Ammar Alzoubi, MD
NPI 1598773152 · Internal Medicine Physician · Oshkosh, WI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ammar Alzoubi, MD is a Internal Medicine Physician provider in Oshkosh, WI (NPI 1598773152).
Provider details
- NPI number
- 1598773152
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 41241 (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
19 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
3,729 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) |
|---|---|---|
| Anticoagulant Management of Patient Taking Warfarin93793 | 1,226 | $11 |
| Blood Test, Clotting Time85610 | 775 | $4 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 354 | $119 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 270 | $7 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 221 | $121 |
| 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'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 173 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 819 | 195 |
| Amlodipine Besylate | 643 | 148 |
| Levothyroxine Sodium | 580 | 112 |
| Rosuvastatin Calcium | 569 | 142 |
| Omeprazole | 536 | 124 |
| Losartan Potassium | 524 | 128 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$71 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
- 2006-08-03
- Last updated
- 2023-03-07
- Certified
- 2021-11-19
Frequently asked questions
- What is Ammar Alzoubi's NPI number?
- Ammar Alzoubi's National Provider Identifier (NPI) is 1598773152, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ammar Alzoubi's specialty?
- Ammar Alzoubi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ammar Alzoubi located?
- Ammar Alzoubi's practice location on file with NPPES is 855 N Westhaven Dr, Oshkosh, WI 54904.
- What is Ammar Alzoubi's phone number?
- The practice phone number listed in the NPPES registry for Ammar Alzoubi is (920) 303-8700.
- Does Ammar Alzoubi accept Medicare?
- Ammar Alzoubi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ammar Alzoubi's NPI active?
- Yes — Ammar Alzoubi's NPI (1598773152) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.