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MARCIA M NELSON MD
NPI 1043591597
Internal Medicine in Murrysville, PA

Active since August 29, 2011PECOS Enrolled
4262 OLD WILLIAM PENN HWY STE 109, MURRYSVILLE, PA 15668(724) 325-6010(724) 327-4690 Get Directions Write a Review

NPPES record last updated: October 13, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 13, 2020, Oct 6, 2020, Oct 18, 2016 (3 updates tracked since 2016).

About Marcia M Nelson Md NPPES

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

MARCIA M NELSON MD (NPI 1043591597) is an individual internal medicine provider in Murrysville, Pennsylvania, licensed in Pennsylvania (MD442925) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043591597
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMARCIA M NELSONCredential: MD
Location Address4262 OLD WILLIAM PENN HWY STE 109Murrysville, PA 15668-1954
Mailing Address4262 Old William Penn Hwy Ste 109Murrysville, PA 15668-1954 · (724) 325-6010 · Fax (724) 327-4690
Phone(724) 325-6010
Fax(724) 327-4690
Sole ProprietorNo
Enumeration DateAugust 29, 2011
Last NPPES UpdateOctober 13, 20203 updates tracked since enumeration
NPPES CertifiedOctober 13, 2020
✔ NPI 1043591597 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD442925
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4262 OLD WILLIAM PENN HWY STE 109, Murrysville, PA 15668
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Other Identifiers 1

Medicaid102632018PA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marcia M Nelson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marcia Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allegheny Clinic
Same address
Internal Medicine
4262 OLD WILLIAM PENN HWY STE 109
Murrysville, PA 15668
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 2,881 clinicians in this Medicare group
NPI 1124453774 (724) 325-6010

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 15668 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.34 typical visit price
range $54.64 – $166.87
Typical copayment $31.58 (range $13.66 – $41.71)
Most-billed visit code 99204
Established Patient
$96.82 typical visit price
range $17.33 – $135.84
Typical copayment $24.20 (range $4.33 – $33.96)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Screening for Depression and Follow-Up Plan
Percentage of patients aged 12 years and older screened for depression on the date of the encounter using an age appropriate standardized depression screening tool AND if positive, a follow-up plan is documented on the date of the positive screen
100%45 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
2 suppliers14 claims14 services$23.84 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers13 claims13 services$62.56 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
2 suppliers13 claims13 services$29.27 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHELSEA EILEEN FAUST POFI CRNP
Nurse Practitioner (Family)
4262 OLD WILLIAM PENN HWY STE 109
MURRYSVILLE, PA 15668
Westmoreland County (724) 325-6010
ALLEGHENY CLINIC
Internal Medicine
4262 OLD WILLIAM PENN HWY STE 109
MURRYSVILLE, PA 15668
Westmoreland County (724) 325-6010
DARCY LYNN BOWMAN PA-C
Physician Assistant
4262 OLD WILLIAM PENN HWY STE 109
MURRYSVILLE, PA 15668
Westmoreland County (412) 325-5810
DR. ASHLEY ELIZABETH DUBOS DO
Family Medicine
4262 OLD WILLIAM PENN HWY STE 109
MURRYSVILLE, PA 15668
Westmoreland County (412) 325-5810
MARK W. COHEE M.D.
Family Medicine
4262 OLD WILLIAM PENN HWY STE 109
MURRYSVILLE, PA 15668
Westmoreland County (412) 325-5810

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 Marcia Nelson's NPI number?

The NPI number for Marcia Nelson is 1043591597. It was assigned to this individual provider in the NPPES registry on August 29, 2011.

Where is Marcia Nelson located?

Marcia Nelson practices at 4262 Old William Penn Hwy Ste 109, Murrysville, PA 15668. The listed phone number is (724) 325-6010.

What is Marcia Nelson's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marcia Nelson enrolled in Medicare?

Yes. Marcia Nelson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marcia Nelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marcia Nelson reassigns Medicare benefits to Allegheny Clinic (Murrysville, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marcia Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marcia Nelson was last updated on October 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.