Individual provider Active NPI

Michael Anthony Perrin, MD, MPH

  • Internal Medicine Physician
  • New Haven, CT
National Provider Identifier
1821675232
Registry record updated Jul 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
85445 Issued in CT
Practice address
20 York St
New Haven, CT 06510-3220
Phone
(203) 688-4242
NPI assigned
Mar 24, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 7, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X V7618 TX
Internal Medicine Physician 207R00000X 85445 CT Primary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X V7618 TX
Pediatrics Physician 208000000X V7618 TX

Addresses

Primary practice location

20 York St
New Haven, CT 06510-3220

Mailing address

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
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

Enrollment IDStateProvider typePAC IDDetails
I20250611003017 TX Practitioner - Internal MedicinePractitioner - Pediatric MedicinePractitioner - Hospitalist 9234649864 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
V7618TXMDHospitalist Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Baylor College of Medicine Multi-Specialty CurrentSince Jun 26, 2025 Accepting new patients
Texas Children'S Physician Group Multi-Specialty CurrentSince Jun 6, 2025 Accepting new patients
Baylor College of Medicine Multi-Specialty CurrentSince Jun 26, 2025 Accepting new patients

Locations

1 Baylor Plz
#320
Houston, TX 77030
Phone (832) 824-1170

6701 Fannin St
Houston, TX 77030
Phone (832) 822-1764

1504 Taub Loop
Houston, TX 77030
Phone (713) 873-2860

6621 Fannin St
Houston, TX 77030
Phone (832) 824-1866

1 Baylor Plz
#2
Houston, TX 77030

6651 Main St
Va Hospital, TX 77030
Phone (832) 826-3000

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1616544000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1821675232",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PERRIN",
        "first_name": "MICHAEL",
        "middle_name": "ANTHONY",
        "name_prefix": "Dr.",
        "credential": "MD, MPH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-24",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "TX",
            "license": "V7618",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CT",
            "license": "85445",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "V7618",
            "primary": false
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "TX",
            "license": "V7618",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.