John Dingilian, MD
NPI 1295828291 · Family Medicine Physician · Simi Valley, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Dingilian, MD is a Family Medicine Physician provider in Simi Valley, CA (NPI 1295828291).
Provider details
- NPI number
- 1295828291
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G75774 (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
920 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 | 265 | $99 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $140 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 121 | $9 |
| Hemoglobin A1c Level83036 | 115 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 111 | $147 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 88 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 161 | 50 |
| Losartan Potassium | 143 | 44 |
| Levothyroxine Sodium | 131 | 37 |
| Pantoprazole Sodium | 118 | 31 |
| Rosuvastatin Calcium | 99 | 26 |
| Amlodipine Besylate | 92 | 30 |
| Metformin Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-02
- Last updated
- 2011-10-05
Frequently asked questions
- What is John Dingilian's NPI number?
- John Dingilian's National Provider Identifier (NPI) is 1295828291, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Dingilian's specialty?
- John Dingilian is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Dingilian located?
- John Dingilian's practice location on file with NPPES is 2750 Sycamore Dr, Simi Valley, CA 93065-1500.
- What is John Dingilian's phone number?
- The practice phone number listed in the NPPES registry for John Dingilian is (805) 527-9140.
- Does John Dingilian accept Medicare?
- John Dingilian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Dingilian's NPI active?
- Yes — John Dingilian's NPI (1295828291) is active in the NPPES registry as of the last update on 2011-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.