NPPES file of Aug 9, 2026

Ruth E. Montes, M.D

Family Medicine Physician · Los Angeles, CA

Ruth E. Montes, M.D is a family medicine physician with a practice address in Los Angeles, California, and NPI 1265886931, issued on Apr 19, 2016. Check the license (California B9586561, 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
1265886931
Name
Ruth E. Montes
Credential
M.D
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
B9586561 CA
Self-reported in NPPES; status is on the state search
Practice location
1400 S Grand Ave Ste 703, Los Angeles, CA 90015
Phone
(213) 741-1106
Enumerated
Apr 19, 2016
Record last updated
Nov 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(213) 741-1434
Medicare enrollment
Enrolled (PECOS I20191203001957); accepts Medicare assignment
Medical or professional school
University Of Southern California Keck School Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
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 1400 S Grand Ave Ste 703

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

  1. Jerry Abraham, MD, MPH, CMQGeneral Practice Physician1932514874
  2. Rozalin Kohan, D.O.Family Medicine Physician1255746145
  3. Younghoon Lee, PTAPhysical Therapy Assistant1558287300
  4. Kayvon Yadidi, D.O.Internal Medicine Physician1659452969

Verify Ruth E. Montes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license B9586561
    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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35% more Medicare Part D claims than the average family medicine physician in 2024

4,797 Medicare Part D claims for 549 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 156 claims were for opioids.

  1. Ruth Montes4,797
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium305 claims
  2. Amlodipine Besylate213 claims
  3. Levothyroxine Sodium203 claims
  4. Lisinopril185 claims
  5. Losartan Potassium181 claims
  6. Rosuvastatin Calcium151 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. Southern California Permanente Medical GroupSan Dimas, CA

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

Ruth E. Montes among 17,133 family medicine physician records in California

Ruth E. Montes, M.D is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 76% of them.

  • NPI issued2016 · 76% of these records are older, 21% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2015 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

829 family medicine physician records list a practice address in Los Angeles

They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Kami Adibi, M.D.Los Angeles, CA 900151548211436
  2. Armaity Austin, M.D, M.P.H, FAAFPLos Angeles, CA 900151558348946
  3. David Engel, MDLos Angeles, CA 900151790893220
  4. Drew Fenton, M.D.Los Angeles, CA 900151508837873
  5. Rosina Franco, M.D.Los Angeles, CA 900151528010964
  6. Todd Hang, D.O.Los Angeles, CA 900151790796738
  7. Gaila Kenneally, DOLos Angeles, CA 900151700831468
  8. Philip Kouros, M.D.Los Angeles, CA 900151972608677

Common questions

What is Ruth E. Montes, M.D's NPI number?

Ruth E. Montes, M.D's National Provider Identifier (NPI) is 1265886931, issued on Apr 19, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ruth E. Montes, M.D located?

The NPPES record lists a practice address at 1400 S Grand Ave Ste 703, Los Angeles, CA, 90015. Phone: (213) 741-1106. Providers update this record themselves, so call before visiting.

How can I verify Ruth E. Montes, M.D's license?

NPPES lists California license number B9586561, 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 Ruth E. Montes, M.D prescribe under Medicare Part D?

In 2024, Ruth E. Montes, M.D had 4,797 Medicare Part D claims for 549 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.