Margaret Vaughan, MD
NPI 1063594760 · Internal Medicine Physician · Katonah, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Vaughan, MD is a Internal Medicine Physician provider in Katonah, NY (NPI 1063594760).
Provider details
- NPI number
- 1063594760
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 215939 (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
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
1,110 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 91 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 81 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 80 | $8 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 76 | $145 |
| Cyanocobalamin (vitamin B-12) Level82607 | 75 | $15 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 71 | $13 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 271 | 103 |
| Amlodipine Besylate | 231 | 80 |
| Metoprolol Succinate | 126 | 42 |
| Losartan Potassium | 121 | 43 |
| Lisinopril | 110 | 35 |
| Simvastatin | 99 | 33 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-20
- Last updated
- 2025-01-21
- Certified
- 2025-01-21
Frequently asked questions
- What is Margaret Vaughan's NPI number?
- Margaret Vaughan's National Provider Identifier (NPI) is 1063594760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Vaughan's specialty?
- Margaret Vaughan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Vaughan located?
- Margaret Vaughan's practice location on file with NPPES is 111 Bedford Rd, Katonah, NY 10536-2115.
- What is Margaret Vaughan's phone number?
- The practice phone number listed in the NPPES registry for Margaret Vaughan is (914) 241-1050.
- Does Margaret Vaughan accept Medicare?
- Margaret Vaughan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Vaughan's NPI active?
- Yes — Margaret Vaughan's NPI (1063594760) is active in the NPPES registry as of the last update on 2025-01-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.