Ammar Nasrallah, MD
NPI 1700841566 · Infectious Disease Physician · Madison, WI
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ammar Nasrallah, MD is a Infectious Disease Physician provider in Madison, WI (NPI 1700841566).
Provider details
- NPI number
- 1700841566
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 53775-020 (WI)
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
1,329 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) |
|---|---|---|
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 282 | $58 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 133 | $110 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 131 | $120 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 122 | $120 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 103 | $14 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 92 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Entecavir | 41 | — |
| Cephalexin | 32 | — |
| Amoxicillin | 30 | 12 |
| Vancomycin Hcl | 30 | 12 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 27 | — |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 26 | — |
| Ceftriaxone Sodiumbrand: Ceftriaxone | 24 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-17
- Last updated
- 2020-10-21
- Certified
- 2020-10-21
Frequently asked questions
- What is Ammar Nasrallah's NPI number?
- Ammar Nasrallah's National Provider Identifier (NPI) is 1700841566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ammar Nasrallah's specialty?
- Ammar Nasrallah is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Ammar Nasrallah located?
- Ammar Nasrallah's practice location on file with NPPES is 1313 Fish Hatchery Rd, Madison, WI 53715-1911.
- What is Ammar Nasrallah's phone number?
- The practice phone number listed in the NPPES registry for Ammar Nasrallah is (608) 252-8000.
- Does Ammar Nasrallah accept Medicare?
- Ammar Nasrallah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ammar Nasrallah's NPI active?
- Yes — Ammar Nasrallah's NPI (1700841566) is active in the NPPES registry as of the last update on 2020-10-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.