Zaheer Ahmed, M.D.
NPI 1346289337 · Internal Medicine Physician · Lowell, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zaheer Ahmed, M.D. is a Internal Medicine Physician provider in Lowell, MA (NPI 1346289337).
Provider details
- NPI number
- 1346289337
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 78742 (MA)
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
1,834 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 617 | $79 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 520 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 343 | $80 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 108 | $192 |
| Physician Or Allowed Practitioner Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians andG0180 | 105 | $59 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 149 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 815 | 174 |
| Lisinopril | 541 | 118 |
| Metoprolol Succinate | 407 | 86 |
| Amlodipine Besylate | 402 | 83 |
| Levothyroxine Sodium | 392 | 71 |
| Omeprazole | 365 | 102 |
| Furosemide | 339 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$228 across 11 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
- 2006-06-05
- Last updated
- 2008-06-13
Frequently asked questions
- What is Zaheer Ahmed's NPI number?
- Zaheer Ahmed's National Provider Identifier (NPI) is 1346289337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zaheer Ahmed's specialty?
- Zaheer Ahmed is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zaheer Ahmed located?
- Zaheer Ahmed's practice location on file with NPPES is 33 Bartlett St, Lowell, MA 01852-1334.
- What is Zaheer Ahmed's phone number?
- The practice phone number listed in the NPPES registry for Zaheer Ahmed is (978) 458-7000.
- Does Zaheer Ahmed accept Medicare?
- Zaheer Ahmed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zaheer Ahmed's NPI active?
- Yes — Zaheer Ahmed's NPI (1346289337) is active in the NPPES registry as of the last update on 2008-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.