DR. MARIO E NICHOLSON MD
NPI 1689735144
Internal Medicine in Hyattsville, MD

Active since December 12, 2006PECOS EnrolledAccepts Medicare Assignment
6525 BELCREST ROAD, SUITE 160, HYATTSVILLE, MD 20782(301) 209-6155(301) 209-6206 Get Directions Write a Review

NPPES record last updated: January 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Mario E Nicholson Md NPPES

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

DR. MARIO E NICHOLSON MD (NPI 1689735144) is an individual internal medicine provider in Hyattsville, Maryland, licensed in Maryland (D41747) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Icahn School Of Medicine At Mount Sinai (1983).

NPPES Registry Identity

NPI1689735144
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARIO E NICHOLSONCredential: MD
Location Address6525 BELCREST ROAD, SUITE 160Hyattsville, MD 20782-2016
Mailing Address2101 East Jefferson Street, Ppqa Medicare Compliance Unite 4 West Kaiser PermanenteRockville, MD 20852-4908 · (301) 816-6660 · Fax (301) 816-6308
Fax(301) 209-6206
Sole ProprietorNo
Medical School CMSIcahn School Of Medicine At Mount SinaiGraduated 1983
Enumeration DateDecember 12, 2006
Last NPPES UpdateJanuary 22, 2025
NPPES CertifiedJanuary 22, 2025
NPI 1689735144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in MD · D41747 Licensed in DC · MD21652
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.
6525 BELCREST ROAD, Hyattsville, MD 20782

Secondary Practice Locations 2

Location 16 Garrett AveLA Plata, MD 20646-5959 · Phone (301) 539-5100 · Fax (301) 934-2084
Location 29000 Woodyard RdClinton, MD 20735-4206 · Phone (240) 546-3428

Other Identifiers 1

Medicaid182511900MD

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Mario E Nicholson Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688620404
PECOS Enrollment IDI20050324000747, I20230223001407
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20782 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.

Other Providers at the Same Location NPPES 9

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

Dentist
6525 BELCREST ROAD, SUITE 212
HYATTSVILLE, MD 20782
Family Medicine
6525 BELCREST ROAD, SUITE 160
HYATTSVILLE, MD 20782
Nurse Practitioner
6525 BELCREST ROAD, SUITE 160
HYATTSVILLE, MD 20782
Internal Medicine
6525 BELCREST ROAD, SUITE 160
HYATTSVILLE, MD 20782
Pediatrics
6525 BELCREST ROAD, SUITE 160
HYATTSVILLE, MD 20782
Family Medicine
6525 BELCREST ROAD, SUITE 160
HYATTSVILLE, MD 20782
Internal Medicine
6525 BELCREST ROAD, SUITE 160
HYATTSVILLE, MD 20782
Dentist (Pediatric Dentistry)
6525 BELCREST ROAD, SUITE 290
HYATTSVILLE, MD 20782

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 Mario Nicholson's NPI number?

The NPI number for Mario Nicholson is 1689735144. It was assigned to this individual provider in the NPPES registry on December 12, 2006.

Where is Mario Nicholson located?

Mario Nicholson practices at 6525 Belcrest Road Suite 160, Hyattsville, MD 20782. The listed phone number is (301) 209-6155.

What is Mario Nicholson's specialty?

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

Is Mario Nicholson enrolled in Medicare?

Yes. Mario Nicholson is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mario Nicholson was last updated on January 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.