Spencer Leland Brown, M.D.
Vascular Surgery Physician · Los Angeles, CA
Spencer Leland Brown, M.D. is a vascular surgery physician with a practice address in Los Angeles, California, and NPI 1124210018, issued on Aug 14, 2007. Check the license (California G46653, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Spencer Leland Brown
- Credential
- M.D.
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License number
- G46653 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2080 Century Park E Ste 1807, Los Angeles, CA 90067
- Phone
- (310) 552-1077
- Enumerated
- Aug 14, 2007
- Record last updated
- Jul 30, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (310) 552-0861
- Medicaid ID
- 00G466530 CA
- Medicare enrollment
- Enrolled (PECOS I20100818001328); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 580 in California → Look up another NPI →
Also registered at 2080 Century Park E Ste 1807
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Quynh Dao, NPNurse Practitioner1063700664
- Jeffrey Toll, M.D.Internal Medicine Physician1558772350
Verify Spencer Leland Brown in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G46653Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
31% fewer Medicare Part D claims than the average vascular surgery physician in 2024
138 Medicare Part D claims for 86 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 65 claims were for opioids.
Most prescribed
- Acetaminophen-Codeine37 claims
- Clopidogrel29 claims
- Hydrocodone-Acetaminophen27 claims
- Eliquis19 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Spencer Leland Brown among 580 vascular surgery physician records in California
Spencer Leland Brown, M.D. is one of 580 vascular surgery physician records with a practice address in California. 84% 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 46% of them.
- NPI issued2007 · 46% of these records are older, 40% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1980 · median 2003 among the 411 with a school on file
- Record last updated2014 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in California
There are 580 vascular surgery physician records in California.
All 580 in California → Every provider in Los Angeles → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Robert Carroll, MDLos Angeles, CA 900671881213817
- David Tobey, D.O.Los Angeles, CA 900591528324381
- Ryan Abdul-HaqqWest Hollywood, CA 900481386087864
- Donald Baril, MDLos Angeles, CA 900481659576452
- Siamak Barkhordarian, M.D.Los Angeles, CA 900481760564702
- Elizabeth Chou, MDLos Angeles, CA 900481780065292
- J. Cohen, M.D.Los Angeles, CA 900481720008964
- Bruce Gewertz, M.D.Los Angeles, CA 900481255434890
Common questions
What is Spencer Leland Brown, M.D.'s NPI number?
Spencer Leland Brown, M.D.'s National Provider Identifier (NPI) is 1124210018, issued on Aug 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Spencer Leland Brown, M.D. located?
The NPPES record lists a practice address at 2080 Century Park E Ste 1807, Los Angeles, CA, 90067. Phone: (310) 552-1077. Providers update this record themselves, so call before visiting.
How can I verify Spencer Leland Brown, M.D.'s license?
NPPES lists California license number G46653, 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 Spencer Leland Brown, M.D. prescribe under Medicare Part D?
In 2024, Spencer Leland Brown, M.D. had 138 Medicare Part D claims for 86 beneficiaries; the average among vascular surgery physician prescribers was 201. Part D covers Medicare prescriptions only.
What is Spencer Leland Brown, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.