Minsen Mok, M.D.
Internal Medicine Physician · Fountain Valley, CA
Minsen Mok, M.D. is an internal medicine physician with a practice address in Fountain Valley, California, and NPI 1417059916, issued on Sep 4, 2006. Check the license (California G73182, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Minsen Mok
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G73182 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11100 Warner Ave Ste 104, Fountain Valley, CA 92708
- Phone
- (714) 306-6104
- Enumerated
- Sep 4, 2006
- Record last updated
- Mar 7, 2026
- Medicaid ID
- 00G731820 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 11100 Warner Ave Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Arpine BarsegianOphthalmology Physician1780070649
Verify Minsen Mok in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G73182Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% more Medicare Part D claims than the average internal medicine physician in 2024
4,186 Medicare Part D claims for 289 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 132 claims were for opioids.
Most prescribed
- Atorvastatin Calcium340 claims
- Amlodipine Besylate249 claims
- Losartan Potassium190 claims
- Metformin Hcl165 claims
- Triamcinolone Acetonide123 claims
- Levothyroxine Sodium113 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.
Minsen Mok among 17,696 internal medicine physician records in California
Minsen Mok, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
83 internal medicine physician records list a practice address in Fountain Valley
They are 83 of the 2,190 NPPES records with a practice address in Fountain Valley, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Fountain Valley → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Joel Bartlett, MDFountain Valley, CA 927081073518791
- Ihong Chen, MDFountain Valley, CA 927081104822535
- Naomi Cheung, MDFountain Valley, CA 927081073503314
- Alan Dang, M.D.Fountain Valley, CA 927081043217359
- Alton ForanFountain Valley, CA 927081619968799
- George Hong, MDFountain Valley, CA 927081154328532
- Brandon Khaw, MDFountain Valley, CA 927081568453637
- Lalita Komanapalli, MDFountain Valley, CA 927081578560884
Common questions
What is Minsen Mok, M.D.'s NPI number?
Minsen Mok, M.D.'s National Provider Identifier (NPI) is 1417059916, issued on Sep 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Minsen Mok, M.D. located?
The NPPES record lists a practice address at 11100 Warner Ave Ste 104, Fountain Valley, CA, 92708. Phone: (714) 306-6104. Providers update this record themselves, so call before visiting.
How can I verify Minsen Mok, M.D.'s license?
NPPES lists California license number G73182, 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 Minsen Mok, M.D. prescribe under Medicare Part D?
In 2024, Minsen Mok, M.D. had 4,186 Medicare Part D claims for 289 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.