Holly Nguyen Diep, MD
Pediatrics Physician · Harbor City, CA
Holly Nguyen Diep, MD is a pediatrics physician with a practice address in Harbor City, California, and NPI 1164626214, issued on Jun 13, 2007. Check the license (California A95539, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Holly Nguyen Diep
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- A95539 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25825 Vermont Ave, Harbor City, CA 90710
- Phone
- (310) 325-5111
- Enumerated
- Jun 13, 2007
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 25825 Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christiana Abraham, NPFamily Nurse Practitioner1447855911
- Kamren AckermanPhysical Therapist1104412352
- Bradley Ackerson, MDPediatric Infectious Diseases Physician1255490918
- Yossef Aelony, MDPulmonary Disease Physician1619178597
- Lisa Agustines, MDObstetrics & Gynecology Physician1750452736
Verify Holly Nguyen Diep in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A95539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average pediatrics physician in 2024
106 Medicare Part D claims for 103 beneficiaries, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D.
Most prescribed
- Nitrofurantoin Mono-Macro41 claims
- Amoxicillin13 claims
- Cefadroxil13 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.
Holly Nguyen Diep among 9,272 pediatrics physician records in California
Holly Nguyen Diep, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 44% of them.
- NPI issued2007 · 44% of these records are older, 43% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2021 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
26 pediatrics physician records list a practice address in Harbor City
They are 26 of the 958 NPPES records with a practice address in Harbor City, and 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Harbor City → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Crescantino Azcueta, MDHarbor City, CA 907101831266857
- Jereme Butler, MDHarbor City, CA 907101194873059
- Douglas Carman, MDHarbor City, CA 907101346311222
- Barbara Carnes, MDHarbor City, CA 907101659442556
- Cheng Kuo, M.D.Harbor City, CA 907101689673840
- Rachel Mirvish, MDHarbor City, CA 907101417024381
- Lisa Montes, MDHarbor City, CA 907101598832594
- Cynthia Osmanian, MDHarbor City, CA 907101144389883
Common questions
What is Holly Nguyen Diep, MD's NPI number?
Holly Nguyen Diep, MD's National Provider Identifier (NPI) is 1164626214, issued on Jun 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Holly Nguyen Diep, MD located?
The NPPES record lists a practice address at 25825 Vermont Ave, Harbor City, CA, 90710. Phone: (310) 325-5111. Providers update this record themselves, so call before visiting.
How can I verify Holly Nguyen Diep, MD's license?
NPPES lists California license number A95539, 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 Holly Nguyen Diep, MD prescribe under Medicare Part D?
In 2024, Holly Nguyen Diep, MD had 106 Medicare Part D claims for 103 beneficiaries; the average among pediatrics physician prescribers was 375. 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.