NPPES file of Aug 9, 2026

David S. Namazy, M.D.

Nephrology Physician · San Diego, CA

David S. Namazy, M.D. is a nephrology physician with a practice address in San Diego, California, and NPI 1477558013, issued on Jun 20, 2005. Check the license (California A74630, 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
1477558013
Name
David S. Namazy
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License number
A74630 CA
Self-reported in NPPES; status is on the state search
Practice location
6402 EL Cajon Blvd Ste 100, San Diego, CA 92115
Phone
(619) 582-4490
Enumerated
Jun 20, 2005
Record last updated
Aug 7, 2026
Fax
(619) 582-4737
Medicare enrollment
Enrolled (PECOS I20041025000878); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At Houston, 1995
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 6402 EL Cajon Blvd Ste 100

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

  1. Terry Behrend, M.D.Nephrology Physician1790780484

Verify David S. Namazy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A74630
    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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98% fewer Medicare Part D claims than the average nephrology physician in 2024

35 Medicare Part D claims for 22 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.

  1. David Namazy35
  2. Specialty average1,465

Most prescribed

  1. Prednisone26 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.

Industry payments in 2024: $236.25

3 payments; by number, the most common kind was food and beverage; the largest payer was Genentech, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Namazy$236.25
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Balboa Nephrology Medical Group IncSan Diego, CA
  2. Emergency And Acute Care Medical CorporationSan Diego, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David S. Namazy among 1,468 nephrology physician records in California

David S. Namazy, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated1995 · median 2001 among the 1,128 with a school on file
  • Record last updated2026 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nephrology Physician providers in California

There are 1,468 nephrology physician records in California.

The 8 nephrology physician records with the nearest ZIP codes

  1. Terry Behrend, M.D.San Diego, CA 921151790780484
  2. Charles Le, M.D.San Diego, CA 921151821243759
  3. Oday Saeed, M.D.San Diego, CA 921151639432164
  4. Jay Channick, M.D.Coronado, CA 921181083912869
  5. Hasan Almohsen, MDSan Diego, CA 921201225666704
  6. Michael Chau, D.O.San Diego, CA 921201588036719
  7. Lo-Ping Chen, MDSan Diego, CA 921201932258290
  8. Patrick Fong, MDSan Diego, CA 921201508925181

Common questions

What is David S. Namazy, M.D.'s NPI number?

David S. Namazy, M.D.'s National Provider Identifier (NPI) is 1477558013, issued on Jun 20, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David S. Namazy, M.D. located?

The NPPES record lists a practice address at 6402 EL Cajon Blvd Ste 100, San Diego, CA, 92115. Phone: (619) 582-4490. Providers update this record themselves, so call before visiting.

How can I verify David S. Namazy, M.D.'s license?

NPPES lists California license number A74630, 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 David S. Namazy, M.D. prescribe under Medicare Part D?

In 2024, David S. Namazy, M.D. had 35 Medicare Part D claims for 22 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.