Tomas Dolf Zillmann

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

G86306 Issued in CA

Practice address

350 Rhode Island St Ste 200
San Francisco, CA 94103-5188

Phone

(415) 600-6240

Fax

(415) 366-7574

NPI assigned

Jan 20, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

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

Specialty

Pediatric Medicine

Education

Indiana University School of Medicine, 1990

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tzillmannmd46144@hisp.ehr.sutterhealth.org

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.

• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Orinda, CA
  • NPI 1366898538
  NPD
• Sutter Bay Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD

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

{
    "created_epoch": "1169251200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759795200000",
    "number": "1295888253",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950",
            "telephone_number": "415-600-6240",
            "fax_number": "415-366-7574"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "350 RHODE ISLAND ST STE 200",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941035188",
            "telephone_number": "415-600-6240",
            "fax_number": "415-366-7574"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZILLMANN",
        "first_name": "TOMAS",
        "middle_name": "DOLF",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-20",
        "last_updated": "2025-10-07",
        "certification_date": "2025-10-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "G86306",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lita Maria Zigounakis I, REGISTERED NURSE
• Julie Zikherman, M.D.
• Bambi Yael Zilberstein-Twersky, MFT
• Charline Ziller, R.N.
• Paul Joseph Ziller, MA, LMFT
• Laura Ann Zima
• Adam Zimbardo
• Melissa Zimel, MD
• Darianne Zimmer
• Emily Zimmer

• Pediatrics Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Pediatrics Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 7, 2025; 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.

Verify at the official NPI Registry.