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DR. ZEYNEP CANAN KOC MD
NPI 1457844144
Obstetrics & Gynecology in San Francisco, CA

Active since June 07, 2018PECOS Enrolled
76.7/100
CMS Quality Rating
499 ILLINOIS ST, SAN FRANCISCO, CA 94158(415) 353-7475 Get Directions Write a Review

NPPES record last updated: March 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 20, 2026, Sep 1, 2022, May 18, 2022 (3 updates tracked since 2022).

About Dr. Zeynep Canan Koc Md NPPES

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

DR. ZEYNEP CANAN KOC MD (NPI 1457844144) is an individual obstetrics & gynecology provider in San Francisco, California, licensed in California (197044) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1457844144
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ZEYNEP CANAN KOCCredential: MD
Location Address499 ILLINOIS STSan Francisco, CA 94158-2518
Mailing Address499 Illinois St Fl 6San Francisco, CA 94158-2518 · (415) 353-7475
Phone(415) 353-7475
Sole ProprietorNo
Enumeration DateJune 7, 2018
Last NPPES UpdateMarch 20, 20263 updates tracked since enumeration
NPPES CertifiedMarch 20, 2026
✔ NPI 1457844144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in CA · 197044
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
499 ILLINOIS ST, San Francisco, CA 94158
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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. Zeynep Canan Koc 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

3

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

University Of California San Francisco
3.9 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
3.9 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808
Temple Faculty Practice Plan Inc
2,521 mi
Internal Medicine
3322 N BROAD ST
Philadelphia, PA 19140
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 1,991 clinicians in this Medicare group
NPI 1073095915 (215) 707-1800

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 94158 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

76.7/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality55.19
Promoting Interoperability98
Improvement Activities40
Cost54.93

Other Providers at the Same Location NPPES 7

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

BRIDGET ROCHIOS CNM, WHNP
Nurse Practitioner (Women's Health)
499 ILLINOIS ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
DR. EVELYN MOK-LIN M.D.
Obstetrics & Gynecology (Reproductive Endocrinology)
499 ILLINOIS ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
SAVANIE MAITHRIPALA MSC LCGC
Genetic Counselor, MS
499 ILLINOIS ST
SAN FRANCISCO, CA 94158
San Francisco County (312) 866-5602
MS. KAJAL VERMA
Obstetrics & Gynecology (Reproductive Endocrinology)
499 ILLINOIS ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
KATHARINE SEEGER NP
Nurse Practitioner (Women's Health)
499 ILLINOIS ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-7475
MAREN SHAPIRO EGER MD
Obstetrics & Gynecology
499 ILLINOIS ST
SAN FRANCISCO, CA 94158
San Francisco County (415) 353-3071
MR. RICHARD JASON SCOTT S. OKAMURA M.S.
Genetic Counselor, MS
499 ILLINOIS ST, 6TH FLOOR
SAN FRANCISCO, CA 94158
San Francisco County (415) 514-5849

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 Zeynep Koc's NPI number?

The NPI number for Zeynep Koc is 1457844144. It was assigned to this individual provider in the NPPES registry on June 7, 2018.

Where is Zeynep Koc located?

Zeynep Koc practices at 499 Illinois St, San Francisco, CA 94158. The listed phone number is (415) 353-7475.

What is Zeynep Koc's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Zeynep Koc enrolled in Medicare?

Yes. Zeynep Koc is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Zeynep Koc's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zeynep Koc reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Temple Faculty Practice Plan Inc (Philadelphia, PA). 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 Zeynep Koc'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 Zeynep Koc was last updated on March 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.