Jacob Chaffee, MD
NPI 1811983562 · Family Medicine Physician · Grand Coulee, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jacob Chaffee, MD is a Family Medicine Physician provider in Grand Coulee, WA (NPI 1811983562).
Provider details
- NPI number
- 1811983562
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00042597 (WA)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 411 Fortuyn RdCoulee Community HospitalGrand Coulee, WA 99133-8718Phone: (509) 633-1753Fax: (509) 633-1930
Registry dates
- Enumerated
- 2005-09-27
- Last updated
- 2018-03-14
Frequently asked questions
- What is Jacob Chaffee's NPI number?
- Jacob Chaffee's National Provider Identifier (NPI) is 1811983562, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jacob Chaffee's specialty?
- Jacob Chaffee is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jacob Chaffee located?
- Jacob Chaffee's practice location on file with NPPES is 411 Fortuyn Rd, Grand Coulee, WA 99133-8718.
- What is Jacob Chaffee's phone number?
- The practice phone number listed in the NPPES registry for Jacob Chaffee is (509) 633-1753.
- Does Jacob Chaffee accept Medicare?
- Jacob Chaffee is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jacob Chaffee's NPI active?
- Yes — Jacob Chaffee's NPI (1811983562) is active in the NPPES registry as of the last update on 2018-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.