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DR. CLAYTON W CHANG M.D
NPI 1346204328
Internal Medicine in Pottstown, PA

Active since April 14, 2006
933 N CHARLOTTE ST, SUITE 101, POTTSTOWN, PA 19464(610) 323-6566(610) 323-9267 Get Directions Write a Review

NPPES record last updated: September 13, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Clayton W Chang M.d NPPES

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

DR. CLAYTON W CHANG M.D (NPI 1346204328) is an individual internal medicine provider in Pottstown, Pennsylvania, licensed in Pennsylvania (MD024824E) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1346204328
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CLAYTON W CHANGCredential: M.D
Location Address933 N CHARLOTTE ST, SUITE 101Pottstown, PA 19464-3974
Mailing Address933 N Charlotte St, Suite 101Pottstown, PA 19464-3974 · (610) 323-6566 · Fax (610) 323-9267
Phone(610) 323-6566
Fax(610) 323-9267
Sole ProprietorYes
Enumeration DateApril 14, 2006
Last NPPES UpdateSeptember 13, 2011
✔ NPI 1346204328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD024824E
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.
933 N CHARLOTTE ST, Pottstown, PA 19464
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Other Identifiers 3

Medicare ID-Type Unspecified431155PA
Other0045917000PA · Keystone Ins
Medicare UPINC34019PA

Other Providers at the Same Location NPPES 9

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

DR. THOMAS CHARLES BEIDEMAN D.P.M.
Podiatrist (Foot & Ankle Surgery)
933 N CHARLOTTE ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-4397
POTTSTOWN DENTAL PROFESSIONALS LLC
Dentist
933 N CHARLOTTE ST, SUITE 2D
POTTSTOWN, PA 19464
Montgomery County (610) 326-8785
DR. CHAD STEWART LONG D.P.M.
Podiatrist
933 N CHARLOTTE ST
POTTSTOWN, PA 19464
Montgomery County (610) 326-4367
POUYAN MAANY
Dentist
933 N CHARLOTTE ST, SUITE 2D
POTTSTOWN, PA 19464
Montgomery County (610) 326-8785
DR. WILLIAM JAY METZ DMD
Dentist
933 N CHARLOTTE ST, SUITE 2D
POTTSTOWN, PA 19464
Montgomery County (610) 326-8785
CHRISTINA M FARRELL DPM
Podiatrist
933 N CHARLOTTE ST, SUITE 2C
POTTSTOWN, PA 19464
Montgomery County (610) 326-4367
LIFEWORKS COUNSELING CENTER, LLC
Counselor (Professional)
933 N CHARLOTTE ST, SUITE1-D
POTTSTOWN, PA 19464
Montgomery County (610) 323-4673
DR. ROBERT LOUIS SANSONE DDS
Dentist
933 N CHARLOTTE ST, SUITE 2D
POTTSTOWN, PA 19464
Montgomery County (610) 326-8785

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 Clayton Chang's NPI number?

The NPI number for Clayton Chang is 1346204328. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Clayton Chang located?

Clayton Chang practices at 933 N Charlotte St Suite 101, Pottstown, PA 19464. The listed phone number is (610) 323-6566.

What is Clayton Chang'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 Clayton Chang was last updated on September 13, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.