William Topkis, MD
NPI 1205881711 · Anesthesiology Physician · Mount Kisco, NY
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Topkis, MD is a Anesthesiology Physician provider in Mount Kisco, NY (NPI 1205881711).
Provider details
- NPI number
- 1205881711
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 193161 (NY)
Specialties & taxonomies
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
20 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
268 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) |
|---|---|---|
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 147 | $128 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 33 | $166 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 32 | $134 |
| Anesthesia for Lens Surgery00142 | 31 | $138 |
| Anesthesia for Injection, Drainage Or Aspiration Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01938 | 14 | $102 |
| Anesthesia for Procedure on Anus and Rectum00902 | 11 | $149 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2008-05-16
Frequently asked questions
- What is William Topkis's NPI number?
- William Topkis's National Provider Identifier (NPI) is 1205881711, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Topkis's specialty?
- William Topkis is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Topkis located?
- William Topkis's practice location on file with NPPES is 34 South Bedford Road, Mount Kisco, NY 10549.
- What is William Topkis's phone number?
- The practice phone number listed in the NPPES registry for William Topkis is (914) 244-6787.
- Does William Topkis accept Medicare?
- William Topkis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Topkis's NPI active?
- Yes — William Topkis's NPI (1205881711) is active in the NPPES registry as of the last update on 2008-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.