Michael Johnson, MD
NPI 1841274495 · Hematology & Oncology Physician · Longmont, CO
Michael Johnson, MD is a Hematology & Oncology Physician provider in Longmont, CO (NPI 1841274495).
Provider details
- NPI number
- 1841274495
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 29384 (CO)
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
20 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
- 2005-12-06
- Last updated
- 2011-07-15
Frequently asked questions
- What is Michael Johnson's NPI number?
- Michael Johnson's National Provider Identifier (NPI) is 1841274495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Johnson's specialty?
- Michael Johnson is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Johnson located?
- Michael Johnson's practice location on file with NPPES is 2030 Mountain View Ave, Longmont, CO 80501-3178.
- What is Michael Johnson's phone number?
- The practice phone number listed in the NPPES registry for Michael Johnson is (303) 684-1900.
- Is Michael Johnson's NPI active?
- Yes — Michael Johnson's NPI (1841274495) is active in the NPPES registry as of the last update on 2011-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.