NAPOLEON C MARCELO M.D.
NPI 1700833365
Internal Medicine - Gastroenterology in Bowie, MD
About Napoleon C Marcelo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NAPOLEON C MARCELO M.D. (NPI 1700833365) is an individual gastroenterology provider in Bowie, Maryland, licensed in Maryland (D0031345) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Napoleon C Marcelo M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Napoleon Marcelo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 318 clinicians in this Medicare group
Cumberland, MD 21502
- Reassigned Medicare billing, Maryland enrollment
- 210 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20716 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOWIE, MD 20716
BOWIE, MD 20716
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 Napoleon Marcelo's NPI number?
The NPI number for Napoleon Marcelo is 1700833365. It was assigned to this individual provider in the NPPES registry on May 28, 2006.
Where is Napoleon Marcelo located?
Napoleon Marcelo practices at 4000 Mitchellville Rd Suite 430B, Bowie, MD 20716. The listed phone number is (301) 262-8602.
What is Napoleon Marcelo's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Napoleon Marcelo enrolled in Medicare?
Yes. Napoleon Marcelo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Napoleon Marcelo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Napoleon Marcelo reassigns Medicare benefits to 2 organizations: Upmc Western Maryland Health Services, LLC (Cumberland, MD) and Upmc Western Maryland Corporation (Cumberland, MD). Each 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 Napoleon Marcelo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Napoleon Marcelo accept?
Health plans from CareSource list Napoleon Marcelo as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Napoleon Marcelo was last updated on January 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Napoleon C Marcelo, M.D. · NPI 1700833365
Gastroenterology physician in Bowie, Maryland. Individual provider, active in the CMS NPPES registry since May 28, 2006.
## Identity
- **NPI:** 1700833365 (Entity type: Individual)
- **Enumerated:** May 28, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** D0031345 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 4000 MITCHELLVILLE RD, SUITE 430B, Bowie, MD 20716-3104
- **Phone:** (301) 262-8602 · **Fax:** (301) 805-7784
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Upmc Western Maryland Health Services, LLC (NPI 1376302729, Cumberland, MD); Upmc Western Maryland Corporation (NPI 1285779884, Cumberland, MD) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 8, 2013
- **Other identifiers:** Medicare UPIN E56736 (MD); Medicaid 436051600 (MD); Medicare ID-Type Unspecified 013109R96 (MD)
---
Source: [NPI Profile](https://npiprofile.com/npi/1700833365) · Data from the CMS NPPES public registry.