Individual provider Active NPI

Jonas Zajac Hines, M.D.

  • Internal Medicine Physician
  • New York, NY
National Provider Identifier
1881919199
Registry record updated Jan 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
340691 Issued in NY
Practice address
462 1St Ave
New York, NY 10016-9196
Phone
(212) 562-4141
NPI assigned
Mar 30, 2010
Last updated
Jan 9, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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 Former name

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20130529000094 CA Practitioner - Internal Medicine 0840438172 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
97.28 of 100Reported as group
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

LicenseStateTypeSpecialty
117806CAMDInternal Medicine Physician
78956GAMDInternal Medicine Physician
340691NYMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of California SFGH Medical Group CurrentSince Mar 9, 2022 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 CurrentSince Apr 26, 2022 Accepting new patients
University of California SFGH Medical Group CurrentSince Mar 9, 2022 Accepting new patients
University of California SFGH Medical Group Internal Medicine CurrentSince Mar 9, 2022 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.

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

Verify at the official NPI Registry.