Active NPI
Jack McGregor, MD
- Infectious Disease Physician
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Infectious Disease Physician
- License
- A187041
- Practice address
- 1100 Van Ness Ave Ste 1005
San Francisco, CA 94109-6980 - Phone
- (415) 923-3883
- NPI assigned
- Mar 27, 2020
- 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 |
|---|---|---|---|---|
| Infectious Disease Physician | 207RI0200X | A187041 | CA | Primary |
| Internal Medicine Physician | 207R00000X | A187041 | CA |
Addresses
Primary practice location
1100 Van Ness Ave Ste 1005
San Francisco, CA 94109-6980
Mailing address
601 Van Ness Ave Ste E3619
San Francisco, CA 94102-3200
Phone (415) 531-9047
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
- Internal Medicine
- Education
- University of California, Geffen School of Medicine, 2020
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1001 Potrero Ave
San Francisco, CA 94110-3518
Phone (628) 206-4774
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 |
|---|---|---|---|
| A187041 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| University of California SFGH Medical Group | Current | Accepting new patients | |
| University of California SFGH Medical Group | Current | Accepting new patients | |
| University of California SFGH Medical Group | Current | Accepting new patients |
Locations
1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305
1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774
1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753
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.
-
- Otolaryngology Physician
- San Francisco, CA
- NPI 1154396208
-
- Vascular Surgery Physician
- San Francisco, CA
- NPI 1033913959
-
- Hospice and Palliative Medicine (Internal Medicine) Physician
- San Francisco, CA
- NPI 1073836060
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1585267200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1784073600000",
"number": "1053949974",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "601 VAN NESS AVE STE E3619",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941023200",
"telephone_number": "415-531-9047"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1100 VAN NESS AVE STE 1005",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941096980",
"telephone_number": "415-923-3883"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MCGREGOR",
"first_name": "JACK",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2020-03-27",
"last_updated": "2026-07-15",
"certification_date": "2026-07-15",
"status": "A"
},
"taxonomies": [
{
"code": "207RI0200X",
"taxonomy_group": "",
"desc": "Internal Medicine, Infectious Disease",
"state": "CA",
"license": "A187041",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A187041",
"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 Jul 15, 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.