Doctor profile · Federal record

Dr. Mazen Beydoun, DO

Internal Medicine Physician (CMS: Internal Medicine) · Mesa, AZ

  • NPI 1972009686
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 8 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6644 E Baywood Ave
Mesa, AZ 852061747
(480) 321-2000

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
December 2, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Arizona #009033
Medicaid
AZ #A98640024

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972009686. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
821
Distinct HCPCS
6
Medicare allowed
$91,142
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 501 202 $114
99239 Hospital discharge day management, more than 30 minutes 123 122 $110
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 102 62 $76
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 39 39 $126
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 39 39 $168
99238 Hospital discharge day management, 30 minutes or less 17 17 $78

In context: peer comparison

Among 47 peers in Mesa Internal Medicine Physician, average services per provider: 132. This provider delivers 6.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
258
Patients
250
Total drug cost
$9,834
Drug Type Claims Patients Total cost
Prednisone Generic 26 25 $121
Furosemide Generic 22 22 $110
Cefdinir Generic 21 21 $340
Doxycycline Hyclate Generic 21 21 $271
Amiodarone Hcl Generic 20 18 $457
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 20 20 $195
Oxycodone Hcl Generic 19 19 $71
Metoprolol Tartrate Generic 17 17 $78
Azithromycin Generic 16 16 $106
Clopidogrel (Clopidogrel Bisulfate) Brand 15 13 $108

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mazen Beydoun's medical specialty?
Dr. Mazen Beydoun practices Internal Medicine Physician in Mesa, AZ.
Where does Dr. Mazen Beydoun practice?
Dr. Mazen Beydoun practices at 6644 E Baywood Ave, Mesa, AZ 852061747. Office phone: 4803212000.
What is Dr. Mazen Beydoun's NPI?
Dr. Mazen Beydoun's National Provider Identifier (NPI) is 1972009686, issued by NPPES.
Does Dr. Mazen Beydoun accept Medicare assignment?
Yes. Dr. Mazen Beydoun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mazen Beydoun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.