Carl Magnussen, MD
NPI 1639125651 · Internal Medicine Physician · Rochester, NY
Carl Magnussen, MD is a Internal Medicine Physician provider in Rochester, NY (NPI 1639125651).
Provider details
- NPI number
- 1639125651
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- 122394 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
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
- 2006-05-25
- Last updated
- 2025-09-11
Frequently asked questions
- What is Carl Magnussen's NPI number?
- Carl Magnussen's National Provider Identifier (NPI) is 1639125651, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Carl Magnussen's specialty?
- Carl Magnussen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Carl Magnussen located?
- Carl Magnussen's practice location on file with NPPES is 1000 S Ave, Rochester, NY 14620-2733.
- What is Carl Magnussen's phone number?
- The practice phone number listed in the NPPES registry for Carl Magnussen is (585) 341-6867.
- Is Carl Magnussen's NPI active?
- Yes — Carl Magnussen's NPI (1639125651) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.