NPPES file of Aug 9, 2026

Tamara Mansy, MD

Internal Medicine Physician · El Cajon, CA

Tamara Mansy, MD is an internal medicine physician with a practice address in El Cajon, California, and NPI 1396277737, issued on Apr 3, 2017. Check the license (California 164238, 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
1396277737
Name
Tamara Mansy
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
164238 CA
Self-reported in NPPES; status is on the state search
Practice location
875 EL Cajon Blvd, El Cajon, CA 92020
Phone
(619) 662-4100
Enumerated
Apr 3, 2017
Record last updated
Nov 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20201106001668); 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 875 EL Cajon Blvd

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

  1. Shahda AltaeeCommunity Health Worker1063199263
  2. Amanda AlyassPharmacist1528767571
  3. Luis AvelinoPhysical Therapy Assistant1194423368
  4. Alan Awdisho, D.O.Internal Medicine Physician1164795498
  5. Waseem BasheerGeneral Practice Dentistry1376155317
  6. Dorreen Danesh, MDHospice and Palliative Medicine (Internal Medicine) Physician1902432826

Verify Tamara Mansy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 164238
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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About as many Medicare Part D claims as the average internal medicine physician in 2024

3,161 Medicare Part D claims for 141 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Tamara Mansy3,161
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium356 claims
  2. Metformin Hcl195 claims
  3. Lisinopril163 claims
  4. Amlodipine Besylate134 claims
  5. Levothyroxine Sodium127 claims
  6. Gabapentin126 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.

Bills Medicare through one group practice

  1. Centro DE Salud DE LA Comunidad DE San Ysidro, Inc.Chula Vista, CA

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

Tamara Mansy among 17,696 internal medicine physician records in California

Tamara Mansy, MD is one of 17,696 internal medicine 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 2017, is newer than 81% of them.

  • NPI issued2017 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2006 · median 2004 among the 11,065 with a school on file
  • Record last updated2021 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 internal medicine physician records list a practice address in El Cajon

They are 26 of the 3,277 NPPES records with a practice address in El Cajon, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Ahmed Al Shawwaf, M.DEl Cajon, CA 920201619321098
  2. Alan Awdisho, D.O.El Cajon, CA 920201164795498
  3. Mai Duong, M.D.El Cajon, CA 920201629339304
  4. Sarah Elfeky, M.D.El Cajon, CA 920201760895510
  5. Randa Gorges, M.D.El Cajon, CA 920201285079509
  6. Misa Hidaka, M.DEl Cajon, CA 920201528085594
  7. Fereshteh Jahanpanah, MDEl Cajon, CA 920201518034115
  8. David Mansour, DOEl Cajon, CA 920201689164949

Common questions

What is Tamara Mansy, MD's NPI number?

Tamara Mansy, MD's National Provider Identifier (NPI) is 1396277737, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Tamara Mansy, MD located?

The NPPES record lists a practice address at 875 EL Cajon Blvd, El Cajon, CA, 92020. Phone: (619) 662-4100. Providers update this record themselves, so call before visiting.

How can I verify Tamara Mansy, MD's license?

NPPES lists California license number 164238, 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 Tamara Mansy, MD prescribe under Medicare Part D?

In 2024, Tamara Mansy, MD had 3,161 Medicare Part D claims for 141 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.