Donald Singer, M.D.
NPI 1568485647 · Anatomic Pathology & Clinical Pathology Physician · Longmont, CO
Donald Singer, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Longmont, CO (NPI 1568485647).
Provider details
- NPI number
- 1568485647
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 18880 (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
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
- 2006-07-26
- Last updated
- 2009-01-19
Frequently asked questions
- What is Donald Singer's NPI number?
- Donald Singer's National Provider Identifier (NPI) is 1568485647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donald Singer's specialty?
- Donald Singer is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Donald Singer located?
- Donald Singer's practice location on file with NPPES is 1625 Juniper St, Longmont, CO 80501-2552.
- What is Donald Singer's phone number?
- The practice phone number listed in the NPPES registry for Donald Singer is (303) 485-0977.
- Is Donald Singer's NPI active?
- Yes — Donald Singer's NPI (1568485647) is active in the NPPES registry as of the last update on 2009-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.