Denise Y. Lee, D.O.
Internal Medicine Physician · San Francisco, CA
Denise Y. Lee, D.O. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1689708331, issued on Mar 15, 2007. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Denise Y. Lee
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 5101014443 MI
Self-reported in NPPES; status is on the state search - Practice location
- 425 California St Ste 1400, San Francisco, CA 94104
- Phone
- (831) 484-7713
- Enumerated
- Mar 15, 2007
- Record last updated
- Jul 10, 2025
- Fax
- (650) 360-0447
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 425 California St Ste 1400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Denise Y. Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
20 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 75% of claims.
Most prescribed
- Ozempic15 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: $15.84
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Denise Y. Lee among 17,696 internal medicine physician records in California
Denise Y. Lee, D.O. 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 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 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).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Laura Arbogast, DOSan Francisco, CA 941041235209354
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- Peter Benedith, MDSf, CA 941041720253719
- Fred Cohen, M.D.San Francisco, CA 941041750445581
- Dan Kalshan, MDSan Francisco, CA 941041326033200
- Celina Labrec-Salmons, MDSan Francisco, CA 941041225265119
- Maria Magat, MDSan Francisco, CA 941041821142688
- Nancy McAfee, M.D.San Francisco, CA 941041952404204
Common questions
What is Denise Y. Lee, D.O.'s NPI number?
Denise Y. Lee, D.O.'s National Provider Identifier (NPI) is 1689708331, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Denise Y. Lee, D.O. located?
The NPPES record lists a practice address at 425 California St Ste 1400, San Francisco, CA, 94104. Phone: (831) 484-7713. Providers update this record themselves, so call before visiting.
How can I verify Denise Y. Lee, D.O.'s license?
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 Denise Y. Lee, D.O. prescribe under Medicare Part D?
In 2024, Denise Y. Lee, D.O. had 20 Medicare Part D claims; 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.