Howard Knapp, MD
NPI 1861413148 · Internal Medicine Physician · Billings, MT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Howard Knapp, MD is a Internal Medicine Physician provider in Billings, MT (NPI 1861413148).
Provider details
- NPI number
- 1861413148
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 9526 (MT)
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
- 2006-07-21
- Last updated
- 2008-02-23
Frequently asked questions
- What is Howard Knapp's NPI number?
- Howard Knapp's National Provider Identifier (NPI) is 1861413148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Knapp's specialty?
- Howard Knapp is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Howard Knapp located?
- Howard Knapp's practice location on file with NPPES is 1045 N 30th St, Billings, MT 59101-0733.
- What is Howard Knapp's phone number?
- The practice phone number listed in the NPPES registry for Howard Knapp is (406) 255-8470.
- Does Howard Knapp accept Medicare?
- Howard Knapp is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Howard Knapp's NPI active?
- Yes — Howard Knapp's NPI (1861413148) is active in the NPPES registry as of the last update on 2008-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.