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William Tseng, MD
NPI 1861436305 · Anesthesiology Physician · Clifton Park, NY
William Tseng, MD is a Anesthesiology Physician provider in Clifton Park, NY (NPI 1861436305).
Provider details
- NPI number
- 1861436305
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MA033877 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
505 Old Harbor Dr
Clifton Park, NY 12065-4391
Phone: (201) 637-0091
Street-level locationGet directions
Mailing address
605 Broad Ave
Ridgefield, NJ 07657-1697
Registry dates
- Enumerated
- 2006-06-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Tseng's NPI number?
- William Tseng's National Provider Identifier (NPI) is 1861436305, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Tseng's specialty?
- William Tseng is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is William Tseng located?
- William Tseng's practice location on file with NPPES is 505 Old Harbor Dr, Clifton Park, NY 12065-4391.
- What is William Tseng's phone number?
- The practice phone number listed in the NPPES registry for William Tseng is (201) 637-0091.
- Is William Tseng's NPI active?
- Yes — William Tseng's NPI (1861436305) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.