Active NPI
Michael T Duffy, M.D.
- Specialist
- Beverly Hills, CA
National Provider Identifier
1689635328
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- License
- G59599
- Practice address
- 9400 Brighton Way
Suite 201
Beverly Hills, CA 90210-4714 - Phone
- (310) 271-6229
- Fax
- (310) 271-9139
- NPI assigned
- Mar 31, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Specialist | 174400000X | G59599 | CA | Primary |
Addresses
Primary practice location
9400 Brighton Way
Suite 201
Beverly Hills, CA 90210-4714
Mailing address
99 N la Cienega Blvd
Suite 103
Beverly Hills, CA 90211-2222
Phone (310) 623-1146
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G595992 | Medicaid | CA |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20040929000205 | CA | Practitioner - Internal Medicine | 8729057740 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- University of Minnesota Medical School, 1985
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
8920 Wilshire Blvd
Suite 310
Beverly Hills, CA 90211-2003
Phone (310) 271-6229
Hospital & facility affiliations
- Metropolitan Home Health
- Cedars-Sinai Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 75 of 100
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Interoperability endpoints
- michaelduffy.366.1@securemailmdscloud.mdsynergy.com
Organizations & group practices 1
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.
-
- Internal Medicine Physician
- Beverly Hills, CA
- NPI 1477958122
CA
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Valley Village, CA
- NPI 1912989005
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143763200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1689635328",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "99 N LA CIENEGA BLVD",
"address_2": "SUITE 103",
"city": "BEVERLY HILLS",
"state": "CA",
"postal_code": "902112222",
"telephone_number": "310-623-1146",
"fax_number": "310-623-1142"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "9400 BRIGHTON WAY",
"address_2": "SUITE 201",
"city": "BEVERLY HILLS",
"state": "CA",
"postal_code": "902104714",
"telephone_number": "310-271-6229",
"fax_number": "310-271-9139"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DUFFY",
"first_name": "MICHAEL",
"middle_name": "T",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-31",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "CA",
"license": "G59599",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00G595992",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Beverly Hills, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.