Mark Holguin
General Practice Physician · Los Angeles, CA
Mark Holguin is a general practice physician with a practice address in Los Angeles, California, and NPI 1962194324, issued on May 24, 2023. Check the license (California PTL13603, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Holguin
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- PTL13603 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1680 E 120TH St, Los Angeles, CA 90059
- Phone
- (424) 529-6755
- Enumerated
- May 24, 2023
- Record last updated
- Apr 14, 2025
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 1680 E 120TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adedeji Adefeso, MDGeneral Practice Physician1710729223
- Ijeoma AkannoAdult Psychiatric/Mental Health Registered Nurse1750953014
- Jessie Alvarez, PMHNP-BCNurse Practitioner1699510719
- Robert Andalon, MDGeneral Practice Physician1285321182
- Abdelkader AwadStudent in an Organized Health Care Education/Training Program1649154782
- Mercy Azubuko-UdahStudent in an Organized Health Care Education/Training Program1114651981
Verify Mark Holguin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license PTL13603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average general practice physician in 2024
161 Medicare Part D claims for 46 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium21 claims
- Amlodipine Besylate15 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.
Mark Holguin among 1,956 general practice physician records in California
Mark Holguin 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 2023, is newer than 91% of them.
- NPI issued2023 · 91% of these records are older, 5% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileNo · 27% of these records are
- 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 Los Angeles → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Adedeji Adefeso, MDLos Angeles, CA 900591710729223
- Adaure Amuzie, MDLos Angeles, CA 900591932896727
- Robert Andalon, MDLos Angeles, CA 900591285321182
- Ryan DinhLos Angeles, CA 900591558280479
- Shiva Golshani-Hebroni, M.D.Los Angeles, CA 900591184783086
- Emily Le, DOLos Angeles, CA 900591215400288
- Priscila Lopez Ramirez, MDLos Angeles, CA 900591447818067
- Amy Morioka, MDLos Angeles, CA 900591346981339
Common questions
What is Mark Holguin's NPI number?
Mark Holguin's National Provider Identifier (NPI) is 1962194324, issued on May 24, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Mark Holguin located?
The NPPES record lists a practice address at 1680 E 120TH St, Los Angeles, CA, 90059. Phone: (424) 529-6755. Providers update this record themselves, so call before visiting.
How can I verify Mark Holguin's license?
NPPES lists California license number PTL13603, 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 Mark Holguin prescribe under Medicare Part D?
In 2024, Mark Holguin had 161 Medicare Part D claims for 46 beneficiaries; the average among general practice physician prescribers was 3,030. 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.