NPPES file of Aug 9, 2026

Bertan Deniz Cakir, MD

Ophthalmology Physician · Stanford, CA

Bertan Deniz Cakir, MD is an ophthalmology physician with a practice address in Stanford, California, and NPI 1477182871, issued on Apr 7, 2020. Check the license (California A196229, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477182871
Name
Bertan Deniz Cakir
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A196229 CA
Self-reported in NPPES; status is on the state search
Practice location
300 Pasteur Dr, Stanford, CA 94305
Phone
(650) 723-4000
Enumerated
Apr 7, 2020
Record last updated
Oct 10, 2024
Medicare enrollment
Enrolled (PECOS I20240625002304); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 300 Pasteur Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Cooper Aakhus, MDEmergency Medicine Physician1194351007
  2. Oliver Aalami, M.D.Vascular Surgery Physician1225229024
  3. Alistair Aaronson, MDInternal Medicine Physician1457628760
  4. Sumaira Aasi, MDMOHS-Micrographic Surgery Physician1780675181
  5. Fahim Abbasi, M.D.Internal Medicine Physician1841484037
  6. Mohamad Abbass, MDNeurological Surgery Physician1679492151

Verify Bertan Deniz Cakir in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A196229
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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94% fewer Medicare Part D claims than the average ophthalmology physician in 2024

94 Medicare Part D claims for 51 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.

  1. Bertan Cakir94
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate26 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital affiliation

  1. Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Bertan Deniz Cakir among 2,899 ophthalmology physician records in California

Bertan Deniz Cakir, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 94% of them.

  • NPI issued2020 · 94% of these records are older, 4% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2012 · median 2001 among the 1,907 with a school on file
  • Record last updated2024 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

53 ophthalmology physician records list a practice address in Stanford

They are 53 of the 5,606 NPPES records with a practice address in Stanford, and 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Mark Blumenkranz, M.D.Stanford, CA 943051114085636
  2. Clement Cheng, MDStanford, CA 943051629065826
  3. Jason Ehrlich, M.D., PH.D.Stanford, CA 943051447446752
  4. Ann Fisher, MDStanford, CA 943051861417636
  5. Henry Kistler, M.D., PH.D.Stanford, CA 943051508992108
  6. Vinit Mahajan, MD PHDStanford, CA 943051497784300
  7. Michael Marmor, M.D.Stanford, CA 943051225181662
  8. Artis Montague, MD, PHDStanford, CA 943051679680086

Common questions

What is Bertan Deniz Cakir, MD's NPI number?

Bertan Deniz Cakir, MD's National Provider Identifier (NPI) is 1477182871, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Bertan Deniz Cakir, MD located?

The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.

How can I verify Bertan Deniz Cakir, MD's license?

NPPES lists California license number A196229, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Bertan Deniz Cakir, MD prescribe under Medicare Part D?

In 2024, Bertan Deniz Cakir, MD had 94 Medicare Part D claims for 51 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.