Mark Hilmy, M.D.
NPI 1427584572 · Internal Medicine Physician · Yonkers, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Hilmy, M.D. is a Internal Medicine Physician provider in Yonkers, NY (NPI 1427584572).
Provider details
- NPI number
- 1427584572
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 61111834 (WA)
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
9 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
1,279 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 495 | $116 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 375 | $77 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 180 | $112 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 109 | $169 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 81 | $48 |
| Critical Care, First 30-74 Minutes99291 | 26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 18 | 18 |
| Pantoprazole Sodium | 15 | — |
| Amlodipine Besylate | 14 | 12 |
| Prednisone | 14 | 14 |
| Metoprolol Succinate | 13 | 13 |
| Montelukast Sodium | 13 | — |
| Buspirone Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-05-11
- Last updated
- 2022-09-28
- Certified
- 2022-09-28
Frequently asked questions
- What is Mark Hilmy's NPI number?
- Mark Hilmy's National Provider Identifier (NPI) is 1427584572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Hilmy's specialty?
- Mark Hilmy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Hilmy located?
- Mark Hilmy's practice location on file with NPPES is 967 N Broadway, Yonkers, NY 10701-1301.
- What is Mark Hilmy's phone number?
- The practice phone number listed in the NPPES registry for Mark Hilmy is (914) 964-4444.
- Does Mark Hilmy accept Medicare?
- Mark Hilmy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Hilmy's NPI active?
- Yes — Mark Hilmy's NPI (1427584572) is active in the NPPES registry as of the last update on 2022-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.