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DR. NAOMI WORTIS MD
NPI 1346377330
Family Medicine in San Francisco, CA

Active since February 27, 2007PECOS Enrolled
1525 SILVER AVE, SILVER AVENUE FAMILY HEALTH CENTER, SAN FRANCISCO, CA 94134(415) 657-1749(415) 467-3320 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Naomi Wortis Md NPPES

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

DR. NAOMI WORTIS MD (NPI 1346377330) is an individual family medicine provider in San Francisco, California, licensed in California (A55831) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346377330
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. NAOMI WORTISCredential: MD
Location Address1525 SILVER AVE, SILVER AVENUE FAMILY HEALTH CENTERSan Francisco, CA 94134-1229
Mailing Address1525 Silver Ave, Silver Avenue Family Health CenterSan Francisco, CA 94134-1229 · (415) 657-1749 · Fax (415) 467-3320
Phone(415) 657-1749
Fax(415) 467-3320
Sole ProprietorNo
Enumeration DateFebruary 27, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1346377330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A55831
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1525 SILVER AVE, San Francisco, CA 94134
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Other Identifiers 2

Other038331Sfgh Internal Use Only-commercial Number
Medicare UPINH75532

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Naomi Wortis 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.

Medicare Billing Reassignments

2

Medicare enrollment records show Naomi Wortis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

City & County Of San Francisco
Same address
Primary Care
1525 SILVER AVENUE
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
NPI 1477593259 (415) 715-0310
University Of California Sfgh Medical Group
1.6 mi
Family Medicine
1001 POTRERO AVE, BLDG 80 WARD 83 RM 320
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 842 clinicians in this Medicare group
NPI 1174598296 (628) 206-8610

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 94134 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
9 suppliers16 claims42 services$6.07 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

MRS. PAM C SUNG PHN
Registered Nurse (Community Health)
1525 SILVER AVE
SAN FRANCISCO, CA 94134
San Francisco County (415) 657-1767
MS. VANESSA SOTELO
Counselor
1525 SILVER AVE
SAN FRANCISCO, CA 94134
San Francisco County (415) 657-1704
DR. SARA A. WOOLF MD
Family Medicine
1525 SILVER AVE, SILVER AVENUE FAMILY HEALTH CENTER
SAN FRANCISCO, CA 94134
San Francisco County (415) 657-1756
DR. ADRIENNE M. KANE MD
Family Medicine
1525 SILVER AVE, SILVER AVENUE FAMILY HEALTH CENTER
SAN FRANCISCO, CA 94134
San Francisco County (415) 657-1700
MS. SUSAN CAROL KUYPER LCSW
Social Worker (Clinical)
1525 SILVER AVE
SAN FRANCISCO, CA 94134
San Francisco County (415) 337-2403
STEPHANIE IRENE STONER RN
Registered Nurse (Case Management)
1525 SILVER AVE
SAN FRANCISCO, CA 94134
San Francisco County (415) 657-1762
SHIRLEY CHEN
Counselor (Professional)
1525 SILVER AVE
SAN FRANCISCO, CA 94134
San Francisco County (415) 657-1770
CITY & COUNTY OF SAN FRANCISCO
Clinic/Center (Family Planning, Non-Surgical)
1525 SILVER AVE
SAN FRANCISCO, CA 94134
San Francisco County (415) 715-0310

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 Naomi Wortis's NPI number?

The NPI number for Naomi Wortis is 1346377330. It was assigned to this individual provider in the NPPES registry on February 27, 2007.

Where is Naomi Wortis located?

Naomi Wortis practices at 1525 Silver Ave Silver Avenue Family Health Center, San Francisco, CA 94134. The listed phone number is (415) 657-1749.

What is Naomi Wortis's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Naomi Wortis enrolled in Medicare?

Yes. Naomi Wortis is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Naomi Wortis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Naomi Wortis reassigns Medicare benefits to 2 organizations: City & County Of San Francisco (San Francisco, CA) and University Of California Sfgh Medical Group (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 Naomi Wortis'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 Naomi Wortis was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.