Jeffrey Brian Danzig, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

25MA05482800 Issued in NJ

Practice address

127 Union St
Ridgewood, NJ 07450-4478

Phone

(201) 445-8787

Fax

(201) 445-8556

NPI assigned

Jan 13, 2006

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in NJ

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

GastroenterologyAlso: Internal Medicine

Education

New York University School of Medicine, 1983

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Summit Medical Group PAGroup PAC ID 5395642276, 1,204 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Valley Hospital Hospital, Paramus, NJ, CCN 310012

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: jeffrey.danzig.1@2983.direct.athenahealth.com

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Summit Medical Group PA

  • Multi-Specialty Clinic/Center
  • Berkeley Heights, NJ
  • NPI 1942254347
  Medicare reassignment Care Compare group NPD
• Summit Medical Group PA

  • Durable Medical Equipment & Medical Supplies
  • Hackensack, NJ
  • NPI 1043930555
  NPD
• Paramount Medical Group, PC

  • Internal Medicine Physician
  • Warren, NJ
  • NPI 1245225705
  NPD (past)
• Summit Medical Group, Inc

  • Family Medicine Physician
  • Erlanger, KY
  • NPI 1750343216

  Internal Medicine

  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• The Valley Hospital Inc.

  • General Acute Care Hospital
  • Paramus, NJ
  • NPI 1013912633
  Care Compare affiliation

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

{
    "created_epoch": "1137110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771200000000",
    "number": "1689653909",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2 WINTHROP DR",
            "city": "WOODCLIFF LAKE",
            "state": "NJ",
            "postal_code": "076777856",
            "telephone_number": "201-476-1526",
            "fax_number": "201-445-8556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "127 UNION ST",
            "city": "RIDGEWOOD",
            "state": "NJ",
            "postal_code": "074504478",
            "telephone_number": "201-445-8787",
            "fax_number": "201-445-8556"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DANZIG",
        "first_name": "JEFFREY",
        "middle_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-01-13",
        "last_updated": "2026-02-16",
        "certification_date": "2026-02-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NJ",
            "license": "25MA05482800",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NJ",
            "license": "25MA05482800",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Erin Curto, LPC
• Angela M D'Alessandro, MD
• Anthony Louis D'Ambrosio, M.D.
• Alexis Dallara-Marsh
• Salvatore Dangelo, M D
• Paul Walter Dasher, PH.D.
• Umer Dasti, MD
• Santa Ghosh Dastidar, LCSW
• Mary E Davey, LCSW
• David N. Rosenfeld, M.D., P.a.

• Gastroenterology Physician in Ridgewood, NJ
• Providers in Ridgewood, NJ by specialty
• Gastroenterology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.