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Mark Dershwitz, MD
NPI 1710977855 · Anesthesiology Physician · Worcester, MA
Mark Dershwitz, MD is a Anesthesiology Physician provider in Worcester, MA (NPI 1710977855).
Provider details
- NPI number
- 1710977855
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 53237 (MA)
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
55 Lake Ave N
Department of Anesthesiology
Worcester, MA 01655-0002
Phone: (508) 334-3271
Fax: (508) 856-5911
Street-level locationGet directions
Mailing address
Po Box 415348
Boston, MA 02241-5348
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2023-02-09
- Certified
- 2023-02-09
Frequently asked questions
- What is Mark Dershwitz's NPI number?
- Mark Dershwitz's National Provider Identifier (NPI) is 1710977855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Dershwitz's specialty?
- Mark Dershwitz is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Dershwitz located?
- Mark Dershwitz's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Mark Dershwitz's phone number?
- The practice phone number listed in the NPPES registry for Mark Dershwitz is (508) 334-3271.
- Is Mark Dershwitz's NPI active?
- Yes — Mark Dershwitz's NPI (1710977855) is active in the NPPES registry as of the last update on 2023-02-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.