Clarence Marcus Lee, M.D.
General Practice Physician · Carlsbad, CA
Clarence Marcus Lee, M.D. is a general practice physician with a practice address in Carlsbad, California, and NPI 1144520032, issued on Oct 26, 2010. Check the license (California A138879, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Clarence Marcus Lee
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- A138879 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6125 Paseo Del Norte Ste 130, Carlsbad, CA 92011
- Phone
- (442) 244-8347
- Enumerated
- Oct 26, 2010
- Record last updated
- May 14, 2025
- Fax
- (760) 683-0470
- Medicare enrollment
- Enrolled (PECOS I20220119000735); accepts Medicare assignment
- Medical or professional school
- Drexel University College Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Verify Clarence Marcus Lee in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A138879Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- United Medical DoctorsFallbrook, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clarence Marcus Lee among 1,956 general practice physician records in California
Clarence Marcus Lee, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2006 · median 1994 among the 520 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Carlsbad → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- David Orringer, MDCarlsbad, CA 920111275503328
- Sandra Alexander, M.D.Carlsbad, CA 920091609815091
- Farah AlrajaanCarlsbad, CA 920081457075558
- Steven Bierman, M.D.Del Mar, CA 920141699915108
- Robert Charlap, MDCarlsbad, CA 920081699875559
- Sandhya Desai, MDCarlsbad, CA 920081588688824
- Mitchel Olson, M.D.Carlsbad, CA 920081780820548
- Ryan Partovi, J.D., N.M.D., MIFHIDel Mar, CA 920141144530429
Common questions
What is Clarence Marcus Lee, M.D.'s NPI number?
Clarence Marcus Lee, M.D.'s National Provider Identifier (NPI) is 1144520032, issued on Oct 26, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Clarence Marcus Lee, M.D. located?
The NPPES record lists a practice address at 6125 Paseo Del Norte Ste 130, Carlsbad, CA, 92011. Phone: (442) 244-8347. Providers update this record themselves, so call before visiting.
How can I verify Clarence Marcus Lee, M.D.'s license?
NPPES lists California license number A138879, 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.
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.