David Merz, MD, PHD
NPI 1598725640 · Infectious Disease Physician · Portland, OR
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Merz, MD, PHD is a Infectious Disease Physician provider in Portland, OR (NPI 1598725640).
Provider details
- NPI number
- 1598725640
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 29529 (SC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 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 (1)
- 1414 W Fair AveSuite 344Marquette, MI 49855-2675Phone: (906) 225-3910Fax: (906) 225-7498
Registry dates
- Enumerated
- 2006-03-24
- Last updated
- 2021-09-14
- Certified
- 2021-09-14
Frequently asked questions
- What is David Merz's NPI number?
- David Merz's National Provider Identifier (NPI) is 1598725640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Merz's specialty?
- David Merz is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is David Merz located?
- David Merz's practice location on file with NPPES is 10201 Se Main St Ste 29, Portland, OR 97216-2937.
- What is David Merz's phone number?
- The practice phone number listed in the NPPES registry for David Merz is (503) 261-6028.
- Does David Merz accept Medicare?
- David Merz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Merz's NPI active?
- Yes — David Merz's NPI (1598725640) is active in the NPPES registry as of the last update on 2021-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.