Doctor profile · Federal record

Dr. Mario Belledonne, M.D.

Nephrology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Nephrology Physician · Potomac, MD

  • NPI 1033129457
  • Accepts Medicare
  • 52 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8200 Tuckerman Ln
Potomac, MD 208543744
(301) 605-7878
fax (301) 605-7878

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 29, 2021
Year of graduation
1974 — 52 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Maryland #D23177 · Maryland #D0023177
Medicaid
MD #3233311100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033129457. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
1
Medicare allowed
$7,626
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 53 14 $144

In context: peer comparison

Among 1 peers in Potomac Nephrology Physician, average services per provider: 53. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
58
Patients
0
Total drug cost
$1,599
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 19 0 $573
Losartan Potassium Generic 15 0 $261
Simvastatin Generic 13 0 $358
Terconazole Generic 11 0 $407

Frequently asked questions

Auto-generated from federal data
What is Dr. Mario Belledonne's medical specialty?
Dr. Mario Belledonne practices Nephrology Physician in Potomac, MD.
Where does Dr. Mario Belledonne practice?
Dr. Mario Belledonne practices at 8200 Tuckerman Ln, Potomac, MD 208543744. Office phone: 3016057878.
What is Dr. Mario Belledonne's NPI?
Dr. Mario Belledonne's National Provider Identifier (NPI) is 1033129457, issued by NPPES.
Does Dr. Mario Belledonne accept Medicare assignment?
Yes. Dr. Mario Belledonne accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mario Belledonne commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.