James Spiess, MD
NPI 1568573988 · Internal Medicine Physician · Boise, ID
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Spiess, MD is a Internal Medicine Physician provider in Boise, ID (NPI 1568573988).
Provider details
- NPI number
- 1568573988
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ML20007994 (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
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
- 2006-08-31
- Last updated
- 2022-07-19
- Certified
- 2022-07-19
Frequently asked questions
- What is James Spiess's NPI number?
- James Spiess's National Provider Identifier (NPI) is 1568573988, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Spiess's specialty?
- James Spiess is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Spiess located?
- James Spiess's practice location on file with NPPES is 500 W Fort St, Boise, ID 83702-4501.
- What is James Spiess's phone number?
- The practice phone number listed in the NPPES registry for James Spiess is (208) 422-1325.
- Does James Spiess accept Medicare?
- James Spiess is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Spiess's NPI active?
- Yes — James Spiess's NPI (1568573988) is active in the NPPES registry as of the last update on 2022-07-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.