Doctor profile · Federal record

Dr. Marianna Morfonios, MD

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

  • NPI 1376522466
  • Accepts Medicare
  • MIPS 74.0 / 100 · 2023
  • 24 yrs in practice
  • Female
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1400 S Dobson RD
Mesa, AZ 852024707
(480) 456-9500
fax (480) 820-7623
Mailing address
Po Box 7127
Phoenix, AZ 850117127

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Arizona #31921
Medicaid
AZ #944381

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376522466. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
166
Distinct HCPCS
4
Medicare allowed
$17,086
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 81 79 $116
99285 Emergency department visit with high level of medical decision making 39 39 $170
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 34 33 $8
99283 Emergency department visit with low level of medical decision making 12 12 $67

In context: peer comparison

Among 17 peers in Mesa Emergency Medicine Physician, average services per provider: 88. This provider delivers 1.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
19
Patients
19
Total drug cost
$211
Drug Type Claims Patients Total cost
Cephalexin Generic 19 19 $211

Frequently asked questions

Auto-generated from federal data
What is Dr. Marianna Morfonios's medical specialty?
Dr. Marianna Morfonios practices Emergency Medicine Physician in Mesa, AZ.
Where does Dr. Marianna Morfonios practice?
Dr. Marianna Morfonios practices at 1400 S Dobson RD, Mesa, AZ 852024707. Office phone: 4804569500.
What is Dr. Marianna Morfonios's NPI?
Dr. Marianna Morfonios's National Provider Identifier (NPI) is 1376522466, issued by NPPES.
Does Dr. Marianna Morfonios accept Medicare assignment?
Yes. Dr. Marianna Morfonios accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marianna Morfonios commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.