William Schlesinger, M.D
NPI 1811921307 · Specialist · Great Neck, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Schlesinger, M.D is a Specialist provider in Great Neck, NY (NPI 1811921307).
Provider details
- NPI number
- 1811921307
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 195649 (NY)
Specialties & taxonomies
Other Service Providers
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
1,620 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 519 | $102 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 187 | $12 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $146 |
| X-Ray of Lower and Sacral Spine, 2-3 Views72100 | 138 | $47 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 97 | $342 |
| Ultrasonic Guidance for Needle Placement76942 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 100 | 23 |
| Gabapentin | 58 | 11 |
| Tramadol Hcl | 34 | 18 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 29 | 13 |
| Duloxetine Hcl | 26 | — |
| Fentanyl | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-10
- Last updated
- 2014-10-14
Frequently asked questions
- What is William Schlesinger's NPI number?
- William Schlesinger's National Provider Identifier (NPI) is 1811921307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Schlesinger's specialty?
- William Schlesinger is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is William Schlesinger located?
- William Schlesinger's practice location on file with NPPES is 170 Great Neck Rd, Great Neck, NY 11021-3337.
- What is William Schlesinger's phone number?
- The practice phone number listed in the NPPES registry for William Schlesinger is (516) 487-9140.
- Does William Schlesinger accept Medicare?
- William Schlesinger is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Schlesinger's NPI active?
- Yes — William Schlesinger's NPI (1811921307) is active in the NPPES registry as of the last update on 2014-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.