KATIE ANN KOWALEK M.D.
NPI 1376830497
Pediatrics in San Francisco, CA

Active since July 10, 2011PECOS Enrolled
1975 4TH ST, SAN FRANCISCO, CA 94143(415) 476-5153(415) 476-5354 Get Directions Write a Review

NPPES record last updated: January 15, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Katie Ann Kowalek M.d. NPPES

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

KATIE ANN KOWALEK M.D. (NPI 1376830497) is an individual pediatrics provider in San Francisco, California, licensed in Arizona (R72809) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, maintains a secondary practice location in Tucson, and is a graduate of University Of Arizona College Of Medicine - Phoenix (2011).

NPPES Registry Identity

NPI1376830497
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameKATIE ANN KOWALEKCredential: M.D.
Location Address1975 4TH STSan Francisco, CA 94143-2351
Mailing Address1501 N Campbell AveTucson, AZ 85724-0001 · (520) 626-6691
Fax(415) 476-5354
Sole ProprietorNo
Medical School CMSUniversity Of Arizona College Of Medicine - PhoenixGraduated 2011
Enumeration DateJuly 10, 2011
Last NPPES UpdateJanuary 15, 2026
NPPES CertifiedJanuary 15, 2026
✔ NPI 1376830497 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in AZ · R72809✔ Licensed in CA · A134860
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 · Pediatric Critical Care MedicineTaxonomy 2080P0203X · License A134860 (CA)
1975 4TH ST, San Francisco, CA 94143

Secondary Practice Location 1

Location 11501 N Campbell AveTucson, AZ 85724-0001 · Phone (520) 626-6691

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katie Ann Kowalek M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476773573
PECOS Enrollment IDI20260302000396
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 Reassignments

3

Medicare enrollment records show Katie Kowalek reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group

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 94143 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 20

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

Physical Therapist
1975 4TH ST
SAN FRANCISCO, CA 94143
Pediatrics
1975 4TH ST
SAN FRANCISCO, CA 94143
Anesthesiology
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Pediatrics)
1975 4TH ST
SAN FRANCISCO, CA 94143
Pharmacist (Pediatrics)
1975 4TH ST
SAN FRANCISCO, CA 94143
Social Worker (Clinical)
1975 4TH ST
SAN FRANCISCO, CA 94143
Pediatrics (Adolescent Medicine)
1975 4TH ST
SAN FRANCISCO, CA 94143
Nurse Practitioner (Neonatal)
1975 4TH ST
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Katie Kowalek's NPI number?

The NPI number for Katie Kowalek is 1376830497. It was assigned to this individual provider in the NPPES registry on July 10, 2011.

Where is Katie Kowalek located?

Katie Kowalek practices at 1975 4th St, San Francisco, CA 94143. The listed phone number is (415) 476-5153.

What is Katie Kowalek's specialty?

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

Is Katie Kowalek enrolled in Medicare?

Yes. Katie Kowalek is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Katie Kowalek's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katie Kowalek reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Katie Kowalek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katie Kowalek was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.