William Kerr, MD
NPI 1871681353 · General Practice Physician · Wainscott, NY
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Kerr, MD is a General Practice Physician provider in Wainscott, NY (NPI 1871681353).
Provider details
- NPI number
- 1871681353
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 183802 (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
1,045 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 353 | $150 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 324 | $107 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 249 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 89 | $154 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 30 | $17 |
Typical Medicare-allowed amounts for these services range $9–$154 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 89 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 249 | 84 |
| Levothyroxine Sodium | 202 | 60 |
| Amlodipine Besylate | 151 | 51 |
| Doxycycline Hyclate | 135 | 108 |
| Zolpidem Tartrate | 117 | 28 |
| Lisinopril | 111 | 34 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-10
- Last updated
- 2016-05-10
Frequently asked questions
- What is William Kerr's NPI number?
- William Kerr's National Provider Identifier (NPI) is 1871681353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kerr's specialty?
- William Kerr is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is William Kerr located?
- William Kerr's practice location on file with NPPES is 83 Wainscott Northwest Rd, Wainscott, NY 11975-2003.
- What is William Kerr's phone number?
- The practice phone number listed in the NPPES registry for William Kerr is (631) 537-1892.
- Does William Kerr accept Medicare?
- William Kerr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Kerr's NPI active?
- Yes — William Kerr's NPI (1871681353) is active in the NPPES registry as of the last update on 2016-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.