Jacklyn Yun Lee, M.D.
Internal Medicine Physician · San Francisco, CA
Jacklyn Yun Lee, M.D. is an internal medicine physician with a practice address in San Francisco, California, and NPI 1356640932, issued on Mar 22, 2011. Check the license (California 143562, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jacklyn Yun Lee
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 143562 CA
268731 NY
Self-reported in NPPES; status is on the state search - Practice location
- 533 Parnassus Ave Ste U127, San Francisco, CA 94143
- Phone
- (415) 476-1000
- Enumerated
- Mar 22, 2011
- Record last updated
- Jul 15, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160825002007); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Verify Jacklyn Yun Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 143562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average internal medicine physician in 2024
175 Medicare Part D claims for 79 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
Most prescribed
- Cefpodoxime Proxetil12 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
- Scripps HealthLa Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacklyn Yun Lee among 17,696 internal medicine physician records in California
Jacklyn Yun Lee, M.D. 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 2011, is newer than 66% of them.
- NPI issued2011 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2011 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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
- Nathan Bass, MDSan Francisco, CA 941431689638959
- Margaret Fang, MDSan Francisco, CA 941431417911462
- Katherine Julian, MDSan Francisco, CA 941431003879826
- John Kane, MDSan Francisco, CA 941431467416461
- Suneil Koliwad, M.D., PH.D.San Francisco, CA 941431225006687
- Bernard Lo, MDSan Francisco, CA 941431184688137
- Stephen McPhee, MDSan Francisco, CA 941431124082490
- Andrew Posselt, MDSan Francisco, CA 941431235193616
Common questions
What is Jacklyn Yun Lee, M.D.'s NPI number?
Jacklyn Yun Lee, M.D.'s National Provider Identifier (NPI) is 1356640932, issued on Mar 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Jacklyn Yun Lee, M.D. located?
The NPPES record lists a practice address at 533 Parnassus Ave Ste U127, San Francisco, CA, 94143. Phone: (415) 476-1000. Providers update this record themselves, so call before visiting.
How can I verify Jacklyn Yun Lee, M.D.'s license?
NPPES lists California license number 143562, 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 Jacklyn Yun Lee, M.D. prescribe under Medicare Part D?
In 2024, Jacklyn Yun Lee, M.D. had 175 Medicare Part D claims for 79 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.