Mark Vonnegut, MD
NPI 1295757268 · Pediatric Adolescent Medicine Physician · Quincy, MA
Mark Vonnegut, MD is a Pediatric Adolescent Medicine Physician provider in Quincy, MA (NPI 1295757268).
Provider details
- NPI number
- 1295757268
- Entity type
- Individual
- Primary specialty
- Pediatric Adolescent Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 49135 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Vonnegut's NPI number?
- Mark Vonnegut's National Provider Identifier (NPI) is 1295757268, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Vonnegut's specialty?
- Mark Vonnegut is listed in the NPPES registry with a primary specialty of Pediatric Adolescent Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Vonnegut located?
- Mark Vonnegut's practice location on file with NPPES is 21 Totman Street #2, Quincy, MA 02169.
- What is Mark Vonnegut's phone number?
- The practice phone number listed in the NPPES registry for Mark Vonnegut is (617) 745-0050.
- Is Mark Vonnegut's NPI active?
- Yes — Mark Vonnegut's NPI (1295757268) 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.