Arman Aryai, MD
NPI 1851592737 · Internal Medicine Physician · Fontana, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arman Aryai, MD is a Internal Medicine Physician provider in Fontana, CA (NPI 1851592737).
Provider details
- NPI number
- 1851592737
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A94416 (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
53 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 | 53 | $118 |
Typical Medicare-allowed amounts for these services range $118–$118 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 20 | — |
| Cefuroxime Axetilbrand: Cefuroxime | 18 | 18 |
| Azithromycin | 17 | 17 |
| Ciprofloxacin Hcl | 14 | 14 |
| Metoprolol Tartrate | 14 | — |
| Clopidogrel Bisulfatebrand: Clopidogrel | 13 | — |
| Prednisone | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-30
- Last updated
- 2021-12-08
Frequently asked questions
- What is Arman Aryai's NPI number?
- Arman Aryai's National Provider Identifier (NPI) is 1851592737, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arman Aryai's specialty?
- Arman Aryai is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arman Aryai located?
- Arman Aryai's practice location on file with NPPES is 9961 Sierra Ave, Fontana, CA 92335-6720.
- What is Arman Aryai's phone number?
- The practice phone number listed in the NPPES registry for Arman Aryai is (909) 427-3910.
- Does Arman Aryai accept Medicare?
- Arman Aryai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arman Aryai's NPI active?
- Yes — Arman Aryai's NPI (1851592737) is active in the NPPES registry as of the last update on 2021-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.