Ashok Madahar, M.D.
NPI 1902846710 · Emergency Medicine Physician · Chino, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ashok Madahar, M.D. is a Emergency Medicine Physician provider in Chino, CA (NPI 1902846710).
Provider details
- NPI number
- 1902846710
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- C42285 (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
20 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
371 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 105 | $212 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 94 | $8 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 82 | $175 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 58 | $120 |
| Smoking and Tobacco Use Intensive Counseling, 4-10 Minutes99406 | 19 | $12 |
| X-Ray of Chest, 1 View71045 | 13 | $9 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ibuprofen | 33 | 32 |
| Cephalexin | 23 | 23 |
| Diclofenac Sodium | 22 | 22 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 21 | 21 |
| Prednisone | 20 | 20 |
| Ciprofloxacin Hcl | 16 | 14 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 15 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-08
- Last updated
- 2008-06-13
Frequently asked questions
- What is Ashok Madahar's NPI number?
- Ashok Madahar's National Provider Identifier (NPI) is 1902846710, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ashok Madahar's specialty?
- Ashok Madahar is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ashok Madahar located?
- Ashok Madahar's practice location on file with NPPES is 5451 Walnut Ave, Chino, CA 91710-2609.
- What is Ashok Madahar's phone number?
- The practice phone number listed in the NPPES registry for Ashok Madahar is (909) 464-8666.
- Does Ashok Madahar accept Medicare?
- Ashok Madahar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ashok Madahar's NPI active?
- Yes — Ashok Madahar's NPI (1902846710) is active in the NPPES registry as of the last update on 2008-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.