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DR. MONICA BESSLER MASON MD
NPI 1881610103
Pediatrics - Pediatric Hematology-Oncology in Philadelphia, PA

Active since July 14, 2006
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - HEM/ONC, PHILADELPHIA, PA 19104(215) 590-3535(215) 590-3992 Get Directions Write a Review

NPPES record last updated: May 9, 2013. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Monica Bessler Mason Md NPPES

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

DR. MONICA BESSLER MASON MD (NPI 1881610103) is an individual pediatric hematology-oncology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD439892) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1881610103
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. MONICA BESSLER MASONCredential: MD
Location Address3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - HEM/ONCPhiladelphia, PA 19104-4319
Mailing Address100 E Penn Sq, 9th FloorPhiladelphia, PA 19107-3323 · (267) 425-9234 · Fax (267) 425-9299
Phone(215) 590-3535
Fax(215) 590-3992
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateMay 9, 2013
✔ NPI 1881610103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in PA · MD439892
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedInternal Medicine · HematologyTaxonomy 207RH0000X · License MD439892 (PA)
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X · License MD439892 (PA)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License MD439892 (PA)
3401 CIVIC CENTER BLVD, Philadelphia, PA 19104
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Other Names 1

Other Name (5)Dr. Monica Bessler Md

Other Identifiers 5

Medicare PIN355010183
Medicaid205408107MO
Medicare PIN820000422
Medicare UPINH47385
Medicare PIN181199PA

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.

AARON DORFMAN M.D.
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - CARDIOLOGY
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-4040
MS. NICOLE MARIE KOEPKE CRNP
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD, CHILDREN'S HOSPITAL OF PHILADELPHIA - EMERGENCY MED
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1944
DR. CASSANDRA ALYS LIGH MD
Surgery (Plastic and Reconstructive Surgery)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-2208
DR. PREETI SOI
Psychiatry & Neurology (Child & Adolescent Psychiatry)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-7555
ROSALIND USHER M.D.
Pediatrics (Developmental - Behavioral Pediatrics)
3401 CIVIC CENTER BLVD, DIVISION OF DEVELOPMENTAL AND BEHAVIORAL PEDIATRICS
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-6336
DR. MATTHEW DAVID SCHREIER MD
Pediatrics (Pediatric Cardiology)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000
DR. TERRENCE CALDWELL JR. PHARMD
Pharmacist (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000
ALYSSA STIEFEL CRNP
Nurse Practitioner (Pediatrics)
3401 CIVIC CENTER BLVD
PHILADELPHIA, PA 19104
Philadelphia County (215) 590-1000

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 Monica Bessler Mason's NPI number?

The NPI number for Monica Bessler Mason is 1881610103. It was assigned to this individual provider in the NPPES registry on July 14, 2006. The provider is also known as Dr. Monica Bessler MD.

Where is Monica Bessler Mason located?

Monica Bessler Mason practices at 3401 Civic Center Blvd Children's Hospital Of Philadelphia - Hem/Onc, Philadelphia, PA 19104. The listed phone number is (215) 590-3535.

What is Monica Bessler Mason's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

When was this NPI record last updated?

The NPPES record for Monica Bessler Mason was last updated on May 9, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.