NPPES file of Aug 9, 2026

Lucia C. Kim, MD, MPH

Geriatric Medicine (Internal Medicine) Physician · Walnut Creek, CA

Lucia C. Kim, MD, MPH is a geriatric medicine (internal medicine) physician with a practice address in Walnut Creek, California, and NPI 1225118599, issued on Oct 17, 2006. Check the license (California G88101, 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
1225118599
Name
Lucia C. Kim
Credential
MD, MPH
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
G88101 CA
Self-reported in NPPES; status is on the state search
Practice location
320 Lennon LN, Walnut Creek, CA 94598
Phone
(925) 906-2000
Enumerated
Oct 17, 2006
Record last updated
Dec 15, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150715000011); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 1993
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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8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 320 Lennon LN

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

  1. Joel Acab, MDInternal Medicine Physician1518405661
  2. Vitas Alekna, MDOphthalmology Physician1770661860
  3. Mary Andre, P.T.Physical Therapist1740344779
  4. Lynn Arsenault, MDPediatrics Physician1972681054
  5. Ashley Batchelder, DPTPhysical Therapist1851450936
  6. Cynthia Bellitt, R.N.N.P.Women's Health Nurse Practitioner1851464630

Verify Lucia C. Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G88101    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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55% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,900 Medicare Part D claims for 273 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.

  1. Lucia Kim1,900
  2. Specialty average4,246

Most prescribed

  1. Sertraline Hcl273 claims
  2. Gabapentin201 claims
  3. Quetiapine Fumarate140 claims
  4. Mirtazapine120 claims
  5. Atorvastatin Calcium85 claims
  6. Trazodone Hcl85 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 IncRichmond, CA

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

Lucia C. Kim among 532 geriatric medicine (internal medicine) physician records in California

Lucia C. Kim, MD, MPH is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 46% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 51% of these records are
  • Graduated1993 · median 1999 among the 271 with a school on file
  • Record last updated2021 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in California

There are 532 geriatric medicine (internal medicine) physician records in California.

All 532 in California → Every provider in Walnut Creek → Geriatric Medicine (Internal Medicine) Physician nationwide →

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Edgar Calvelo, M.D.Yountville, CA 945991912971995
  2. Denise Rettenmaier, D.O.Yountville, CA 945991861468373
  3. Evan Seevak, MDOakland, CA 946021689684250
  4. Clara ChenOakland, CA 946071336883024
  5. Chandra Keebler Bloom, MDVallejo, CA 945891497018238
  6. Timothy Parenteau, MD, PHDOakland, CA 946091790272599
  7. Robert Tufft, MDOakland, CA 946091619010121
  8. Catherine Buchanan, M.D.Oakland, CA 946101114903341

Common questions

What is Lucia C. Kim, MD, MPH's NPI number?

Lucia C. Kim, MD, MPH's National Provider Identifier (NPI) is 1225118599, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Lucia C. Kim, MD, MPH located?

The NPPES record lists a practice address at 320 Lennon LN, Walnut Creek, CA, 94598. Phone: (925) 906-2000. Providers update this record themselves, so call before visiting.

How can I verify Lucia C. Kim, MD, MPH's license?

NPPES lists California license number G88101, 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 Lucia C. Kim, MD, MPH prescribe under Medicare Part D?

In 2024, Lucia C. Kim, MD, MPH had 1,900 Medicare Part D claims for 273 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.