Ayaz Gen, DO
NPI 1508447061 · Internal Medicine Physician · Berwyn, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ayaz Gen, DO is a Internal Medicine Physician provider in Berwyn, IL (NPI 1508447061).
Provider details
- NPI number
- 1508447061
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 036.171094 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 23 | 13 |
| Lisinopril | 21 | 13 |
| Levothyroxine Sodium | 16 | — |
| Sitagliptin Phosphatebrand: Januvia | 14 | — |
| Amlodipine Besylate | 12 | — |
| Mirabegronbrand: Myrbetriq | 11 | — |
| Pravastatin Sodium | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-16
- Last updated
- 2025-07-02
- Certified
- 2025-06-17
Frequently asked questions
- What is Ayaz Gen's NPI number?
- Ayaz Gen's National Provider Identifier (NPI) is 1508447061, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ayaz Gen's specialty?
- Ayaz Gen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ayaz Gen located?
- Ayaz Gen's practice location on file with NPPES is 3722 South Harlem Ave, Berwyn, IL 60402.
- What is Ayaz Gen's phone number?
- The practice phone number listed in the NPPES registry for Ayaz Gen is (877) 834-7264.
- Does Ayaz Gen accept Medicare?
- Ayaz Gen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ayaz Gen's NPI active?
- Yes — Ayaz Gen's NPI (1508447061) is active in the NPPES registry as of the last update on 2025-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.