Active NPI
Marianna G Morfonios, MD
- Emergency Medicine Physician
- Mesa, AZ
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Emergency Medicine Physician
- License
- 31921
- Practice address
- 1400 S Dobson Rd
Mesa, AZ 85202-4707 - Phone
- (480) 456-9500
- Fax
- (480) 820-7623
- NPI assigned
- Jan 17, 2006
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Emergency Medicine Physician | 207P00000X | 31921 | AZ | Primary |
Addresses
Primary practice location
1400 S Dobson Rd
Mesa, AZ 85202-4707
Mailing address
PO Box 7127
Phoenix, AZ 85011-7127
Phone (480) 456-9500
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 944381 | Medicaid | AZ |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, AZ
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Emergency Medicine
- Education
- State University of New York at Stony Brook, School of Medicine, 2002
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
4760 E Germann Rd
Gilbert, AZ 85297-0205
Phone (888) 732-3317
Hospital & facility affiliations
- Dignity Health Arizona General Hospital
- Phoenix Indian Medical Center
- Chandler Regional Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 85.77 of 100
- Quality
- 81.6
- Improvement activities
- 40
- Cost
- 77.61
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 31921 | AZ | MD | Emergency Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Cep America - Arizona PC | Emergency Medicine | Current | Accepting new patients |
| Cep America-Arizona, PC | Emergency Medicine | Current | Accepting new patients |
| American Current Care of Arizona PA | Current | Accepting new patients | |
| Dhew Ind HLTH SV HLTH SVS & MNTL HLTH Adm | Current | Accepting new patients | |
| Tec Emergency Physicians of Arizona, LLC | Current | Accepting new patients | |
| Cep America- Arizona, PC | Emergency Medicine | Current | Accepting new patients |
| Dhew Ind HLTH SV HLTH SVS & MNTL HLTH Adm | Current | Accepting new patients | |
| Dignity Community Care | Current | Accepting new patients | |
| Progressive Medical Associates PLLC | Emergency Medicine | Past | Accepting new patients |
| Chandler Regional Medical Center | Past | Accepting new patients |
Locations
1405 S Alma School Rd
Chandler, AZ 85286
Phone (480) 256-7000
1110 E Route 66
Ste 100
Flagstaff, AZ 86001
Phone (928) 527-1920
1501 N Gilbert Rd
Gilbert, AZ 85234
Phone (480) 503-5400
4760 E Germann Rd
Gilbert, AZ 85297
Phone (480) 494-5000
7171 S 51st Ave
Laveen, AZ 85339
Phone (623) 584-5100
48203 W Farrell Rd
#H
Maricopa, AZ 85139
Phone (520) 568-3881
20750 N John Wayne Pkwy
Maricopa, AZ 85139
Phone (520) 233-2468
1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000
4545 E Chandler Blvd
Phoenix, AZ 85048
Phone (480) 728-4000
4212 N 16th St
Phoenix, AZ 85016
Phone (602) 248-4187
1419 W Hunt Hwy
San Tan Vly, AZ 85143
Phone (480) 245-4300
10401 W Thunderbird Blvd
Sun City, AZ 85351
Phone (623) 815-7690
5125 S Rural Rd
Tempe, AZ 85282
Phone (480) 306-8780
File 56224
Los Angeles, CA 90074
1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423
Organizations & group practices 10
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Emergency Care Clinic/Center
- Gilbert, AZ
- NPI 1245772870
-
- Urgent Care Clinic/Center
- Phoenix, AZ
- NPI 1780873307
-
- Emergency Medicine Physician
- Chandler, AZ
- NPI 1780202804
-
- Public Health or Welfare Agency
- Phoenix, AZ
- NPI 1083643738
TX
-
- General Acute Care Hospital
- Chandler, AZ
- NPI 1700910189
-
- Emergency Medicine Physician
- Mesa, AZ
- NPI 1356021190
-
- Emergency Medicine Physician
- Sun City, AZ
- NPI 1124491477
-
- Public Health or Welfare Agency
- Maricopa, AZ
- NPI 1538043443
-
- Emergency Care Clinic/Center
- Chandler, AZ
- NPI 1871910968
-
- Emergency Medicine Physician
- Mesa, AZ
- NPI 1548218613
Hospital & facility affiliations 10
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Mesa, AZ
- NPI 1689121188
-
- General Acute Care Hospital
- Chandler, AZ
- NPI 1700910189
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1137456000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1376522466",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 7127",
"city": "PHOENIX",
"state": "AZ",
"postal_code": "850117127",
"telephone_number": "480-456-9500",
"fax_number": "480-820-7623"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1400 S DOBSON RD",
"city": "MESA",
"state": "AZ",
"postal_code": "852024707",
"telephone_number": "480-456-9500",
"fax_number": "480-820-7623"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MORFONIOS",
"first_name": "MARIANNA",
"middle_name": "G",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-01-17",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207P00000X",
"taxonomy_group": "",
"desc": "Emergency Medicine",
"state": "AZ",
"license": "31921",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "944381",
"state": "AZ"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Mesa, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.