Nazneen Ahmed, MD
NPI 1215926621 · Internal Medicine Physician · Bloomingdale, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nazneen Ahmed, MD is a Internal Medicine Physician provider in Bloomingdale, IL (NPI 1215926621).
Provider details
- NPI number
- 1215926621
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036-098865 (IL)
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
20 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
2,155 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 497 | $131 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 291 | $9 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 261 | $94 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 216 | $17 |
| Advance Care Planning, First 30 Minutes99497 | 157 | $84 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 574 | 166 |
| Levothyroxine Sodium | 379 | 96 |
| Losartan Potassium | 333 | 103 |
| Metformin Hcl | 282 | 82 |
| Metoprolol Succinate | 251 | 77 |
| Amlodipine Besylate | 231 | 72 |
| Fluticasone Propionate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-18
- Last updated
- 2025-11-04
- Certified
- 2025-11-04
Frequently asked questions
- What is Nazneen Ahmed's NPI number?
- Nazneen Ahmed's National Provider Identifier (NPI) is 1215926621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nazneen Ahmed's specialty?
- Nazneen Ahmed is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nazneen Ahmed located?
- Nazneen Ahmed's practice location on file with NPPES is 233 S Gary Ave, Bloomingdale, IL 60108-2213.
- What is Nazneen Ahmed's phone number?
- The practice phone number listed in the NPPES registry for Nazneen Ahmed is (630) 924-4009.
- Does Nazneen Ahmed accept Medicare?
- Nazneen Ahmed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nazneen Ahmed's NPI active?
- Yes — Nazneen Ahmed's NPI (1215926621) is active in the NPPES registry as of the last update on 2025-11-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.