NPPES file of Aug 9, 2026

Hee Eun Lee

Family Medicine Physician · Walnut Creek, CA

Hee Eun Lee is a family medicine physician with a practice address in Walnut Creek, California, and NPI 1093463465, issued on Mar 15, 2022. Check the license (California 20A23525, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093463465
Name
Hee Eun Lee
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A23525 CA
Self-reported in NPPES; status is on the state search
Practice location
1450 Treat Blvd Ste 160, Walnut Creek, CA 94597
Phone
(925) 296-9000
Enumerated
Mar 15, 2022
Record last updated
Jan 23, 2026
Medicare enrollment
Enrolled (PECOS I20260206003817); accepts Medicare assignment
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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8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 1450 Treat Blvd Ste 160

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

  1. Dulguun Bayardorj, DOFamily Medicine Physician1336999739
  2. David Chavez, ARNPFamily Nurse Practitioner1437715646
  3. Elizabeth Davis, PACMedical Physician Assistant1285720409
  4. Natalie Delfavero, MDFamily Medicine Physician1689258048
  5. Nida Fatima, DO, MPHFamily Medicine Physician1932894474
  6. Lance Gee, M.D.Family Medicine Physician1497731665

Verify Hee 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 20A23525    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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Bills Medicare through one group practice

  1. John Muir Physician NetworkWalnut Creek, CA

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

Hee Eun Lee among 17,133 family medicine physician records in California

Hee Eun Lee 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 2022, is newer than 94% of them.

  • NPI issued2022 · 94% of these records are older, 3% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2023 · median 2005 among the 10,652 with a school on file
  • Record last updated2026 · 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).

116 family medicine physician records list a practice address in Walnut Creek

They are 116 of the 6,170 NPPES records with a practice address in Walnut Creek, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Walnut Creek → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Russell Alpert, M.D.Walnut Creek, CA 945971235182544
  2. John Cho, M.D.Walnut Creek, CA 945971609816107
  3. Grace Chou, M.D.Walnut Creek, CA 945971053309369
  4. Robert Eidus, MDWalnut Creek, CA 945971215901871
  5. Lance Gee, M.D.Walnut Creek, CA 945971497731665
  6. Deborah Greer, M.D.Walnut Creek, CA 945971003851858
  7. Lawren Hicks, M.D.Walnut Creek, CA 945971619912680
  8. Seigfred Jalalon, M.D.Walnut Creek, CA 945971043231038

Common questions

What is Hee Eun Lee's NPI number?

Hee Eun Lee's National Provider Identifier (NPI) is 1093463465, issued on Mar 15, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Hee Eun Lee located?

The NPPES record lists a practice address at 1450 Treat Blvd Ste 160, Walnut Creek, CA, 94597. Phone: (925) 296-9000. Providers update this record themselves, so call before visiting.

How can I verify Hee Eun Lee's license?

NPPES lists California license number 20A23525, 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.

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.