Mark Gunning, MD
NPI 1255388914 · Nephrology Physician · Everett, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Gunning, MD is a Nephrology Physician provider in Everett, WA (NPI 1255388914).
Provider details
- NPI number
- 1255388914
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00043252 (WA)
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
20 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
- 2006-05-28
- Last updated
- 2014-02-06
Frequently asked questions
- What is Mark Gunning's NPI number?
- Mark Gunning's National Provider Identifier (NPI) is 1255388914, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Gunning's specialty?
- Mark Gunning is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Gunning located?
- Mark Gunning's practice location on file with NPPES is 1330 Rockefeller Ave, Everett, WA 98201-1684.
- What is Mark Gunning's phone number?
- The practice phone number listed in the NPPES registry for Mark Gunning is (425) 258-6801.
- Does Mark Gunning accept Medicare?
- Mark Gunning is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Gunning's NPI active?
- Yes — Mark Gunning's NPI (1255388914) is active in the NPPES registry as of the last update on 2014-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.