DR. TOMAS DOLF ZILLMANN
NPI 1295888253
Pediatrics in San Francisco, CA

Q: What is Tomas Zillmann's NPI number?

The NPI number for Tomas Zillmann is 1295888253. It was assigned to this individual provider in the NPPES registry on January 20, 2007.

Q: What is Tomas Zillmann's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Tomas Zillmann was last updated on October 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 20, 2007PECOS Enrolled

350 RHODE ISLAND ST STE 200, SAN FRANCISCO, CA 94103(415) 600-6240(415) 366-7574 Get Directions Write a Review

NPPES record last updated: October 7, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. Tomas Dolf Zillmann NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. TOMAS DOLF ZILLMANN (NPI 1295888253) is an individual pediatrics provider in San Francisco, California, licensed in California (G86306) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1990).

NPPES Registry Identity

NPI1295888253

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. TOMAS DOLF ZILLMANN

Location Address350 RHODE ISLAND ST STE 200San Francisco, CA 94103-5188

Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (415) 600-6240 · Fax (415) 366-7574

Phone(415) 600-6240

Fax(415) 366-7574

Sole ProprietorYes

Medical School CMSIndiana University School Of MedicineGraduated 1990

Enumeration DateJanuary 20, 2007

Last NPPES UpdateOctober 7, 2025

NPPES CertifiedOctober 7, 2025

✔ NPI 1295888253 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · G86306

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

350 RHODE ISLAND ST STE 200, San Francisco, CA 94103

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tomas Dolf Zillmann is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628241890

PECOS Enrollment IDI20251006002675

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Tomas Zillmann reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sutter Bay Medical Foundation

14 mi

Multi-Specialty

12 CAMINO ENCINAS
Orinda, CA 94563

Reassigned Medicare billing, California enrollment
4,479 clinicians in this Medicare group

NPI 1366898538 (510) 204-8180

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$104.51 typical visit price

range $69.00 – $202.35

Typical copayment $26.12 (range $17.25 – $50.58)

Most-billed visit code 99203

Established Patient

$119.48 typical visit price

range $23.44 – $166.46

Typical copayment $29.87 (range $5.86 – $41.61)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNA J GUTIERREZ FNP-BC

Nurse Practitioner (Family)