Erika Marlee Ryan, M.D.

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

305298 Issued in NY

Practice address

5610 2ND Ave
Brooklyn, NY 11220-3599

Phone

(718) 630-7942

NPI assigned

May 16, 2016

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Electronic endpoints 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

University of Missouri, Columbia School of Medicine, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

NYU Langone HospitalsGroup PAC ID 4981515699, 245 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• NYU Langone Hospitals Hospital, New York, NY, CCN 330214

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

• Healthfirst Medicare Network H1722
• Healthfirst Medicare Network H5989
• Healthfirst Medicare Network H3359
• Healthfirst Medicare Network H9678

Interoperability endpoints

• Direct secure messaging: eryan128787@nyumc.direct-ci.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.

• NYU Langone Hospitals

  • Internal Medicine Physician
  • New York, NY
  • NPI 1790975944
  Medicare reassignment Care Compare group NPD
• Icahn School of Medicine at Mount Sinai

  • Obstetrics & Gynecology Physician
  • New York, NY
  • NPI 1124392212
  Medicare reassignment NPD
• Icahn School of Medicine at Mount Sinai

  • Eyewear Supplier
  • New York, NY
  • NPI 1760227466
  NPD
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1619341716
  NPD (past)

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

• NYU Langone Hospitals

  • Rehabilitation Hospital Unit
  • New York, NY
  • NPI 1275632895
  Care Compare affiliation
• NYU Langone Hospitals

  • Ambulance
  • Brooklyn, NY
  • NPI 1346614443

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Mineola, NY
  • NPI 1427616002
  Care Compare affiliation
• NYU Langone Hospitals

  • Oncology Clinic/Center
  • New York, NY
  • NPI 1437230034

  Hospital

  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • Brooklyn, NY
  • NPI 1619341716
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1669578324
  Care Compare affiliation
• NYU Langone Hospitals

  • General Acute Care Hospital
  • New York, NY
  • NPI 1801992631
  Care Compare affiliation

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

{
    "created_epoch": "1463356800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783468800000",
    "number": "1326495821",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5610 2ND AVE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112203599",
            "telephone_number": "718-630-7241"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5610 2ND AVE",
            "city": "BROOKLYN",
            "state": "NY",
            "postal_code": "112203599",
            "telephone_number": "718-630-7942"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "150 55th St",
            "address_purpose": "LOCATION",
            "city": "Brooklyn",
            "state": "NY",
            "postal_code": "112202508",
            "country_code": "US",
            "telephone_number": "718-630-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "550 1st Ave",
            "address_2": "NYU Langone Medical Center",
            "address_purpose": "LOCATION",
            "city": "New York",
            "state": "NY",
            "postal_code": "100166402",
            "country_code": "US",
            "telephone_number": "908-229-3907",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RYAN",
        "first_name": "ERIKA",
        "middle_name": "MARLEE",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-05-16",
        "last_updated": "2026-07-08",
        "certification_date": "2026-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NY",
            "license": "305298",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "eryan128787@nyumc.direct-ci.com",
            "affiliation": "N",
            "address_1": "5610 2nd Ave",
            "city": "Brooklyn",
            "state": "NY",
            "country_code": "US",
            "postal_code": "112203599",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Beatriz E Ryan
• Carlita Ryan
• Denise Kim Ryan, APRN, BC; MSN
• Dionne Ryan, MSW
• Eileen Ryan
• Joseph Ryan
• Kelley A Ryan
• Mark C Ryan, LCSW
• Megan Ryan, PMHNP
• Natalie Ryan, LCAT

• Obstetrics & Gynecology Physician in Brooklyn, NY
• Providers in Brooklyn, 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 8, 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.