NPPES file of Aug 9, 2026

Stephanie Ai VI Lu, DO

Geriatric Medicine (Internal Medicine) Physician · San Diego, CA

Stephanie Ai VI Lu, DO is a geriatric medicine (internal medicine) physician with a practice address in San Diego, California, and NPI 1518524586, issued on May 24, 2019. Check the license (California 20A20252, 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
1518524586
Name
Stephanie Ai VI Lu
Credential
DO
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
20A20252 CA
Self-reported in NPPES; status is on the state search
Practice location
200 W Arbor Dr, San Diego, CA 92103
Phone
(800) 926-8273
Enumerated
May 24, 2019
Record last updated
Aug 14, 2025
Fax
(888) 539-8781
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.
Download card Updates feed

8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →

Also registered at 200 W Arbor Dr

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

  1. Alison A'Court, MDAnesthesiology Physician1912218199
  2. Benjamin Abbadessa, M.D.Colon & Rectal Surgery Physician1255593612
  3. Geraldine Abcede, RNCertified Registered Nurse Anesthetist1982384046
  4. Joseph Abdelmalek, M.DNephrology Physician1740485531
  5. Kristy AbelCertified Registered Nurse Anesthetist1962113035
  6. Paula Abeleda, NPFamily Nurse Practitioner1558945022

Verify Stephanie Ai VI Lu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A20252    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

76% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

1,034 Medicare Part D claims for 136 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Stephanie Lu1,034
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium103 claims
  2. Lisinopril59 claims
  3. Metformin Hcl53 claims
  4. Albuterol Sulfate Hfa46 claims
  5. Gabapentin44 claims
  6. Amlodipine Besylate37 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: $134.09

1 payment: food and beverage; the largest payer was Genentech USA, Inc. The 1,004 providers of this specialty with any payment received $1,720.82 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephanie Lu$134.09
  2. Specialty average$1,720.82

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

Stephanie Ai VI Lu among 532 geriatric medicine (internal medicine) physician records in California

Stephanie Ai VI Lu, DO 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 2019, is newer than 91% of them.

  • NPI issued2019 · 91% of these records are older, 7% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 51% of these records are
  • Record last updated2025 · 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 San Diego → Geriatric Medicine (Internal Medicine) Physician nationwide →

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

  1. Parag Agnihotri, M.D.San Diego, CA 921031447351085
  2. Paul AisenSan Diego, CA 921031669470753
  3. Tessa Antalan, MDSan Diego, CA 921031427346758
  4. Paul Gamble, M.D.San Diego, CA 921031407871569
  5. Veronica Gonzalez, M.D.San Diego, CA 921031083905715
  6. Roopali Gupta, MDSan Diego, CA 921031265641930
  7. Gita Mehta, M.D.San Diego, CA 921031538215264
  8. Elizabeth Menkin, MDSan Diego, CA 921031639241383

Common questions

What is Stephanie Ai VI Lu, DO's NPI number?

Stephanie Ai VI Lu, DO's National Provider Identifier (NPI) is 1518524586, issued on May 24, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Stephanie Ai VI Lu, DO located?

The NPPES record lists a practice address at 200 W Arbor Dr, San Diego, CA, 92103. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.

How can I verify Stephanie Ai VI Lu, DO's license?

NPPES lists California license number 20A20252, 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 Stephanie Ai VI Lu, DO prescribe under Medicare Part D?

In 2024, Stephanie Ai VI Lu, DO had 1,034 Medicare Part D claims for 136 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.