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Jonathan Grier, M.D.
NPI 1326199035 · Gastroenterology Physician · Altoona, PA
Jonathan Grier, M.D. is a Gastroenterology Physician provider in Altoona, PA (NPI 1326199035).
Provider details
- NPI number
- 1326199035
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD056197L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
2525 9th Ave
Suite 2 a
Altoona, PA 16602-2014
Phone: (814) 941-7170
Fax: (814) 941-7427
Street-level locationGet directions
Mailing address
2525 9th Ave
Altoona, PA 16602-2014
Registry dates
- Enumerated
- 2007-01-16
- Last updated
- 2008-03-05
Frequently asked questions
- What is Jonathan Grier's NPI number?
- Jonathan Grier's National Provider Identifier (NPI) is 1326199035, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Grier's specialty?
- Jonathan Grier is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Grier located?
- Jonathan Grier's practice location on file with NPPES is 2525 9th Ave, Altoona, PA 16602-2014.
- What is Jonathan Grier's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Grier is (814) 941-7170.
- Is Jonathan Grier's NPI active?
- Yes — Jonathan Grier's NPI (1326199035) is active in the NPPES registry as of the last update on 2008-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.