IndividualActive
Hartmut Koelsch, MD
NPI 1881699551 · Internal Medicine Physician · Longmont, CO
Hartmut Koelsch, MD is a Internal Medicine Physician provider in Longmont, CO (NPI 1881699551).
Provider details
- NPI number
- 1881699551
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 21911 (CO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 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
1925 W Mountain View Ave
Longmont, CO 80501-3128
Phone: (303) 776-1234
Fax: (720) 494-3107
Street-level locationGet directions
Mailing address
1925 W Mountain View Ave
Longmont, CO 80501-3128
Registry dates
- Enumerated
- 2005-06-17
- Last updated
- 2007-07-08
Frequently asked questions
- What is Hartmut Koelsch's NPI number?
- Hartmut Koelsch's National Provider Identifier (NPI) is 1881699551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hartmut Koelsch's specialty?
- Hartmut Koelsch is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hartmut Koelsch located?
- Hartmut Koelsch's practice location on file with NPPES is 1925 W Mountain View Ave, Longmont, CO 80501-3128.
- What is Hartmut Koelsch's phone number?
- The practice phone number listed in the NPPES registry for Hartmut Koelsch is (303) 776-1234.
- Is Hartmut Koelsch's NPI active?
- Yes — Hartmut Koelsch's NPI (1881699551) 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.