Mehrdad Karimi, M.D.
NPI 1528694403 · Internal Medicine Physician · Chico, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mehrdad Karimi, M.D. is a Internal Medicine Physician provider in Chico, CA (NPI 1528694403).
Provider details
- NPI number
- 1528694403
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A184810 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
2,595 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 902 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 622 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 443 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 382 | $169 |
| Critical Care, First 30-74 Minutes99291 | 138 | $207 |
| Advance Care Planning, First 30 Minutes99497 | 71 | $75 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 58 | 41 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 54 | 54 |
| Atorvastatin Calcium | 48 | 28 |
| Metoprolol Succinate | 45 | 24 |
| Prednisone | 43 | 41 |
| Apixabanbrand: Eliquis | 40 | 26 |
Practice location
Mailing address
Additional practice locations (2)
- 1500 Duarte RdDuarte, CA 91010-3012Phone: (800) 826-4673
- 1000 FivepointIrvine, CA 92618-2621Phone: (800) 826-4673
Registry dates
- Enumerated
- 2020-03-23
- Last updated
- 2025-12-04
- Certified
- 2025-12-04
Frequently asked questions
- What is Mehrdad Karimi's NPI number?
- Mehrdad Karimi's National Provider Identifier (NPI) is 1528694403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mehrdad Karimi's specialty?
- Mehrdad Karimi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mehrdad Karimi located?
- Mehrdad Karimi's practice location on file with NPPES is 1531 Esplanade, Chico, CA 95926-3310.
- What is Mehrdad Karimi's phone number?
- The practice phone number listed in the NPPES registry for Mehrdad Karimi is (530) 896-7456.
- Does Mehrdad Karimi accept Medicare?
- Mehrdad Karimi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mehrdad Karimi's NPI active?
- Yes — Mehrdad Karimi's NPI (1528694403) is active in the NPPES registry as of the last update on 2025-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.