Mack Sullivan, M.D.
NPI 1881616068 · Physical Medicine & Rehabilitation Physician · Eastchester, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mack Sullivan, M.D. is a Physical Medicine & Rehabilitation Physician provider in Eastchester, NY (NPI 1881616068).
Provider details
- NPI number
- 1881616068
- Entity type
- Individual
- Primary specialty
- Physical Medicine & Rehabilitation PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 203477 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
2,699 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) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 645 | $23 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 448 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 197 | $100 |
| Therapy Procedure Using Functional Activities97530 | 156 | $39 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 150 | $27 |
| Therapy Procedure for Walking Training, Each 15 Minutes97116 | 149 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 219 | 128 |
| Alprazolam | 109 | 25 |
| Amlodipine Besylate | 92 | 26 |
| Lisinopril | 92 | 21 |
| Ciprofloxacin Hcl | 86 | 59 |
| Metformin Hcl | 84 | 24 |
| Atorvastatin Calcium | 72 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-24
- Last updated
- 2026-01-01
- Certified
- 2026-01-01
Frequently asked questions
- What is Mack Sullivan's NPI number?
- Mack Sullivan's National Provider Identifier (NPI) is 1881616068, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mack Sullivan's specialty?
- Mack Sullivan is listed in the NPPES registry with a primary specialty of Physical Medicine & Rehabilitation Physician (Allopathic & Osteopathic Physicians).
- Where is Mack Sullivan located?
- Mack Sullivan's practice location on file with NPPES is 369 White Plains Rd, Eastchester, NY 10709-2805.
- What is Mack Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Mack Sullivan is (914) 395-3691.
- Does Mack Sullivan accept Medicare?
- Mack Sullivan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mack Sullivan's NPI active?
- Yes — Mack Sullivan's NPI (1881616068) is active in the NPPES registry as of the last update on 2026-01-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.