Minsen Mok, M.D.
NPI 1417059916 · Internal Medicine Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Minsen Mok, M.D. is a Internal Medicine Physician provider in Fountain Valley, CA (NPI 1417059916).
Provider details
- NPI number
- 1417059916
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G73182 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
370 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 244 | $99 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 53 | $60 |
| Administration of Influenza Virus VaccineG0008 | 38 | $29 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 35 | $141 |
Typical Medicare-allowed amounts for these services range $29–$141 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 82 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 340 | 96 |
| Amlodipine Besylate | 249 | 69 |
| Losartan Potassium | 190 | 56 |
| Metformin Hcl | 165 | 47 |
| Triamcinolone Acetonide | 123 | 45 |
| Levothyroxine Sodium | 113 | 23 |
| Lovastatin | 103 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-04
- Last updated
- 2026-03-07
- Certified
- 2026-03-07
Frequently asked questions
- What is Minsen Mok's NPI number?
- Minsen Mok's National Provider Identifier (NPI) is 1417059916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Minsen Mok's specialty?
- Minsen Mok is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Minsen Mok located?
- Minsen Mok's practice location on file with NPPES is 11100 Warner Ave Ste 104, Fountain Valley, CA 92708-7500.
- What is Minsen Mok's phone number?
- The practice phone number listed in the NPPES registry for Minsen Mok is (714) 306-6104.
- Does Minsen Mok accept Medicare?
- Minsen Mok is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Minsen Mok's NPI active?
- Yes — Minsen Mok's NPI (1417059916) is active in the NPPES registry as of the last update on 2026-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.