Don Singer, MD
NPI 1992828073 · Clinical Pathology/Laboratory Medicine Physician · Madison, WI
Don Singer, MD is a Clinical Pathology/Laboratory Medicine Physician provider in Madison, WI (NPI 1992828073).
Provider details
- NPI number
- 1992828073
- Entity type
- Individual
- Primary specialty
- Clinical Pathology/Laboratory Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C8440 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-04-06
- Last updated
- 2020-05-01
- Certified
- 2020-05-01
Frequently asked questions
- What is Don Singer's NPI number?
- Don Singer's National Provider Identifier (NPI) is 1992828073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Don Singer's specialty?
- Don Singer is listed in the NPPES registry with a primary specialty of Clinical Pathology/Laboratory Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Don Singer located?
- Don Singer's practice location on file with NPPES is 533 W Main St, Madison, WI 53703-4730.
- What is Don Singer's phone number?
- The practice phone number listed in the NPPES registry for Don Singer is (608) 251-0240.
- Is Don Singer's NPI active?
- Yes — Don Singer's NPI (1992828073) is active in the NPPES registry as of the last update on 2020-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.