Active NPI
Clark Dermatology LLC
- Dermatology Physician
- Clark, NJ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dermatology Physician
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Dr. Alexander Doctoroff, D.O.
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | Primary | ||
| MOHS-Micrographic Surgery Physician | 207ND0101X | |||
| Dermatopathology Physician | 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
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in NJ, NY
Enrollment records 2
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 31D1096817 | Clark Dermatology | Compliance | Jul 14, 2027 |
| 31D2121156 | Clark Dermatology | Compliance | Jul 5, 2027 |
| 31D2166095 | Clark Dermatology | Compliance | Oct 2, 2027 |
| 31D2181415 | Clark Dermatology | Compliance | Nov 21, 2027 |
| 31D2214982 | Clark Dermatology | Registration | Mar 18, 2028 |
| 31D2220087 | Clark Dermatology LLC | Compliance | Jan 19, 2028 |
| 31D2272192 | Clark Dermatology | Registration | Oct 20, 2027 |
| 31D2286027 | Clark Dermatology LLC | Certificate of waiver | Jul 20, 2027 |
| 31D2286029 | Clark Dermatology LLC | Certificate of waiver | Jul 20, 2027 |
| 31D2344816 | Clark Dermatology Dba | Certificate of waiver | May 31, 2028 |
National Provider Directory
National Provider DirectoryLocations
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.
-
- Registered Nurse
- Toms River, NJ
- NPI 1750642062
-
- Dermatology Physician
- Kearny, NJ
- NPI 1598836280
-
- Dermatology Physician
- Watchung, NJ
- NPI 1225148307
-
- Dermatology Physician
- Englewood, NJ
- NPI 1407968910
-
- Family Nurse Practitioner
- Clark, NJ
- NPI 1407227408
-
- Family Nurse Practitioner
- Millburn, NJ
- NPI 1730595174
-
- Dermatology Physician
- Mahwah, NJ
- NPI 1396844163
-
- Physician Assistant
- Randolph, NJ
- NPI 1649895160
-
- Procedural Dermatology Physician
- Red Bank, NJ
- NPI 1780144527
-
- Family Nurse Practitioner
- Matawan, NJ
- NPI 1265192058
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.