1. Home
  2. Directory
  3. Maryland
  4. Bowie
  5. Internal Medicine
  6. NPI Profile

NAPOLEON C MARCELO M.D.
NPI 1700833365
Internal Medicine - Gastroenterology in Bowie, MD

Active since May 28, 2006PECOS Enrolled
86.92/100
CMS Quality Rating
4000 MITCHELLVILLE RD, SUITE 430B, BOWIE, MD 20716(301) 262-8602(301) 805-7784 Get Directions Write a Review

NPPES record last updated: January 8, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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

NPI1700833365
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameNAPOLEON C MARCELOCredential: M.D.
Location Address4000 MITCHELLVILLE RD, SUITE 430BBowie, MD 20716-3104
Mailing Address4000 Mitchellville Rd, Suite 430bBowie, MD 20716-3104 · (301) 262-8602 · Fax (301) 805-7784
Phone(301) 262-8602
Fax(301) 805-7784
Sole ProprietorNo
Enumeration DateMay 28, 2006
Last NPPES UpdateJanuary 8, 2013
✔ NPI 1700833365 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in MD · D0031345
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
4000 MITCHELLVILLE RD, Bowie, MD 20716
Open in Google Maps ↗

Other Identifiers 3

Medicare UPINE56736MD
Medicaid436051600MD
Medicare ID-Type Unspecified013109R96MD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource, Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Napoleon C Marcelo M.d. 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.

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.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
42 services42 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
42 services41 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
34 services33 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
20 services20 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
18 services18 patients

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.

New Patient
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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.

86.92/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.08
Promoting Interoperability100
Improvement Activities40
Cost80.8

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.

DANTE LEMAR GORHAM PT
Physical Therapist
4000 MITCHELLVILLE RD, STE A400
BOWIE, MD 20716
Prince George's County (301) 805-7110
LISA MARGARET NELSON AU.D.
Audiologist
4000 MITCHELLVILLE RD, B124
BOWIE, MD 20716
Prince George's County (301) 464-2036
DIGESTIVE DISEASE SPECIALISTS, P.A.
Internal Medicine (Gastroenterology)
4000 MITCHELLVILLE RD, SUITE 430B
BOWIE, MD 20716
Prince George's County (301) 262-8602
KATHERINE S PERRY M.D.
Otolaryngology
4000 MITCHELLVILLE RD, SUITE A414
BOWIE, MD 20716
Prince George's County (301) 860-0985
LIFESTREAM HEALTH CENTER
Clinical Medical Laboratory
4000 MITCHELLVILLE RD, SUITE B322
BOWIE, MD 20716
Prince George's County (301) 860-0305
OLDE TOWN ANESTHESIA ASSOCIATES, PC
Specialist
4000 MITCHELLVILLE RD, SUITE B322
BOWIE, MD 20716
Prince George's County (703) 820-6418
CHESAPEAKE OTOLARYNGOLOGY ASSOCIATES
Audiologist
4000 MITCHELLVILLE RD, A414
BOWIE, MD 20716
Prince George's County (301) 860-0985
DR. GAIL J ANDERSON M.D.
Otolaryngology
4000 MITCHELLVILLE RD, SUITE A414
BOWIE, MD 20716
Prince George's County (301) 860-0985

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.

What insurance does Napoleon Marcelo accept?

Health plans from CareSource and Medica 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.