JOHN J. CASSEL, MD, PC
NPI 1548254725
Internal Medicine - Cardiovascular Disease in Allentown, PA

Q: What is John J. Cassel, MD, PC's NPI number?

The NPI number for John J. Cassel, MD, PC is 1548254725. It was assigned to this organization in the NPPES registry on September 2, 2005.

Q: What is John J. Cassel, MD, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Active since September 02, 2005

1255 S CEDAR CREST BLVD, SUITE 1200, ALLENTOWN, PA 18103(610) 437-6222(610) 437-5910 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 04, 2026.

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About John J. Cassel, Md, Pc NPPES

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

JOHN J. CASSEL, MD, PC (NPI 1548254725) is a healthcare organization registered as a cardiovascular disease in Allentown, Pennsylvania and active in the NPI registry since September 2005. The organization lists Margery Fettig, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1548254725

Entity TypeOrganization

Primary Taxonomy207RC0000X

Legal Business NameJOHN J. CASSEL, MD, PC

Location Address1255 S CEDAR CREST BLVD, SUITE 1200Allentown, PA 18103-6256

Mailing Address1255 S Cedar Crest Blvd, Suite 1200Allentown, PA 18103-6256 · (610) 437-6222 · Fax (610) 437-5910

Phone(610) 437-6222

Fax(610) 437-5910

Organization SubpartNo

Authorized OfficialMargery FettigPractice Manager · (610) 437-6222

Enumeration DateSeptember 2, 2005

Last NPPES UpdateAugust 22, 2020

✔ NPI 1548254725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in PA · MC933136C

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

1255 S CEDAR CREST BLVD, Allentown, PA 18103

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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.

MEGAN STEFANELLI PA-C

Physician Assistant (Medical)

1255 S CEDAR CREST BLVD, SUITE 2100
ALLENTOWN, PA 18103

Lehigh County (610) 402-3560

MS. MAREFA SIDDIQUE PA-C

Physician Assistant (Medical)

1255 S CEDAR CREST BLVD, SUITE 2200
ALLENTOWN, PA 18103

Lehigh County (610) 437-9006

THOMAS J RENALDO DO

Family Medicine (Geriatric Medicine)

1255 S CEDAR CREST BLVD, SUITE 3200
ALLENTOWN, PA 18103

Lehigh County (610) 402-5623

JOHN S PARK M.D.

Colon & Rectal Surgery

1255 S CEDAR CREST BLVD, SUITE 3900
ALLENTOWN, PA 18103

Lehigh County (610) 402-1095

CHARLES J SCAGLIOTTI MD

Surgery

1255 S CEDAR CREST BLVD, STE 1100
ALLENTOWN, PA 18103

Lehigh County (610) 770-3270

JENNIFER LILLEY LPC

Counselor (Mental Health)

1255 S CEDAR CREST BLVD
ALLENTOWN, PA 18103

Lehigh County (610) 402-5433

SERGIO RUDOI JR. P.A.-C.

Physician Assistant

1255 S CEDAR CREST BLVD, SUITE 3600
ALLENTOWN, PA 18103

Lehigh County (610) 770-1606

SHANNON N. DIALLO PA-C

Physician Assistant (Medical)

1255 S CEDAR CREST BLVD, SUITE 2200
ALLENTOWN, PA 18103

Lehigh County (610) 437-9006

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 John J. Cassel, MD, PC's NPI number?

The NPI number for John J. Cassel, MD, PC is 1548254725. It was assigned to this organization in the NPPES registry on September 2, 2005.

Where is John J. Cassel, MD, PC located?

John J. Cassel, MD, PC is located at 1255 S Cedar Crest Blvd Suite 1200, Allentown, PA 18103. The listed phone number is (610) 437-6222.

What is John J. Cassel, MD, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

When was this NPI record last updated?

The NPPES record for John J. Cassel, MD, PC was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.