Active NPI
Michael Anthony Perrin, MD, MPH
- Internal Medicine Physician
- New Haven, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 85445
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 208M00000X | V7618 | TX | |
| Internal Medicine Physician | 207R00000X | 85445 | CT | Primary |
| Internal Medicine Physician | 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
Enrollment records 1
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| V7618 | TX | MD | Hospitalist Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Baylor College of Medicine | Multi-Specialty | Current | Accepting new patients |
| Texas Children'S Physician Group | Multi-Specialty | Current | Accepting new patients |
| Baylor College of Medicine | Multi-Specialty | Current | 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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.