Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CARL C HOYLER M.D.
NPI 1194751487
Internal Medicine in Princeton, NJ

Active since June 25, 2006
3626 ROUTE 1 N, PRINCETON, NJ 08540(609) 243-0445(609) 452-7577 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Carl C Hoyler M.d. NPPES

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

CARL C HOYLER M.D. (NPI 1194751487) is an individual internal medicine provider in Princeton, New Jersey, licensed in New Jersey (MA022708) and active in the NPI registry since June 2006.

NPPES Registry Identity

NPI1194751487
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCARL C HOYLERCredential: M.D.
Location Address3626 ROUTE 1 NPrinceton, NJ 08540-5922
Mailing Address253 Witherspoon StPrinceton, NJ 08540-3211 · (609) 924-5753 · Fax (609) 924-9705
Fax(609) 452-7577
Sole ProprietorNo
Enumeration DateJune 25, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1194751487 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in NJ · MA022708
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.
3626 ROUTE 1 N, Princeton, NJ 08540

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
3626 ROUTE 1 N
PRINCETON, NJ 08540
Internal Medicine
3626 ROUTE 1 N
PRINCETON, NJ 08540
Nurse Practitioner (Family)
3626 ROUTE 1 N
PRINCETON, NJ 08540
Internal Medicine
3626 ROUTE 1 N
PRINCETON, NJ 08540
Nurse Practitioner (Primary Care)
3626 ROUTE 1 N
PRINCETON, NJ 08540
Nurse Practitioner
3626 ROUTE 1 N
PRINCETON, NJ 08540
Physician Assistant
3626 ROUTE 1 N
PRINCETON, NJ 08540
Physician Assistant
3626 ROUTE 1 N
PRINCETON, NJ 08540

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 Hoyler's NPI number?

The NPI number for Carl Hoyler is 1194751487. It was assigned to this individual provider in the NPPES registry on June 25, 2006.

Where is Carl Hoyler located?

Carl Hoyler practices at 3626 Route 1 N, Princeton, NJ 08540. The listed phone number is (609) 243-0445.

What is Carl Hoyler'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 Hoyler was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.