Marc Drezner, MD
NPI 1326015058 · Endocrinology, Diabetes & Metabolism Physician · Madison, WI
Marc Drezner, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Madison, WI (NPI 1326015058).
Provider details
- NPI number
- 1326015058
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 41959 (WI)
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
- 2006-03-01
- Last updated
- 2009-02-02
Frequently asked questions
- What is Marc Drezner's NPI number?
- Marc Drezner's National Provider Identifier (NPI) is 1326015058, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Drezner's specialty?
- Marc Drezner is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Drezner located?
- Marc Drezner's practice location on file with NPPES is 451 Junction Rd, Madison, WI 53717.
- What is Marc Drezner's phone number?
- The practice phone number listed in the NPPES registry for Marc Drezner is (608) 263-5010.
- Is Marc Drezner's NPI active?
- Yes — Marc Drezner's NPI (1326015058) is active in the NPPES registry as of the last update on 2009-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.