Martin Walko, M.D.
NPI 1104837178 · Surgery Physician · Derry, NH
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martin Walko, M.D. is a Surgery Physician provider in Derry, NH (NPI 1104837178).
Provider details
- NPI number
- 1104837178
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD061845L (PA)
Specialties & taxonomies
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
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
- 2006-08-11
- Last updated
- 2022-01-28
Frequently asked questions
- What is Martin Walko's NPI number?
- Martin Walko's National Provider Identifier (NPI) is 1104837178, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martin Walko's specialty?
- Martin Walko is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Martin Walko located?
- Martin Walko's practice location on file with NPPES is 6 Tsienneto Rd, Derry, NH 03038-1584.
- What is Martin Walko's phone number?
- The practice phone number listed in the NPPES registry for Martin Walko is (603) 434-7444.
- Does Martin Walko accept Medicare?
- Martin Walko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martin Walko's NPI active?
- Yes — Martin Walko's NPI (1104837178) is active in the NPPES registry as of the last update on 2022-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.