Susan Catherine Erk, DO

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

181548 Issued in NY

Practice address

1835 Maple Rd
Williamsville, NY 14221-2711

Phone

(716) 631-8212

Fax

(716) 631-8710

NPI assigned

Mar 1, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in NY

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

Obstetrics/Gynecology

Education

Des Moines University of Osteopathic Medicine and Health Sciences, 1987

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

General Physician PCGroup PAC ID 9537213079, 488 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Kaleida Health Hospital, Buffalo, NY, CCN 330005

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: serk@gppc.medentdirect.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.

• General Physician, PC

  • General Practice Physician
  • Dunkirk, NY
  • NPI 1093959322
  Medicare reassignment Care Compare group NPD
• Diane Flanigen MD Eye Care PC

  • Ophthalmology Physician
  • Williamsville, NY
  • NPI 1215105101
  NPD (past)
• Maple Internal Medicine & Pediatrics, PLLC

  • Internal Medicine Physician
  • Williamsville, NY
  • NPI 1578520854
  NPD (past)

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

• Kaleida Health

  • General Acute Care Hospital
  • Williamsville, NY
  • NPI 1053441907
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • North Tonawanda, NY
  • NPI 1104956358
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1245365196
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1366473183
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1639209596
  Care Compare affiliation
• Kaleida Health

  • General Acute Care Hospital
  • Buffalo, NY
  • NPI 1831229780
  Care Compare affiliation

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

{
    "created_epoch": "1141171200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1477520203",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1835 MAPLE RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142212711",
            "telephone_number": "716-631-8212",
            "fax_number": "716-631-8710"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1835 MAPLE RD",
            "city": "WILLIAMSVILLE",
            "state": "NY",
            "postal_code": "142212711",
            "telephone_number": "716-631-8212",
            "fax_number": "716-631-8710"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ERK",
        "first_name": "SUSAN",
        "middle_name": "CATHERINE",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-01",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NY",
            "license": "181548",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01193957",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Barbara J Erick
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• Erie,Niagara Tonawanda Medical Associates PC
• Erika M. Malinowski RN NP in Psychiatry PLLC
• Geraldine Erokwu
• Justin Ertel-Redfield, LMT
• Tammy Bernadette Ervolina-Kroll, RPA-C
• Milta Paola Escoto, FNP-BC
• Alexander N Eswar, M.D.

• Obstetrics & Gynecology Physician in Williamsville, NY
• Providers in Williamsville, NY by specialty
• Obstetrics & Gynecology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.