IndividualActive
Gregory Martonick, M.D.
NPI 1689758195 · Allergy Physician · Walla Walla, WA
Gregory Martonick, M.D. is a Allergy Physician provider in Walla Walla, WA (NPI 1689758195).
Provider details
- NPI number
- 1689758195
- Entity type
- Individual
- Primary specialty
- Allergy PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 252-09-0018690 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
320 W Willow St Ste 6
Walla Walla, WA 99362-2922
Phone: (509) 525-4840
Fax: (509) 529-7355
Street-level locationGet directions
Mailing address
Po Box 1793
Walla Walla, WA 99362-0351
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Martonick's NPI number?
- Gregory Martonick's National Provider Identifier (NPI) is 1689758195, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Martonick's specialty?
- Gregory Martonick is listed in the NPPES registry with a primary specialty of Allergy Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Martonick located?
- Gregory Martonick's practice location on file with NPPES is 320 W Willow St Ste 6, Walla Walla, WA 99362-2922.
- What is Gregory Martonick's phone number?
- The practice phone number listed in the NPPES registry for Gregory Martonick is (509) 525-4840.
- Is Gregory Martonick's NPI active?
- Yes — Gregory Martonick's NPI (1689758195) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.