Active NPI
Jonas Zajac Hines, M.D.
- Internal Medicine Physician
- New York, NY
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- 340691
- Practice address
- 462 1St Ave
New York, NY 10016-9196 - Phone
- (212) 562-4141
- NPI assigned
- Mar 30, 2010
- Last updated
- Jan 9, 2026
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | 340691 | NY | Primary |
| Internal Medicine Physician | 207R00000X | 117806 | CA | |
| Internal Medicine Physician | 207R00000X | 78956 | GA |
Addresses
Primary practice location
462 1St Ave
New York, NY 10016-9196
Mailing address
462 1St Ave
New York, NY 10016-9196
Other practice location 1
1001 Potrero Ave Rm 5H22
San Francisco, CA 94110-3518
Phone (628) 206-4869
Other names 1
- Jonas Zajac Hines-Kay
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 CompareMerit-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 |
|---|---|---|---|
| 117806 | CA | MD | Internal Medicine Physician |
| 78956 | GA | MD | Internal Medicine Physician |
| 340691 | NY | MD | Family Nurse Practitioner |
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 | |
| City and County of San Francisco | Current | Accepting new patients | |
| University of California SFGH Medical Group | Current | Accepting new patients | |
| University of California SFGH Medical Group | Internal Medicine | Current | Accepting new patients |
| City & County of San Francisco | Current | Accepting new patients |
Locations
1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305
1001 Potrero Ave
Rm 5G1
San Francisco, CA 94110
Phone (628) 206-3503
1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774
1050 Wisconsin St
San Francisco, CA 94107
Phone (415) 648-3022
1301 Pierce St
San Francisco, CA 94115
Phone (415) 292-1300
1351 24th Ave
San Francisco, CA 94122
Phone (415) 682-1900
1490 Mason St
San Francisco, CA 94133
Phone (415) 364-7600
1525 Silver Ave
San Francisco, CA 94134
Phone (415) 657-1700
234 Eddy St
San Francisco, CA 94102
Phone (415) 353-5095
2401 Keith St
San Francisco, CA 94124
Phone (415) 671-7000
375 Laguna Honda Blvd
San Francisco, CA 94116
Phone (415) 759-2300
3850 17th St
San Francisco, CA 94114
Phone (415) 487-7500
50 Lech Walesa
San Francisco, CA 94102
Phone (415) 355-7400
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba San Francisco Public Health Laboratory
- Clinical Medical Laboratory
- San Francisco, CA
- NPI 1982737524
-
dba UCSF SFGH Medical Group Dept of Otolaryngology
- Otolaryngology Physician
- San Francisco, CA
- NPI 1154396208
-
dba UCSF SFGH Medical Group Dept of Cardiology
- Cardiovascular Disease Physician
- San Francisco, CA
- NPI 1386619344
-
dba DSAAM OTOP Methadone Maintenance
- Methadone Clinic
- San Francisco, CA
- NPI 1578787925
-
dba UCSF SFGH Medical Group Division of Vascular Surgery
- Vascular Surgery Physician
- San Francisco, CA
- NPI 1033913959
-
dba Department of Addiction Medicine
- Addiction Medicine (Internal Medicine) Physician
- San Francisco, CA
- NPI 1629550660
-
dba UCSF SFGH Medical Group, Geriatric Services
- Geriatric Medicine (Internal Medicine) Physician
- San Francisco, CA
- NPI 1659626257
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1269907200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767916800000",
"number": "1881919199",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "462 1ST AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100169196"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "462 1ST AVE",
"city": "NEW YORK",
"state": "NY",
"postal_code": "100169196",
"telephone_number": "212-562-4141"
}
],
"practiceLocations": [
{
"address_1": "1001 Potrero Ave Rm 5H22",
"address_purpose": "LOCATION",
"city": "San Francisco",
"state": "CA",
"postal_code": "941103518",
"country_code": "US",
"telephone_number": "628-206-4869",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "HINES",
"first_name": "JONAS",
"middle_name": "ZAJAC",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2010-03-30",
"last_updated": "2026-01-09",
"certification_date": "2026-01-09",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "NY",
"license": "340691",
"primary": true
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "117806",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "GA",
"license": "78956",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "JONAS",
"last_name": "HINES-KAY",
"middle_name": "ZAJAC",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in New York, NY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 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.