Zafar Ahmed, MD
NPI 1700872272 · Internal Medicine Physician · Crestwood, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zafar Ahmed, MD is a Internal Medicine Physician provider in Crestwood, IL (NPI 1700872272).
Provider details
- NPI number
- 1700872272
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-089465 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
744 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 | 383 | $132 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 87 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 81 | $133 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 76 | $94 |
| Hemoglobin A1c Level83036 | 48 | $10 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 21 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 142 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 639 | 193 |
| Amlodipine Besylate | 573 | 170 |
| Losartan Potassium | 328 | 103 |
| Gabapentin | 288 | 88 |
| Hydrochlorothiazide | 285 | 93 |
| Metformin Hcl | 280 | 81 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$181 across 4 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
Registry dates
- Enumerated
- 2005-09-21
- Last updated
- 2015-05-13
Frequently asked questions
- What is Zafar Ahmed's NPI number?
- Zafar Ahmed's National Provider Identifier (NPI) is 1700872272, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zafar Ahmed's specialty?
- Zafar Ahmed is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zafar Ahmed located?
- Zafar Ahmed's practice location on file with NPPES is 13755 Cicero Ave, Crestwood, IL 60445-1824.
- What is Zafar Ahmed's phone number?
- The practice phone number listed in the NPPES registry for Zafar Ahmed is (708) 385-2400.
- Does Zafar Ahmed accept Medicare?
- Zafar Ahmed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zafar Ahmed's NPI active?
- Yes — Zafar Ahmed's NPI (1700872272) is active in the NPPES registry as of the last update on 2015-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.