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John Martsolf, MD
NPI 1497842595 · Ph.D. Medical Genetics · Grand Forks, ND
John Martsolf, MD is a Ph.D. Medical Genetics provider in Grand Forks, ND (NPI 1497842595).
Provider details
- NPI number
- 1497842595
- Entity type
- Individual
- Primary specialty
- Ph.D. Medical GeneticsOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 4096 (ND)
Specialties & taxonomies
Other Service Providers
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
19 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
501 N Columbia Rd
Grand Forks, ND 58202-6094
Phone: (701) 777-4276
Street-level locationGet directions
Mailing address
Po Box 6002
Grand Forks, ND 58206-6002
Registry dates
- Enumerated
- 2006-10-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is John Martsolf's NPI number?
- John Martsolf's National Provider Identifier (NPI) is 1497842595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Martsolf's specialty?
- John Martsolf is listed in the NPPES registry with a primary specialty of Ph.D. Medical Genetics (Other Service Providers).
- Where is John Martsolf located?
- John Martsolf's practice location on file with NPPES is 501 N Columbia Rd, Grand Forks, ND 58202-6094.
- What is John Martsolf's phone number?
- The practice phone number listed in the NPPES registry for John Martsolf is (701) 777-4276.
- Is John Martsolf's NPI active?
- Yes — John Martsolf's NPI (1497842595) 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.