Mark Macfarlane, MD
NPI 1881666931 · Surgery Physician · Issaquah, WA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Macfarlane, MD is a Surgery Physician provider in Issaquah, WA (NPI 1881666931).
Provider details
- NPI number
- 1881666931
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00034860 (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
- 2006-02-03
- Last updated
- 2015-07-01
Frequently asked questions
- What is Mark Macfarlane's NPI number?
- Mark Macfarlane's National Provider Identifier (NPI) is 1881666931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Macfarlane's specialty?
- Mark Macfarlane is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Macfarlane located?
- Mark Macfarlane's practice location on file with NPPES is 751 Ne Blakely Dr, Issaquah, WA 98029-6201.
- What is Mark Macfarlane's phone number?
- The practice phone number listed in the NPPES registry for Mark Macfarlane is (425) 313-7124.
- Does Mark Macfarlane accept Medicare?
- Mark Macfarlane is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Macfarlane's NPI active?
- Yes — Mark Macfarlane's NPI (1881666931) is active in the NPPES registry as of the last update on 2015-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.