NPPES file of Aug 9, 2026

Wei An Lee, D.O.

Endocrinology, Diabetes & Metabolism Physician · Los Angeles, CA

Wei An Lee, D.O. is an endocrinology, diabetes & metabolism physician with a practice address in Los Angeles, California, and NPI 1205031804, issued on Jun 15, 2007. Check the license (California 20A8465, 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
1205031804
Name
Wei An Lee
Credential
D.O.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
20A8465 CA
Self-reported in NPPES; status is on the state search
Practice location
1100 N State St, Los Angeles, CA 90033
Phone
(323) 409-5181
Enumerated
Jun 15, 2007
Record last updated
Jan 22, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →

Also registered at 1100 N State St

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

  1. Eduardo Aceves, RNRegistered Nurse1841716305
  2. Ryan AcunaAmbulatory Care Registered Nurse1932692191
  3. Mahal AguirreAmbulatory Care Registered Nurse1508387952
  4. Ramsey Alhosri, MDAnatomic Pathology & Clinical Pathology Physician1447833371
  5. Helen AlvaAmbulatory Care Registered Nurse1295257541
  6. Luisa AlvarezSocial Worker1902328602

Verify Wei An Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8465    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

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88% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

309 Medicare Part D claims for 28 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 63% of claims.

  1. Wei An Lee309
  2. Specialty average2,630

Most prescribed

  1. Jardiance49 claims
  2. Metformin Hcl36 claims
  3. Lantus Solostar33 claims
  4. Novolin N29 claims
  5. Humalog Kwikpen U-10027 claims
  6. Basaglar Kwikpen U-10020 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.

Industry payments in 2024: $80.40

3 payments; by number, the most common kind was food and beverage; the largest payer was Dexcom, Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Wei An Lee$80.40
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Wei An Lee among 1,131 endocrinology, diabetes & metabolism physician records in California

Wei An Lee, D.O. 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 2007, is newer than 46% of them.

  • NPI issued2007 · 46% of these records are older, 42% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileNo · 69% of these records are
  • 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.

All 1,131 in California → Every provider in Los Angeles → Endocrinology, Diabetes & Metabolism Physician nationwide →

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

  1. Braden Barnett, M.D.Los Angeles, CA 900331124386776
  2. Elizabeth BealeLos Angeles, CA 900331376745893
  3. Stefan Bughi, M.D.Los Angeles, CA 900331134166671
  4. John Carmichael, MDLos Angeles, CA 900331396818241
  5. Christian Gastelum, MDLos Angeles, CA 900331285782268
  6. Vikram KamdarLos Angeles, CA 900331629004148
  7. Johnathan Lopresti, M.D.Los Angeles, CA 900331568495307
  8. Ruchi Mathur, M.D.Los Angeles, CA 900331184650749

Common questions

What is Wei An Lee, D.O.'s NPI number?

Wei An Lee, D.O.'s National Provider Identifier (NPI) is 1205031804, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Wei An Lee, D.O. located?

The NPPES record lists a practice address at 1100 N State St, Los Angeles, CA, 90033. Phone: (323) 409-5181. Providers update this record themselves, so call before visiting.

How can I verify Wei An Lee, D.O.'s license?

NPPES lists California license number 20A8465, 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 Wei An Lee, D.O. prescribe under Medicare Part D?

In 2024, Wei An Lee, D.O. had 309 Medicare Part D claims for 28 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.