Russell Tontz, M.D.
NPI 1295930261 · Occupational Medicine Physician · Somerville, MA
Russell Tontz, M.D. is a Occupational Medicine Physician provider in Somerville, MA (NPI 1295930261).
Provider details
- NPI number
- 1295930261
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 64408 (MN)
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 tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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
Additional practice locations (2)
- 155 N Fresno StFresno, CA 93701-2302Phone: (559) 499-6450
- 1025 Marsh StMankato, MN 56001-4752Phone: (507) 625-4031
Registry dates
- Enumerated
- 2007-06-19
- Last updated
- 2023-11-20
- Certified
- 2023-11-20
Frequently asked questions
- What is Russell Tontz's NPI number?
- Russell Tontz's National Provider Identifier (NPI) is 1295930261, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Russell Tontz's specialty?
- Russell Tontz is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Russell Tontz located?
- Russell Tontz's practice location on file with NPPES is 5 Middlesex Ave, Somerville, MA 02145-1102.
- What is Russell Tontz's phone number?
- The practice phone number listed in the NPPES registry for Russell Tontz is (617) 665-1000.
- Is Russell Tontz's NPI active?
- Yes — Russell Tontz's NPI (1295930261) is active in the NPPES registry as of the last update on 2023-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.