Alyssa Nicole Reitsma, MD

Primary specialty

Medical Specialty Clinic/CenterTaxonomy code 261QM2500X

Practice address

148 E 38TH St
New York, NY 10016-2607

Phone

(844) 359-8363

Fax

(833) 955-3592

NPI assigned

Apr 9, 2021

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in MI, OH2 enrollments

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 2

Specialty

Family Practice

Education

Oakland Univ, William Beaumont School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

The Metrohealth SystemGroup PAC ID 8628982949, 1,150 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beaumont Hospital, Troy Hospital, Troy, MI, CCN 230269
• Metrohealth System Hospital, Cleveland, OH, CCN 360059

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: areitsma311955@direct.metrohealth.org

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.

• The Metrohealth System

  dba Metrohealth Professional Group

  • Multi-Specialty Clinic/Center
  • Cleveland, OH
  • NPI 1053353896

  Family Medicine

  Medicare reassignment Care Compare group NPD
• Orion Family Physicians PC

  • Family Medicine Physician
  • Lake Orion, MI
  • NPI 1578627816
  Medicare reassignment NPD
• The Metrohealth System

  dba Metrohealth Medical Center

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1700828852
  NPD
• The Metrohealth System

  dba MetroHealth Brooklyn Memphis Pharmacy

  • Pharmacy
  • Cleveland, OH
  • NPI 1992529911
  NPD

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

• The Metrohealth System

  dba Metrohealth Life Flight

  • Air Ambulance
  • Cleveland, OH
  • NPI 1609043645

  Hospital

  Care Compare affiliation
• The Metrohealth System

  dba Metrohealth Medical Center

  • General Acute Care Hospital
  • Cleveland, OH
  • NPI 1700828852
  Care Compare affiliation
• William Beaumont Hospital

  dba Beaumont Hospital, Troy

  • General Acute Care Hospital
  • Troy, MI
  • NPI 1306825997
  Care Compare affiliation

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

{
    "created_epoch": "1617926400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1205416898",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "120 NW 62ND ST APT 1102",
            "city": "GAINESVILLE",
            "state": "FL",
            "postal_code": "326070108",
            "telephone_number": "248-633-6872"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "148 E 38TH ST",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100162607",
            "telephone_number": "844-359-8363",
            "fax_number": "833-955-3592"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "93 Cherry St Unit G1",
            "address_purpose": "LOCATION",
            "city": "New Canaan",
            "state": "CT",
            "postal_code": "068405521",
            "country_code": "US",
            "telephone_number": "844-359-8363",
            "fax_number": "833-929-3520",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "500 W Main St Ste 16",
            "address_purpose": "LOCATION",
            "city": "Wyckoff",
            "state": "NJ",
            "postal_code": "074811406",
            "country_code": "US",
            "telephone_number": "844-359-8363",
            "fax_number": "833-929-3520",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "REITSMA",
        "first_name": "ALYSSA",
        "middle_name": "NICOLE",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-04-09",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "CT",
            "license": null,
            "primary": false
        },
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "NJ",
            "license": null,
            "primary": false
        },
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "NY",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Joshua Reiter
• Julie Reiter, MS, CCC-SLP, TSSLD
• Robin Reiter, DPT, ATC
• Sonia Reiter
• Elena Reitman-Ivashkov, M.D.
• Shari Diane Reitzen-Bastidas, M.D.
• Linda Block Reitzes, LCSW
• Debashis Reja, MD
• Maksymilian Rejmer, PA-C
• Rejuvenating Fertility Ny, PLLC

• Medical Specialty Clinic/Center in New York, NY
• Providers in New York, NY by specialty
• Medical Specialty Clinic/Center in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 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.