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HAKAN CAKMAK M.D.
NPI 1861676827
Obstetrics & Gynecology - Reproductive Endocrinology in San Francisco, CA

Active since December 26, 2007PECOS Enrolled
2356 SUTTER ST, UCSF CENTER FOR REPRODUCTIVE HEALTH, 7TH FLOOR, SAN FRANCISCO, CA 94115(415) 353-7475(415) 353-7744 Get Directions Write a Review

NPPES record last updated: February 4, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Hakan Cakmak M.d. NPPES

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

HAKAN CAKMAK M.D. (NPI 1861676827) is an individual reproductive endocrinology provider in San Francisco, California, licensed in California (A116910) and active in the NPI registry since December 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861676827
Entity TypeIndividualMale
Primary Taxonomy207VE0102X
Provider Legal NameHAKAN CAKMAKCredential: M.D.
Location Address2356 SUTTER ST, UCSF CENTER FOR REPRODUCTIVE HEALTH, 7TH FLOORSan Francisco, CA 94115-3006
Mailing Address2356 Sutter St, Ucsf Center For Reproductive Health, 7th FloorSan Francisco, CA 94115-3006 · (415) 353-7475 · Fax (415) 353-7744
Phone(415) 353-7475
Fax(415) 353-7744
Sole ProprietorNo
Enumeration DateDecember 26, 2007
Last NPPES UpdateFebruary 4, 2026
NPPES CertifiedFebruary 4, 2026
✔ NPI 1861676827 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & Gynecology · Reproductive EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code207VE0102X
License✔ Licensed in CA · A116910
Definition
An obstetrician/gynecologist who is capable of managing complex problems relating to reproductive endocrinology and infertility.
2356 SUTTER ST, San Francisco, CA 94115
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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)

Hakan Cakmak M.d. 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 Hakan Cakmak 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
1.8 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
1.8 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
University Of California Sfgh Medical Group
2.8 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 94115 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
$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.

DR. A. EUGENE WASHINGTON M.D.
Preventive Medicine (Public Health & General Preventive Medicine)
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-7788
DR. DEBORAH DIONE KAMALI M.D.
Obstetrics & Gynecology
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-7788
DR. NERYS C BENFIELD MD
Obstetrics & Gynecology
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-7788
KATHRYN FAY MD
Obstetrics & Gynecology
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-3400
DR. HEATHER G. HUDDLESTON M.D.
Obstetrics & Gynecology
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 353-3063
SIRUI LIU MD
Family Medicine
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-7788
MS. EVELYN N. HANSON NP
Nurse Practitioner
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (415) 885-7788
DR. CAROLINE M CASTILLO M.D.
Family Medicine
2356 SUTTER ST
SAN FRANCISCO, CA 94115
San Francisco County (158) 857-7884

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 Hakan Cakmak's NPI number?

The NPI number for Hakan Cakmak is 1861676827. It was assigned to this individual provider in the NPPES registry on December 26, 2007.

Where is Hakan Cakmak located?

Hakan Cakmak practices at 2356 Sutter St Ucsf Center For Reproductive Health, 7th Floor, San Francisco, CA 94115. The listed phone number is (415) 353-7475.

What is Hakan Cakmak's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Reproductive Endocrinology, with taxonomy code 207VE0102X.

Is Hakan Cakmak enrolled in Medicare?

Yes. Hakan Cakmak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Hakan Cakmak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hakan Cakmak reassigns Medicare benefits to 3 organizations: University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (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 Hakan Cakmak'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 Hakan Cakmak was last updated on February 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.