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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. FREDERICK S. SUNDERLIN JR. M.D.
NPI 1124076112
Internal Medicine - Endocrinology, Diabetes & Metabolism in Danville, PA

Active since May 04, 2006
100 N ACADEMY AVE, DANVILLE, PA 17822(570) 271-6028(570) 271-5845 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Frederick S. Sunderlin Jr. M.d. NPPES

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

DR. FREDERICK S. SUNDERLIN JR. M.D. (NPI 1124076112) is an individual endocrinology, diabetes & metabolism provider in Danville, Pennsylvania, licensed in Pennsylvania (MD016936E) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1124076112
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NameDR. FREDERICK S. SUNDERLIN JR.Credential: M.D.
Location Address100 N ACADEMY AVEDanville, PA 17822-1341
Mailing Address100 N Academy AveDanville, PA 17822-3034 · (570) 271-6144 · Fax (570) 271-6578
Phone(570) 271-6028
Fax(570) 271-5845
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1124076112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in PA · MD016936E
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
100 N ACADEMY AVE, Danville, PA 17822
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Other Providers at the Same Location NPPES 20

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

DR. TARA JEAN LOUX MD
Surgery (Pediatric Surgery)
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 214-7967
MS. DENISE K HACKMAN RD, LDN
Dietitian, Registered
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 271-5332
DR. DANIEL CARROLL GEARY MD
Emergency Medicine
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 271-6212
MS. MONISA DEANNE WAGNER
Physician Assistant
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 271-7910
JESSICA LYNN CARNEY
Pediatrics
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 271-7910
CHRISTIE BUONPANE
Surgery (Pediatric Surgery)
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 271-6211
MAURA ELIZABETH GABLE D.O.
Pediatrics (Neonatal-Perinatal Medicine)
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 271-7910
ROSLYN MARIE FEASTER
Nurse Anesthetist, Certified Registered
100 N ACADEMY AVE
DANVILLE, PA 17822
Montour County (570) 271-6211

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 Frederick Sunderlin's NPI number?

The NPI number for Frederick Sunderlin is 1124076112. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Frederick Sunderlin located?

Frederick Sunderlin practices at 100 N Academy Ave, Danville, PA 17822. The listed phone number is (570) 271-6028.

What is Frederick Sunderlin's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Frederick Sunderlin 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 28 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.