Robert Mertz, MD
NPI 1679651301 · Neonatal-Perinatal Medicine Physician · Seattle, WA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Mertz, MD is a Neonatal-Perinatal Medicine Physician provider in Seattle, WA (NPI 1679651301).
Provider details
- NPI number
- 1679651301
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A71623 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2007-12-05
Frequently asked questions
- What is Robert Mertz's NPI number?
- Robert Mertz's National Provider Identifier (NPI) is 1679651301, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mertz's specialty?
- Robert Mertz is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Mertz located?
- Robert Mertz's practice location on file with NPPES is 3626 Ne 45th St, Seattle, WA 98105-5652.
- What is Robert Mertz's phone number?
- The practice phone number listed in the NPPES registry for Robert Mertz is (206) 526-2600.
- Does Robert Mertz accept Medicare?
- Robert Mertz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Mertz's NPI active?
- Yes — Robert Mertz's NPI (1679651301) is active in the NPPES registry as of the last update on 2007-12-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.