Active NPI
Matthew Alexander Spinelli, M.D.
- Internal Medicine Physician
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A134550
- Practice address
- 2540 23Rd St
San Francisco, CA 94143-2500 - Phone
- (415) 206-8000
- NPI assigned
- Mar 19, 2013
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A134550 | CA | Primary |
| Infectious Disease Physician | 207RI0200X | A134550 | CA |
Addresses
Primary practice location
2540 23Rd St
San Francisco, CA 94143-2500
Mailing address
2540 23Rd St
San Francisco, CA 94143-2500
Phone (628) 206-2400
Other practice location 1
1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (628) 206-8000
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
Care Compare profile
Medicare Care Compare- Specialty
- Infectious Disease
- Education
- Icahn School of Medicine at Mount Sinai, 2013
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- University of California SFGH Medical Group
Practice addresses (Care Compare)
1001 Potrero Ave
San Francisco, CA 94110-3518
995 Potrero Ave
San Francisco, CA 94110-2859
Phone (628) 206-2403
Hospital & facility affiliations
- Zuckerberg San Francisco General Hosp & Trauma Ctr
Merit-based Incentive Payment System (MIPS)
- Final score
- 97.28 of 100
- Quality
- 89.92
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 78.23
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A134550 | CA | MD | Infectious Disease Physician |
Practice roles
Locations
400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000
995 Potrero Ave
Fl 6
San Francisco, CA 94110
Phone (415) 502-6285
2540 23rd St
San Francisco, CA 94143
Phone (415) 206-8000
995 Potrero Ave
#86
San Francisco, CA 94110
Phone (415) 476-4082
1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774
1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305
1001 Potrero Ave
Bldg 30
San Francisco, CA 94110
Phone (415) 206-5438
1001 Potrero Ave
#1M3
San Francisco, CA 94110
Phone (415) 206-8494
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
1001 Potrero Ave
Bldg 80
San Francisco, CA 94110
Phone (628) 206-8610
2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444
995 Potrero Ave
Bldg 80
San Francisco, CA 94110
Phone (415) 206-8611
Organizations & group practices 18
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
- San Francisco, CA
- NPI 1760552343
CA, Internal Medicine
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1477624104
CA, Internal Medicine
-
- Otolaryngology Physician
- San Francisco, CA
- NPI 1154396208
CA
-
- Hematology (Internal Medicine) Physician
- San Francisco, CA
- NPI 1326013442
CA
-
- Infectious Disease Physician
- San Francisco, CA
- NPI 1366417933
CA, Infectious Disease
-
- Community Health/Public Health Clinical Nurse Specialist
- San Francisco, CA
- NPI 1609041060
-
- Methadone Clinic
- San Francisco, CA
- NPI 1578787925
-
- Health Service Clinic/Center
- San Francisco, CA
- NPI 1194115246
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1164512851
Internal Medicine
-
- Community/Retail Pharmacy
- San Francisco, CA
- NPI 1659141711
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- San Francisco, CA
- NPI 1083648810
Hospital
-
- General Acute Care Hospital
- San Francisco, CA
- NPI 1164609962
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1363651200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777334400000",
"number": "1386986263",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2540 23RD ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432500",
"telephone_number": "628-206-2400"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2540 23RD ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941432500",
"telephone_number": "415-206-8000"
}
],
"practiceLocations": [
{
"address_1": "1001 Potrero Ave",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941103518",
"country_code": "US",
"telephone_number": "628-206-8000",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SPINELLI",
"first_name": "MATTHEW",
"middle_name": "ALEXANDER",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2013-03-19",
"last_updated": "2026-04-28",
"certification_date": "2026-04-28",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A134550",
"primary": true
},
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "CA",
"license": "A134550",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Francisco, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 28, 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.