Individual provider Active NPI

Timothy Gordon Dyster, MD

  • Internal Medicine Physician
  • San Francisco, CA
National Provider Identifier
1083145692
Registry record updated May 7, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A161656 Issued in CA
Practice address
505 Parnassus Ave
San Francisco, CA 94143-2204
Phone
(415) 514-4764
NPI assigned
Mar 24, 2017
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 7, 2024

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 A161656 CA Primary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X A161656 CA
Pulmonary Disease Physician 207RP1001X A161656 CA

Addresses

Primary practice location

505 Parnassus Ave
San Francisco, CA 94143-2204

Mailing address

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 514-4764

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
I20240812001331 CA Practitioner - Pulmonary DiseasePractitioner - Internal MedicinePractitioner - Hospitalist 1557783495 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Hospitalist, Internal Medicine
Education
Columbia University College of Physicians and Surgeons, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University of California SFGH Medical GroupGroup PAC ID 5496668410, 566 clinicians
UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians
University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians
University Anesthesia Medical GroupGroup PAC ID 2769370535, 402 clinicians
Regents of the University of CaliforniaGroup PAC ID 4284547274, 706 clinicians

Practice addresses (Care Compare)

1001 Potrero Ave
San Francisco, CA 94110-3518

225 California Dr
Burlingame, CA 94010-4145
Phone (650) 341-9131

2330 Post St
San Francisco, CA 94115-3465
Phone (415) 476-4029

3100 San Pablo Ave
Berkeley, CA 94702-2498
Phone (510) 985-5020

400 Parnassus Ave
San Francisco, CA 94143-2202

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

  • UCSF Medical Center Hospital, San Francisco, CA, CCN 050454
  • Zuckerberg San Francisco General Hosp & Trauma Ctr Hospital, San Francisco, CA, CCN 050228
  • Alta Bates Summit Medical Center - Alta Bates Camp Hospital, Berkeley, CA, CCN 050305
  • John Muir Medical Center - Walnut Creek Campus Hospital, Walnut Creek, CA, CCN 050180

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as group
Quality
95
Improvement activities
40
Cost
80.65

Merit-based Incentive Payment System (MIPS)

Final score
84.89 of 100Reported as group
Quality
81.13
Improvement activities
40
Cost
71.5

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
A161656CAMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
City & County of San Francisco CurrentSince Jul 23, 2024 Accepting new patients
University of California SFGH Medical Group Pulmonary Disease CurrentSince Jul 26, 2024 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
City & County of San Francisco Current Accepting new patients
University Anesthesia Medical Group CurrentSince Mar 8, 2025 Accepting new patients
University of California SFGH Medical Group CurrentSince Jul 26, 2024 Accepting new patients
City and County of San Francisco CurrentSince Jul 23, 2024 Accepting new patients
University of California SFGH Medical Group CurrentSince Dec 23, 2025 Accepting new patients
University of California San Francisco Current Accepting new patients
Regents of the University of California Past Accepting new patients
University of California San Francisco Past Accepting new patients

Locations

1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

400 Parnassus Ave
Fl A6114
San Francisco, CA 94143

1001 Potrero Ave
Rm 5H22
San Francisco, CA 94110
Phone (628) 206-4774

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

400 Parnassus Ave
Fl 6
San Francisco, CA 94143
Phone (415) 353-2200

1001 Potrero Ave
Rm 5K1
San Francisco, CA 94110
Phone (415) 206-8314

400 Parnassus Ave
Fl 6A6114
San Francisco, CA 94143

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

2001 The Embarcadero
Ofc Of
San Francisco, CA 94143
Phone (628) 224-5503

Organizations & group practices 14

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.

View all 14

Hospital & facility affiliations 5

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1490313600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1715040000000",
    "number": "1083145692",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-514-4764"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-514-4764"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DYSTER",
        "first_name": "TIMOTHY",
        "middle_name": "GORDON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-03-24",
        "last_updated": "2024-05-07",
        "certification_date": "2024-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A161656",
            "primary": true
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A161656",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A161656",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.