Monica Bessler Mason, MD
NPI 1881610103 · Pediatric Hematology & Oncology Physician · Philadelphia, PA
Monica Bessler Mason, MD is a Pediatric Hematology & Oncology Physician provider in Philadelphia, PA (NPI 1881610103).
Provider details
- NPI number
- 1881610103
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD439892 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2013-05-09
Frequently asked questions
- What is Monica Bessler Mason's NPI number?
- Monica Bessler Mason's National Provider Identifier (NPI) is 1881610103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Monica Bessler Mason's specialty?
- Monica Bessler Mason is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Monica Bessler Mason located?
- Monica Bessler Mason's practice location on file with NPPES is 3401 Civic Center Blvd, Philadelphia, PA 19104-4319.
- What is Monica Bessler Mason's phone number?
- The practice phone number listed in the NPPES registry for Monica Bessler Mason is (215) 590-3535.
- Is Monica Bessler Mason's NPI active?
- Yes — Monica Bessler Mason's NPI (1881610103) is active in the NPPES registry as of the last update on 2013-05-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.