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John Messer, MD
NPI 1366555955 · Emergency Medicine Physician · Salem, OR
John Messer, MD is a Emergency Medicine Physician provider in Salem, OR (NPI 1366555955).
Provider details
- NPI number
- 1366555955
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD10719 (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
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
665 Winter St Se
Salem, OR 97301-3919
Phone: (503) 561-5634
Street-level locationGet directions
Mailing address
Po Box 2505
Salem, OR 97308-2505
Registry dates
- Enumerated
- 2006-08-16
- Last updated
- 2007-12-19
Frequently asked questions
- What is John Messer's NPI number?
- John Messer's National Provider Identifier (NPI) is 1366555955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Messer's specialty?
- John Messer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Messer located?
- John Messer's practice location on file with NPPES is 665 Winter St Se, Salem, OR 97301-3919.
- What is John Messer's phone number?
- The practice phone number listed in the NPPES registry for John Messer is (503) 561-5634.
- Is John Messer's NPI active?
- Yes — John Messer's NPI (1366555955) is active in the NPPES registry as of the last update on 2007-12-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.