Asad Zaman, M.D.
NPI 1780636944 · Internal Medicine Physician · Tinley Park, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Asad Zaman, M.D. is a Internal Medicine Physician provider in Tinley Park, IL (NPI 1780636944).
Provider details
- NPI number
- 1780636944
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-090371 (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
20 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 · 309 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 1,998 | 343 |
| Furosemide | 1,290 | 230 |
| Apixabanbrand: Eliquis | 1,257 | 130 |
| Levothyroxine Sodium | 1,141 | 203 |
| Gabapentin | 975 | 157 |
| Potassium Chloride | 954 | 186 |
| Amlodipine Besylate | 864 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-16
- Last updated
- 2011-12-07
Frequently asked questions
- What is Asad Zaman's NPI number?
- Asad Zaman's National Provider Identifier (NPI) is 1780636944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Asad Zaman's specialty?
- Asad Zaman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Asad Zaman located?
- Asad Zaman's practice location on file with NPPES is 6700 167th St, Tinley Park, IL 60477-2859.
- What is Asad Zaman's phone number?
- The practice phone number listed in the NPPES registry for Asad Zaman is (708) 429-3700.
- Does Asad Zaman accept Medicare?
- Asad Zaman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Asad Zaman's NPI active?
- Yes — Asad Zaman's NPI (1780636944) is active in the NPPES registry as of the last update on 2011-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.