Marcia Nelson, MD
NPI 1043591597 · Internal Medicine Physician · Murrysville, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcia Nelson, MD is a Internal Medicine Physician provider in Murrysville, PA (NPI 1043591597).
Provider details
- NPI number
- 1043591597
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD442925 (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
14 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
- 2011-08-29
- Last updated
- 2020-10-13
- Certified
- 2020-10-13
Frequently asked questions
- What is Marcia Nelson's NPI number?
- Marcia Nelson's National Provider Identifier (NPI) is 1043591597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcia Nelson's specialty?
- Marcia Nelson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marcia Nelson located?
- Marcia Nelson's practice location on file with NPPES is 4262 Old William Penn Hwy Ste 109, Murrysville, PA 15668-1954.
- What is Marcia Nelson's phone number?
- The practice phone number listed in the NPPES registry for Marcia Nelson is (724) 325-6010.
- Does Marcia Nelson accept Medicare?
- Marcia Nelson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcia Nelson's NPI active?
- Yes — Marcia Nelson's NPI (1043591597) is active in the NPPES registry as of the last update on 2020-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.