Beatriz Tamayo, MD
Internal Medicine Physician · Los Angeles, CA
Beatriz Tamayo, MD is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1144396383, issued on Nov 28, 2006. Check the license (California A74662, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Beatriz Tamayo
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A74662 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1127 Wilshire Blvd Ste 202, Los Angeles, CA 90017
- Phone
- (213) 250-0050
- Enumerated
- Nov 28, 2006
- Record last updated
- Mar 25, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (213) 250-0150
- Medicaid ID
- 00A746620 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Beatriz Tamayo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A74662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average internal medicine physician in 2024
6,946 Medicare Part D claims for 373 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium718 claims
- Losartan Potassium293 claims
- Levothyroxine Sodium287 claims
- Metformin Hcl284 claims
- Amlodipine Besylate274 claims
- Omeprazole215 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.
Beatriz Tamayo among 17,696 internal medicine physician records in California
Beatriz Tamayo, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2014 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Soo Chong, M.D.Los Angeles, CA 900171932206836
- Soha Dolatabadi, M.D.Los Angeles, CA 900171992806277
- Glenn Hatfield, M.D.Los Angeles, CA 900171144291535
- Alexis Hoen, MDLos Angeles, CA 900171043281926
- William Howell, M.D.Los Angeles, CA 900171518999143
- Terry Jerge, M.D.Los Angeles, CA 900171396717591
- Thomas Kanegae, M.D.Los Angeles, CA 900171902805914
- Ashraf Khan, MDLos Angeles, CA 900171134119894
Common questions
What is Beatriz Tamayo, MD's NPI number?
Beatriz Tamayo, MD's National Provider Identifier (NPI) is 1144396383, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Beatriz Tamayo, MD located?
The NPPES record lists a practice address at 1127 Wilshire Blvd Ste 202, Los Angeles, CA, 90017. Phone: (213) 250-0050. Providers update this record themselves, so call before visiting.
How can I verify Beatriz Tamayo, MD's license?
NPPES lists California license number A74662, 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 Beatriz Tamayo, MD prescribe under Medicare Part D?
In 2024, Beatriz Tamayo, MD had 6,946 Medicare Part D claims for 373 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.