Omer Afzal, M.D.
NPI 1952393944 · Nephrology Physician · Waukesha, WI
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Omer Afzal, M.D. is a Nephrology Physician provider in Waukesha, WI (NPI 1952393944).
Provider details
- NPI number
- 1952393944
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 45209 (WI)
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
1,413 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 376 | $100 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 263 | $329 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 236 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 158 | $69 |
| Home Dialysis Services Per Month (20 Years Or Older)90966 | 142 | $251 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 49 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 215 | 92 |
| Amlodipine Besylate | 180 | 75 |
| Losartan Potassium | 172 | 64 |
| Sevelamer Carbonate | 149 | 54 |
| Calcitriol | 133 | 55 |
| Hydralazine Hcl | 133 | 53 |
| Doxazosin Mesylate | 103 | 37 |
| Sucroferric Oxyhydroxide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$16 across 1 record (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
- 2005-08-17
- Last updated
- 2021-12-07
- Certified
- 2021-12-07
Frequently asked questions
- What is Omer Afzal's NPI number?
- Omer Afzal's National Provider Identifier (NPI) is 1952393944, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Omer Afzal's specialty?
- Omer Afzal is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Omer Afzal located?
- Omer Afzal's practice location on file with NPPES is 111 Ann Street, Waukesha, WI 53188.
- What is Omer Afzal's phone number?
- The practice phone number listed in the NPPES registry for Omer Afzal is (262) 542-6179.
- Does Omer Afzal accept Medicare?
- Omer Afzal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Omer Afzal's NPI active?
- Yes — Omer Afzal's NPI (1952393944) is active in the NPPES registry as of the last update on 2021-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.