Nicholas Lee Mascarenhas, MD
Psychiatry Physician · Los Angeles, CA
Nicholas Lee Mascarenhas, MD is a psychiatry physician with a practice address in Los Angeles, California, and NPI 1285111450, issued on Jul 20, 2018. Check the license (California A165220, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nicholas Lee Mascarenhas
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- A165220 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2010 Zonal Ave # 1P10, Los Angeles, CA 90033
- Phone
- (323) 409-5555
- Enumerated
- Jul 20, 2018
- Record last updated
- Sep 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20230206001331); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 8,673 in California → Look up another NPI →
Also registered at 2010 Zonal Ave # 1P10
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Chaing, MDStudent in an Organized Health Care Education/Training Program1770103962
- Jessica Wang, MDPsychiatry Physician1467156547
Verify Nicholas Lee Mascarenhas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 91 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Lee Mascarenhas among 8,673 psychiatry physician records in California
Nicholas Lee Mascarenhas, MD is one of 8,673 psychiatry physician records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 38% of these records are
- Graduated2018 · median 2005 among the 3,295 with a school on file
- Record last updated2021 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
987 psychiatry physician records list a practice address in Los Angeles
They are 987 of the 69,537 NPPES records with a practice address in Los Angeles, and 8,673 psychiatry physician records in California.
All 8,673 in California → Every provider in Los Angeles → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Ikhlas Akra, M.D.Los Angeles, CA 900331992741979
- David Baron, DOLos Angeles, CA 900331417945486
- Jaskanwar Batra, M.D.Los Angeles, CA 900331033183926
- William Bondareff, MD,PHDLos Angeles, CA 900331225074156
- Timothy Botello, MDLos Angeles, CA 900331477581346
- Lawrence Gross, M.D.Los Angeles, CA 900331427032366
- Michael Hernandez, M.D.Los Angeles, CA 900331508865023
- Thomas Hicklin, MDLos Angeles, CA 900331548284383
Common questions
What is Nicholas Lee Mascarenhas, MD's NPI number?
Nicholas Lee Mascarenhas, MD's National Provider Identifier (NPI) is 1285111450, issued on Jul 20, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Lee Mascarenhas, MD located?
The NPPES record lists a practice address at 2010 Zonal Ave # 1P10, Los Angeles, CA, 90033. Phone: (323) 409-5555. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Lee Mascarenhas, MD's license?
NPPES lists California license number A165220, 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.
What is Nicholas Lee Mascarenhas, MD's MIPS final score?
The 2023 MIPS final score is 91 of 100, reported for the practice group. 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.