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John Jendrzejewski, MD
NPI 1225034911 · Gastroenterology Physician · Portland, OR
John Jendrzejewski, MD is a Gastroenterology Physician provider in Portland, OR (NPI 1225034911).
Provider details
- NPI number
- 1225034911
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD09971 (OR)
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
21 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
9701 Sw Barnes Rd
Ste 300
Portland, OR 97225-6689
Phone: (503) 297-8081
Fax: (503) 292-6601
Street-level locationGet directions
Mailing address
9701 Sw Barnes Rd
Portland, OR 97225-6689
Registry dates
- Enumerated
- 2005-06-27
- Last updated
- 2008-01-15
Frequently asked questions
- What is John Jendrzejewski's NPI number?
- John Jendrzejewski's National Provider Identifier (NPI) is 1225034911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Jendrzejewski's specialty?
- John Jendrzejewski is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Jendrzejewski located?
- John Jendrzejewski's practice location on file with NPPES is 9701 Sw Barnes Rd, Portland, OR 97225-6689.
- What is John Jendrzejewski's phone number?
- The practice phone number listed in the NPPES registry for John Jendrzejewski is (503) 297-8081.
- Is John Jendrzejewski's NPI active?
- Yes — John Jendrzejewski's NPI (1225034911) is active in the NPPES registry as of the last update on 2008-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.