Karen Weiss, MD
NPI 1043790967 · Pediatric Hematology & Oncology Physician · Hatfield, PA
Karen Weiss, MD is a Pediatric Hematology & Oncology Physician provider in Hatfield, PA (NPI 1043790967).
Provider details
- NPI number
- 1043790967
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- D34387 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2018-08-20
- Last updated
- 2018-08-20
Frequently asked questions
- What is Karen Weiss's NPI number?
- Karen Weiss's National Provider Identifier (NPI) is 1043790967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Weiss's specialty?
- Karen Weiss is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Weiss located?
- Karen Weiss's practice location on file with NPPES is 733 Church Rd, Hatfield, PA 19440-1010.
- What is Karen Weiss's phone number?
- The practice phone number listed in the NPPES registry for Karen Weiss is (240) 271-0350.
- Is Karen Weiss's NPI active?
- Yes — Karen Weiss's NPI (1043790967) is active in the NPPES registry as of the last update on 2018-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.