LOCATION",
            "city": "Saddle Brook",
            "state": "NJ",
            "postal_code": "076634843",
            "country_code": "US",
            "telephone_number": "201-368-0011",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "CLARK DERMATOLOGY LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2008-03-21",
        "last_updated": "2025-07-31",
        "certification_date": "2025-07-31",
        "status": "A",
        "authorized_official_last_name": "DOCTOROFF",
        "authorized_official_first_name": "ALEXANDER",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "732-574-1399",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "D.O."
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207ND0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology, MOHS-Micrographic Surgery",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207ND0900X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dermatology, Dermatopathology",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Metropolitan Dermatology",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Metropolitan Dermatology",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Clark, NJ

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.