NPPES file of Aug 9, 2026

Yong Eun Lee, MD

Internal Medicine Physician · Richmond, CA

Yong Eun Lee, MD is an internal medicine physician with a practice address in Richmond, California, and NPI 1588240519, issued on Mar 21, 2021. Check the license (California A181877, 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
1588240519
Name
Yong Eun Lee
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A181877 CA
Self-reported in NPPES; status is on the state search
Practice location
901 Nevin Ave, Richmond, CA 94801
Phone
(510) 871-1637
Enumerated
Mar 21, 2021
Record last updated
Nov 5, 2024
Medicare enrollment
Enrolled (PECOS I20231215002328); accepts Medicare assignment
Medical or professional school
Tulane University School Of Medicine, 2021
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 901 Nevin Ave

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

  1. Susana Acevedo, MDPediatrics Physician1801971569
  2. Mankaah AchoPediatrics Physician1225779721
  3. Mary Ackerman, NPAdult Health Nurse Practitioner1154406155
  4. Kian AdabiNeurology Physician1528626710
  5. Samina Agha, MDHospitalist Physician1548345200
  6. Jessica Alfonso, RRTRegistered Respiratory Therapist1295507598

Verify Yong Eun 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 A181877
    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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92% fewer Medicare Part D claims than the average internal medicine physician in 2024

263 Medicare Part D claims for 92 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. Yong Lee263
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium23 claims
  2. Pantoprazole Sodium14 claims
  3. Albuterol Sulfate Hfa12 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. Permanente Medical Group IncOakland, CA

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

Yong Eun Lee among 17,696 internal medicine physician records in California

Yong Eun Lee, 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 2021, is newer than 92% of them.

  • NPI issued2021 · 92% of these records are older, 5% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2021 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 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).

31 internal medicine physician records list a practice address in Richmond

They are 31 of the 1,696 NPPES records with a practice address in Richmond, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jane Bonacich, MDRichmond, CA 948011699850362
  2. Vikas Chhabra, M.D.Richmond, CA 948011114930427
  3. Kathy Down, MDRichmond, CA 948011942385604
  4. Mark Geliebter, MDRichmond, CA 948011295810950
  5. Thomas Gourley, MDRichmond, CA 948011679658330
  6. George Jackson, MDRichmond, CA 948011770517666
  7. Xiang Liao, MDRichmond, CA 948011396820056
  8. Brigid McCaw, MDRichmond, CA 948011245315902

Common questions

What is Yong Eun Lee, MD's NPI number?

Yong Eun Lee, MD's National Provider Identifier (NPI) is 1588240519, issued on Mar 21, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Yong Eun Lee, MD located?

The NPPES record lists a practice address at 901 Nevin Ave, Richmond, CA, 94801. Phone: (510) 871-1637. Providers update this record themselves, so call before visiting.

How can I verify Yong Eun Lee, MD's license?

NPPES lists California license number A181877, 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 Yong Eun Lee, MD prescribe under Medicare Part D?

In 2024, Yong Eun Lee, MD had 263 Medicare Part D claims for 92 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.