MARY E COON MD
NPI 1740234558
Emergency Medicine in Phoenix, AZ
About Mary E Coon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY E COON MD (NPI 1740234558) is an individual emergency medicine provider in Phoenix, Arizona, licensed in Ohio (35082656C) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary E Coon 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.
Medicare Billing Reassignments
6Medicare enrollment records show Mary Coon reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85016
- Reassigned Medicare billing, Texas enrollment
- 599 clinicians in this Medicare group
Austell, GA 30106
- Reassigned Medicare billing, Georgia enrollment
- 353 clinicians in this Medicare group
Sandy Springs, GA 30342
- Reassigned Medicare billing, Georgia enrollment
- 162 clinicians in this Medicare group
Dayton, OH 45409
- Reassigned Medicare billing, Ohio enrollment
- 177 clinicians in this Medicare group
Seaman, OH 45679
- Reassigned Medicare billing, Ohio enrollment
- 894 clinicians in this Medicare group
Columbus, OH 43215
- Reassigned Medicare billing, Ohio enrollment
- 474 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85016 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Mary Coon's NPI number?
The NPI number for Mary Coon is 1740234558. It was assigned to this individual provider in the NPPES registry on May 19, 2006.
Where is Mary Coon located?
Mary Coon practices at 4212 N 16th St, Phoenix, AZ 85016. The listed phone number is (602) 263-1200.
What is Mary Coon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mary Coon enrolled in Medicare?
Yes. Mary Coon 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.
Which organizations bill Medicare for Mary Coon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Coon reassigns Medicare benefits to 6 organizations: Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Phoenix, AZ), The Bortolazzo Group, LLC (Austell, GA), Northside Emergency Associates, LLC (Sandy Springs, GA), Miami Valley Emergency Specialists, LLC (Dayton, OH), Emergency Professional Services, Inc. (Seaman, OH) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Coon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Coon accept?
Health plans from Oscar Insurance Company list Mary Coon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Coon was last updated on March 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary E Coon, MD · NPI 1740234558
Emergency Medicine physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since May 19, 2006.
## Identity
- **NPI:** 1740234558 (Entity type: Individual)
- **Enumerated:** May 19, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 35082656C (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 4212 N 16TH ST, Phoenix, AZ 85016-5319
- **Phone:** (602) 263-1200 · **Fax:** (602) 263-1619
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (NPI 1083643738, Phoenix, AZ); The Bortolazzo Group, LLC (NPI 1801965082, Austell, GA); Northside Emergency Associates, LLC (NPI 1285686303, Sandy Springs, GA); Miami Valley Emergency Specialists, LLC (NPI 1821189085, Dayton, OH); Emergency Professional Services, Inc. (NPI 1093762353, Seaman, OH); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2000
## Record status
- **NPPES last updated:** March 10, 2026
- **Other identifiers:** Other 000000316949; Other P00294036; Medicaid 2448051 (OH); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1740234558) · Data from the CMS NPPES public registry.