Charles Siegel, MD
NPI 1780423640 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Siegel, MD is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1780423640).
Provider details
- NPI number
- 1780423640
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MT231114 (PA)
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
2 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
- 2024-05-21
- Last updated
- 2024-06-19
- Certified
- 2024-06-19
Frequently asked questions
- What is Charles Siegel's NPI number?
- Charles Siegel's National Provider Identifier (NPI) is 1780423640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Siegel's specialty?
- Charles Siegel is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Siegel located?
- Charles Siegel's practice location on file with NPPES is 3401 N Broad St, Philadelphia, PA 19140-5103.
- What is Charles Siegel's phone number?
- The practice phone number listed in the NPPES registry for Charles Siegel is (800) 836-7536.
- Does Charles Siegel accept Medicare?
- Charles Siegel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Siegel's NPI active?
- Yes — Charles Siegel's NPI (1780423640) is active in the NPPES registry as of the last update on 2024-06-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.