DR. TONYA AHLBORN CHAFFEE MD
NPI 1437261591
Pediatrics in San Francisco, CA

Q: What is Tonya Chaffee's NPI number?

The NPI number for Tonya Chaffee is 1437261591. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Q: What is Tonya Chaffee'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 Tonya Chaffee was last updated on December 27, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since August 31, 2006PECOS Enrolled

1001 POTRERO AVE, MAIL STOP 6E, SAN FRANCISCO, CA 94110(415) 206-8361(415) 206-3686 Get Directions Write a Review

NPPES record last updated: December 27, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Tonya Ahlborn Chaffee Md NPPES

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

DR. TONYA AHLBORN CHAFFEE MD (NPI 1437261591) is an individual pediatrics provider in San Francisco, California, licensed in California (G77911) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437261591

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameDR. TONYA AHLBORN CHAFFEECredential: MD

Location Address1001 POTRERO AVE, MAIL STOP 6ESan Francisco, CA 94110-3518

Mailing Address1001 Potrero Ave, Mail Stop 6eSan Francisco, CA 94110-3518 · (415) 206-8361 · Fax (415) 206-3686

Phone(415) 206-8361

Fax(415) 206-3686

Sole ProprietorNo

Enumeration DateAugust 31, 2006

Last NPPES UpdateDecember 27, 2011

✔ NPI 1437261591 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · G77911

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.

Also ListedPediatrics · Adolescent MedicineTaxonomy 2080A0000X · License G77911 (CA)

1001 POTRERO AVE, San Francisco, CA 94110

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Other Identifiers 3

Medicare ID-Type Unspecified00G779112CA

Medicare UPING01951

Medicaid00G779112CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Tonya Ahlborn Chaffee Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94110 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.