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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. CARL RICHARD MAGNUSSEN MD
NPI 1639125651
Internal Medicine in Rochester, NY

Active since May 25, 2006
1000 S AVE, ROCHESTER, NY 14620(585) 341-6867(585) 341-8205 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025 (2 updates tracked since 2025).

About Dr. Carl Richard Magnussen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. CARL RICHARD MAGNUSSEN MD (NPI 1639125651) is an individual internal medicine provider in Rochester, New York, licensed in New York (122394) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1639125651
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CARL RICHARD MAGNUSSENCredential: MD
Location Address1000 S AVERochester, NY 14620-2733
Mailing AddressBox 57, 1000 S AveRochester, NY 14620-2733 · (585) 341-6867 · Fax (585) 341-8205
Phone(585) 341-6867
Fax(585) 341-8205
Sole ProprietorNo
Enumeration DateMay 25, 2006
Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration
✔ NPI 1639125651 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 122394
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License 122394 (NY)
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 122394 (NY)
1000 S AVE, Rochester, NY 14620
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Other Identifiers 2

Medicaid00456271NY
Other1007058YNY · Preferred Care

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Carl Magnussen's NPI number?

The NPI number for Carl Magnussen is 1639125651. It was assigned to this individual provider in the NPPES registry on May 25, 2006.

Where is Carl Magnussen located?

Carl Magnussen practices at 1000 S Ave, Rochester, NY 14620. The listed phone number is (585) 341-6867.

What is Carl Magnussen's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Carl Magnussen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.