Louis D. May, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

153768 Issued in NY

Practice address

500 New Hempstead Rd
New City, NY 10956-1132

Phone

(845) 362-3200

Fax

(845) 362-4464

NPI assigned

Jun 9, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in NY, VT2 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

Gastroenterology

Education

University of Miami, LM Miller School of Medicine, 1978

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Gastrointestinal Care of Long Island PLLCGroup PAC ID 7517042211, 175 clinicians

Bon Secours Charity Health System Medical Group, P.C.Group PAC ID 1658262084, 157 clinicians

Copley Hospital IncGroup PAC ID 9234125766, shared by 2 NPIs, 61 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Good Samaritan Hospital of Suffern Hospital, Suffern, NY, CCN 330158
• Copley Hospital Hospital, Morrisville, VT, CCN 471305

Merit-based Incentive Payment System (MIPS)

Final score

24.66 of 100Reported as individual

Quality

0

Improvement activities

0

Cost

82.21

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Networks

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

Interoperability endpoints

• Direct secure messaging: louis.may.1@24721.direct.athenahealth.com
• Direct secure messaging: louis.may@giar.eclinicaldirectplus.com
• FHIR API: https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/

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.

• Bon Secours Charity Health System Medical Group, P.C.

  • Internal Medicine Physician
  • Warwick, NY
  • NPI 1487694345

  Gastroenterology

  Medicare reassignment Care Compare group NPD
• Gastrointestinal Care of Long Island PLLC

  • Gastroenterology Physician
  • Massapequa, NY
  • NPI 1265571863
  Medicare reassignment Care Compare group NPD
• Highland Medical P.C.

  • General Practice Physician
  • Nyack, NY
  • NPI 1376600304
  Medicare reassignment NPD
• Montefiore Nyack Hospital

  • Neurology Physician
  • Nyack, NY
  • NPI 1073881835
  Medicare reassignment NPD
• Copley Hospital, Inc.

  • Critical Access Hospital
  • Morrisville, VT
  • NPI 1568414365
  Medicare reassignment NPD
• Copley Hospital, Inc.

  • Critical Access Hospital
  • Morrisville, VT
  • NPI 1922029784
  Medicare reassignment NPD
• Montefiore Nyack Hospital

  • General Acute Care Hospital
  • Nyack, NY
  • NPI 1104808062
  NPD
• Copley Hospital Inc

  • Critical Access Hospital
  • Morrisville, VT
  • NPI 1588683544
  NPD
• Copley Hospital, Inc

  • Critical Access Hospital
  • Morrisville, VT
  • NPI 1225391014
  NPD
• Copley Hospital, Inc.

  • Anesthesiology Physician
  • Morrisville, VT
  • NPI 1295774842
  NPD
• Copley Hospital, Inc.

  • Orthopaedic Surgery Physician
  • Morrisville, VT
  • NPI 1376587634
  NPD

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

• Good Samaritan Hospital of Suffern

  • General Acute Care Hospital
  • Suffern, NY
  • NPI 1346213469
  Care Compare affiliation
• Copley Hospital, Inc.

  • Critical Access Hospital
  • Morrisville, VT
  • NPI 1568414365
  Care Compare affiliation

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

{
    "created_epoch": "1118275200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755648000000",
    "number": "1164426987",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "500 NEW HEMPSTEAD RD",
            "city": "NEW CITY",
            "state": "NY",
            "postal_code": "109561132",
            "telephone_number": "845-362-3200",
            "fax_number": "845-362-4464"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 NEW HEMPSTEAD RD",
            "city": "NEW CITY",
            "state": "NY",
            "postal_code": "109561132",
            "telephone_number": "845-362-3200",
            "fax_number": "845-362-4464"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "528 Washington Hwy",
            "address_purpose": "LOCATION",
            "city": "Morrisville",
            "state": "VT",
            "postal_code": "056618973",
            "country_code": "US",
            "telephone_number": "802-888-8888",
            "fax_number": "802-888-8131",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAY",
        "first_name": "LOUIS",
        "middle_name": "D.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-09",
        "last_updated": "2025-08-20",
        "certification_date": "2025-08-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "VT",
            "license": "042.0018332",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NY",
            "license": "153768",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6721057",
            "state": "VT"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00766087",
            "state": "NY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Asha Kochumon Mathew
• Benny K Mathew
• Donna R Mathew, LPN
• Jennifer Mathew
• Ashley Mathone, PHARMD, RPH
• Elena Maydan, M.D.
• Pam McAndrew
• Anna Marie McCarthy-Murray, FNP-BC
• Larry Andrew McCue, LCSW
• Donna L McDonald, COTA/L

• Gastroenterology Physician in New City, NY
• Providers in New City, NY by specialty
• Gastroenterology Physician in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 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.
• 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.