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Jasen Gundersen, M.D.
NPI 1881677789 · Family Medicine Physician · Worcester, MA
Jasen Gundersen, M.D. is a Family Medicine Physician provider in Worcester, MA (NPI 1881677789).
Provider details
- NPI number
- 1881677789
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 212168 (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
119 Belmont St
Department of Family Hospital Medicine
Worcester, MA 01605-2903
Phone: (508) 334-5571
Street-level locationGet directions
Mailing address
Po Box 415348
Boston, MA 02241-5348
Registry dates
- Enumerated
- 2005-11-23
- Last updated
- 2009-12-07
Frequently asked questions
- What is Jasen Gundersen's NPI number?
- Jasen Gundersen's National Provider Identifier (NPI) is 1881677789, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jasen Gundersen's specialty?
- Jasen Gundersen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jasen Gundersen located?
- Jasen Gundersen's practice location on file with NPPES is 119 Belmont St, Worcester, MA 01605-2903.
- What is Jasen Gundersen's phone number?
- The practice phone number listed in the NPPES registry for Jasen Gundersen is (508) 334-5571.
- Is Jasen Gundersen's NPI active?
- Yes — Jasen Gundersen's NPI (1881677789) is active in the NPPES registry as of the last update on 2009-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.