DR. COREY ANDREW AMMAN DO
NPI 1336374529
Hospitalist in Brandon, FL
About Dr. Corey Andrew Amman Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. COREY ANDREW AMMAN DO (NPI 1336374529) is an individual hospitalist provider in Brandon, Florida, licensed in Guam (DO-0112) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with Guam Regional Medical City, and maintains a secondary practice location in Tampa.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Dr. Corey Andrew Amman Do 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
3Medicare enrollment records show Corey Amman reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Brandon, FL 33511
- Reassigned Medicare billing, Florida enrollment
- 28 clinicians in this Medicare group
Clearwater, FL 33756
- Reassigned Medicare billing, Florida enrollment
- 74 clinicians in this Medicare group
Dededo, GU 96929
- Reassigned Medicare billing, Guam enrollment
- 432 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Guam Regional Medical City
Acute Care Hospitals · Dededo, GUPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33511 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
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.
BRANDON, FL 33511
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 Corey Amman's NPI number?
The NPI number for Corey Amman is 1336374529. It was assigned to this individual provider in the NPPES registry on May 18, 2009.
Where is Corey Amman located?
Corey Amman practices at 119 Oakfield Dr, Brandon, FL 33511. The listed phone number is (855) 421-2733.
What is Corey Amman's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Corey Amman enrolled in Medicare?
Yes. Corey Amman 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 Corey Amman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Corey Amman reassigns Medicare benefits to 3 organizations: Allied Im LLC (Brandon, FL), 24 On Physicians, PC (Clearwater, FL) and Guam Healthcare Development Incorporated (Dededo, GU). 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 Corey Amman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Corey Amman affiliated with any hospitals?
According to CMS data, Corey Amman is affiliated with Guam Regional Medical City.
When was this NPI record last updated?
The NPPES record for Corey Amman was last updated on July 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.
# Dr. Corey Andrew Amman, DO · NPI 1336374529
Hospitalist physician in Brandon, Florida. Individual provider, active in the CMS NPPES registry since May 18, 2009.
## Identity
- **NPI:** 1336374529 (Entity type: Individual)
- **Enumerated:** May 18, 2009
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** DO-0112 (GU)
- **Sole proprietor:** No
## Practice location
- **Address:** 119 OAKFIELD DR, Brandon, FL 33511-5779
- **Phone:** (855) 421-2733 · **Fax:** (813) 374-0491
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Allied Im LLC (NPI 1295140325, Brandon, FL); 24 On Physicians, PC (NPI 1316996184, Clearwater, FL); Guam Healthcare Development Incorporated (NPI 1326447939, Dededo, GU) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2009
## Record status
- **NPPES last updated:** July 12, 2022
---
Source: [NPI Profile](https://npiprofile.com/npi/1336374529) · Data from the CMS NPPES public registry.