Mark Ilyagu, MD
NPI 1073994711 · Internal Medicine Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ilyagu, MD is a Internal Medicine Physician provider in Brooklyn, NY (NPI 1073994711).
Provider details
- NPI number
- 1073994711
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 295645 (NY)
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
11 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
2,258 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 Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 391 | $79 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 356 | $119 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 344 | $114 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 305 | $100 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 249 | $91 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 164 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 437 | 38 |
| Atorvastatin Calcium | 339 | 62 |
| Amlodipine Besylate | 232 | 47 |
| Levothyroxine Sodium | 228 | 39 |
| Pantoprazole Sodium | 208 | 35 |
| Gabapentin | 204 | 37 |
| Mirtazapine |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-06-17
- Last updated
- 2025-04-02
- Certified
- 2025-04-02
Frequently asked questions
- What is Mark Ilyagu's NPI number?
- Mark Ilyagu's National Provider Identifier (NPI) is 1073994711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ilyagu's specialty?
- Mark Ilyagu is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ilyagu located?
- Mark Ilyagu's practice location on file with NPPES is 2183a Ralph Ave, Brooklyn, NY 11234-5405.
- What is Mark Ilyagu's phone number?
- The practice phone number listed in the NPPES registry for Mark Ilyagu is (717) 716-7107.
- Does Mark Ilyagu accept Medicare?
- Mark Ilyagu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ilyagu's NPI active?
- Yes — Mark Ilyagu's NPI (1073994711) is active in the NPPES registry as of the last update on 2025-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.