NPPES file of Aug 9, 2026

Arline S. Yen, M.D.

Endocrinology, Diabetes & Metabolism Physician · Bakersfield, CA

Arline S. Yen, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Bakersfield, California, and NPI 1841540564, issued on Sep 11, 2012. Check the license (California A49453, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841540564
Name
Arline S. Yen
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A49453 CA
Self-reported in NPPES; status is on the state search
Practice location
4900 California Avenue, Bakersfield, CA 93309
Phone
(617) 505-1520
Enumerated
Sep 11, 2012
Record last updated
Mar 20, 2026
Fax
(617) 928-8401
Medicare enrollment
Enrolled (PECOS I20130823000934); may accept Medicare assignment
Medical or professional school
University Of Texas Southwestern Medical School At Dallas, 1989
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 4900 California Avenue

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

  1. Shelley Anderson, NPFamily Nurse Practitioner1457812299
  2. Heidi Bohlmann, APRN, FNP-BCFamily Nurse Practitioner1457388464
  3. Doris Delgado, RD/RDNRenal Nutrition Registered Dietitian1407212046
  4. Yukiko Ito, PA-CPhysician Assistant1407280209
  5. Lauren LemieuxInternal Medicine Physician1912393463
  6. Clara Lyashevsky, DOFamily Medicine Physician1962922690

Verify Arline S. Yen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A49453
    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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100% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

12 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.

  1. Arline Yen12
  2. Specialty average2,630

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.

The practice group's MIPS final score for 2023 (Medicare payment program): 83.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score96.6
  2. Costout of 100 · 30%49.1
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Form Health Associates PCBakersfield, CA

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

Arline S. Yen among 1,131 endocrinology, diabetes & metabolism physician records in California

Arline S. Yen, M.D. is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.

  • NPI issued2012 · 74% of these records are older, 23% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1989 · median 2003 among the 779 with a school on file
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endocrinology, Diabetes & Metabolism Physician providers in California

There are 1,131 endocrinology, diabetes & metabolism physician records in California.

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Ronakkumar Patel, M.DBakersfield, CA 933091841615036
  2. Niyoti Reddy, M.D.Bakersfield, CA 933091407207731
  3. Htet Htet Win, M.D.Bakersfield, CA 933091538579073
  4. Jasleen Duggal, M.D.Bakersfield, CA 933111437332244
  5. Harshit Shah, M.DBakersfield, CA 933111043453079
  6. Sangeeta Chandramahanti, MD.Bakersfield, CA 933061740506138
  7. Roxanne Aquino, MDBakersfield, CA 933011437226370
  8. Robert Catania, M.D.Bakersfield, CA 933011376622787

Common questions

What is Arline S. Yen, M.D.'s NPI number?

Arline S. Yen, M.D.'s National Provider Identifier (NPI) is 1841540564, issued on Sep 11, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Arline S. Yen, M.D. located?

The NPPES record lists a practice address at 4900 California Avenue, Bakersfield, CA, 93309. Phone: (617) 505-1520. Providers update this record themselves, so call before visiting.

How can I verify Arline S. Yen, M.D.'s license?

NPPES lists California license number A49453, 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 Arline S. Yen, M.D. prescribe under Medicare Part D?

In 2024, Arline S. Yen, M.D. had 12 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Arline S. Yen, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.