NPPES file of Aug 9, 2026

Jennifer Young Han, M.D.

Endocrinology, Diabetes & Metabolism Physician · Torrance, CA

Jennifer Young Han, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Torrance, California, and NPI 1982837456, issued on Aug 31, 2009. Check the license (California A108421, 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
1982837456
Name
Jennifer Young Han
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
A108421 CA
Self-reported in NPPES; status is on the state search
Practice location
3445 Pacific Coast Hwy Ste 100, Torrance, CA 90505
Phone
(310) 542-6333
Enumerated
Aug 31, 2009
Record last updated
Dec 11, 2024
Medicaid ID
1982837456 CA
Medicare enrollment
Enrolled (PECOS I20101222000838); accepts Medicare assignment
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 3445 Pacific Coast Hwy Ste 100

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

  1. Aarthi Arasu, MDEndocrinology, Diabetes & Metabolism Physician1326218249
  2. Vivek Bose, MDEndocrinology, Diabetes & Metabolism Physician1154858215
  3. Dianne Cheung, M.D.Endocrinology, Diabetes & Metabolism Physician1417197062
  4. Deborah Chon, M.D.Endocrinology, Diabetes & Metabolism Physician1003173949
  5. Rebecca Gerl, RDRegistered Dietitian1619495967
  6. Michelle Hwang, M.D.Nephrology Physician1134503337

Verify Jennifer Young Han in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A108421
    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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14% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,989 Medicare Part D claims for 418 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.

  1. Jennifer Han2,989
  2. Specialty average2,630

Most prescribed

  1. Ozempic296 claims
  2. Levothyroxine Sodium267 claims
  3. Metformin Hcl Er212 claims
  4. Metformin Hcl165 claims
  5. Synthroid159 claims
  6. Jardiance133 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 86.1 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 score82.9
  2. Costout of 100 · 30%66.7
  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. The Regents OF The University OF CaliforniaSanta Monica, CA

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

Jennifer Young Han among 1,131 endocrinology, diabetes & metabolism physician records in California

Jennifer Young Han, 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 2009, is newer than 64% of them.

  • NPI issued2009 · 64% of these records are older, 32% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2007 · median 2003 among the 779 with a school on file
  • Record last updated2024 · 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. Nidhi Agarwal, MDTorrance, CA 905051518387125
  2. Aarthi Arasu, MDTorrance, CA 905051326218249
  3. Soubhi Bahna, M.D.Torrance, CA 905051497069751
  4. Dianne Cheung, M.D.Torrance, CA 905051417197062
  5. Deborah Chon, M.D.Torrance, CA 905051003173949
  6. Kent Holtorf, M.D.Torrance, CA 905051427206135
  7. Robert Li, M.D./PH.D.Torrance, CA 905051902241607
  8. Wasima Masoodi, MDTorrance, CA 905051275563017

Common questions

What is Jennifer Young Han, M.D.'s NPI number?

Jennifer Young Han, M.D.'s National Provider Identifier (NPI) is 1982837456, issued on Aug 31, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Young Han, M.D. located?

The NPPES record lists a practice address at 3445 Pacific Coast Hwy Ste 100, Torrance, CA, 90505. Phone: (310) 542-6333. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Young Han, M.D.'s license?

NPPES lists California license number A108421, 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 Jennifer Young Han, M.D. prescribe under Medicare Part D?

In 2024, Jennifer Young Han, M.D. had 2,989 Medicare Part D claims for 418 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.

What is Jennifer Young Han, M.D.'s MIPS final score?

The 2023 MIPS final score is 86.1 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.