Muhammad Muslim, MD
NPI 1861571218 · Hematology & Oncology Physician · Riverside, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Muslim, MD is a Hematology & Oncology Physician provider in Riverside, CA (NPI 1861571218).
Provider details
- NPI number
- 1861571218
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 44404 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
45 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 31 | $133 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 14 | $173 |
Typical Medicare-allowed amounts for these services range $133–$173 (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 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 64 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 45 | 20 |
| Letrozole | 32 | 14 |
| Imatinib Mesylate | 27 | — |
| Dexamethasone | 23 | — |
| Lenalidomide | 22 | — |
| Pembrolizumabbrand: Keytruda | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,917 across 195 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 2220 Canterbury Dr Ste 150Hays, KS 67601-2370Phone: (785) 623-5774Fax: (785) 623-5775
Registry dates
- Enumerated
- 2006-11-06
- Last updated
- 2025-11-20
- Certified
- 2025-11-20
Frequently asked questions
- What is Muhammad Muslim's NPI number?
- Muhammad Muslim's National Provider Identifier (NPI) is 1861571218, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Muslim's specialty?
- Muhammad Muslim is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Muslim located?
- Muhammad Muslim's practice location on file with NPPES is 4646 Brockton Ave Ste 203, Riverside, CA 92506-0104.
- What is Muhammad Muslim's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Muslim is (951) 394-7028.
- Does Muhammad Muslim accept Medicare?
- Muhammad Muslim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Muslim's NPI active?
- Yes — Muhammad Muslim's NPI (1861571218) is active in the NPPES registry as of the last update on 2025-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.