Michael S Kirwin, MD

Primary specialty

Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X

License

62235 Issued in NJ

Practice address

501 Ironbridge Rd
Ste 10
Freehold, NJ 07728

Phone

(732) 431-2999

Fax

(732) 431-2993

NPI assigned

Jul 15, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 2

Electronic endpoints 3

Medicare fee-for-service enrollment

Enrolled in NJ, WI2 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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: michael.kirwin.p1@direct.mfhcnj.nextgenshare.com
• Direct secure messaging: mkirwin521619@direct-ehr-ssmhc.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
• Direct secure messaging: mkirwin425230@direct.ahsys.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.

• Barnabas Health Medical Group PC

  • Specialist
  • Elizabeth, NJ
  • NPI 1841557246
  Medicare reassignment NPD
• Monmouth Family Health Center Inc

  • Federally Qualified Health Center (FQHC)
  • Long Branch, NJ
  • NPI 1962841502
  Medicare reassignment NPD
• Dean Health Systems, Inc

  dba SSM Health Dean Medical Group

  • Allergy & Immunology Physician
  • Madison, WI
  • NPI 1053358846
  Medicare reassignment NPD
• Barnabas Health Medical Group PC

  • Durable Medical Equipment & Medical Supplies
  • Hackensack, NJ
  • NPI 1316772668
  NPD
• Monmouth Family Health Center, Inc

  • Federally Qualified Health Center (FQHC)
  • Long Branch, NJ
  • NPI 1790974996
  NPD
• Monmouth Family Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Long Branch, NJ
  • NPI 1669791869
  NPD
• Dean Health Systems, Inc.

  dba SSM Health Davis Duehr Dean Eye Care - Portage

  • Durable Medical Equipment & Medical Supplies
  • Portage, WI
  • NPI 1427085679
  NPD
• Monmouth Family Health Center, Inc

  • Federally Qualified Health Center (FQHC)
  • Long Branch, NJ
  • NPI 1073558391
  NPD (past)
• Women's Physicians & Surgeons, PA

  • Obstetrics & Gynecology Physician
  • Freehold, NJ
  • NPI 1518976596
  NPD (past)

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

{
    "created_epoch": "1152921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754524800000",
    "number": "1548286164",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 22581",
            "city": "NEW YORK",
            "state": "NY",
            "postal_code": "100872581",
            "telephone_number": "856-669-6050",
            "fax_number": "856-651-0794"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 IRONBRIDGE RD",
            "address_2": "STE 10",
            "city": "FREEHOLD",
            "state": "NJ",
            "postal_code": "07728",
            "telephone_number": "732-431-2999",
            "fax_number": "732-431-2993"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3400 E Racine St",
            "address_purpose": "LOCATION",
            "city": "Janesville",
            "state": "WI",
            "postal_code": "535462344",
            "country_code": "US",
            "telephone_number": "608-373-8000",
            "fax_number": "608-371-8928",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "433 E 8th St",
            "address_purpose": "LOCATION",
            "city": "Port Angeles",
            "state": "WA",
            "postal_code": "983626219",
            "country_code": "US",
            "telephone_number": "360-565-0999",
            "fax_number": "360-565-0591",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KIRWIN",
        "first_name": "MICHAEL",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-15",
        "last_updated": "2025-08-07",
        "certification_date": "2025-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WI",
            "license": "4865-320",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "NJ",
            "license": "62235",
            "primary": true
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "WA",
            "license": "MD70021880",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7141904",
            "state": "NJ"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1548286164",
            "state": "WI"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "michael.kirwin@axia.eclinicaldirectplus.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "501 Ironbridge Rd",
            "address_2": "Ste 10",
            "city": "Freehold",
            "state": "NJ",
            "country_code": "US",
            "postal_code": "07728",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://fhir.ssmhc.com/fhir/api/FHIR/DSTU2/",
            "affiliation": "N",
            "use": "OTHER",
            "useDescription": "Other",
            "useOtherDescription": "FHIR API",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCD",
            "address_1": "3400 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462344",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mkirwin521619@direct-ehr-ssmhc.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "mkirwin521619@direct-ehr-ssmhc.com",
            "address_1": "3400 E Racine St",
            "city": "Janesville",
            "state": "WI",
            "country_code": "US",
            "postal_code": "535462344",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Robert Gisub Kim, MD
• Sahrip Kim, D.D.S.
• Cynthia Lynn Kinsella
• Alexander Kirshenbaum, MD
• Danielle Kirstein, LCSW
• Jean Klein Taylor, P.T.
• Alyssa Kleinman
• Gabrielle Klimowicz
• William Kohlberg, M.D.
• Jeanne Marie Koller, L.C.S.W.

• Obstetrics & Gynecology Physician in Freehold, NJ
• Providers in Freehold, NJ by specialty
• Obstetrics & Gynecology Physician in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.