Dr Thomas Ammen Showalter Iii, DO - Medicare Medical Oncology in Oklahoma City, OK

Dr Thomas Ammen Showalter Iii, DO is a medicare enrolled "Internal Medicine" physician in Oklahoma City, Oklahoma. He went to Oklahoma State University College Of Osteopathic Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Integris Ambulatory Care Corporation and his current practice location is 5915 W Memorial Rd, Suite 200, Oklahoma City, Oklahoma. You can reach out to his office (for appointments etc.) via phone at (405) 773-6400.

Dr Thomas Ammen Showalter Iii is licensed to practice in Oklahoma (license number 4869) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1780853358.

Contact Information

Dr Thomas Ammen Showalter Iii, DO
5915 W Memorial Rd, Suite 200,
Oklahoma City, OK 73142-2021
(405) 773-6400
(405) 621-5441

Map and Direction




Physician's Profile

Full NameDr Thomas Ammen Showalter Iii
GenderMale
SpecialityMedical Oncology
Experience19 Years
Location5915 W Memorial Rd, Oklahoma City, Oklahoma
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Thomas Ammen Showalter Iii attended and graduated from Oklahoma State University College Of Osteopathic Medicine in 2005
  NPI Data:
  • NPI Number: 1780853358
  • Provider Enumeration Date: 02/27/2008
  • Last Update Date: 06/27/2017
  Medicare PECOS Information:
  • PECOS PAC ID: 8527191691
  • Enrollment ID: I20100727000754

Medical Identifiers

Medical identifiers for Dr Thomas Ammen Showalter Iii such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1780853358NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 4869 (Oklahoma)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Integris Baptist Medical Center, IncOklahoma city, OKHospital
Integris Canadian Valley HospitalYukon, OKHospital
Integris Health EdmondEdmond, OKHospital
Integris Southwest Medical CenterOklahoma city, OKHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Integris Ambulatory Care Corporation2365408465427

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Thomas Ammen Showalter Iii allows following entities to bill medicare on his behalf.
Entity NameIntegris Ambulatory Care Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750333936
PECOS PAC ID: 2365408465
Enrollment ID: O20041209000354

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Thomas Ammen Showalter Iii is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Thomas Ammen Showalter Iii, DO
5300 N Independence Ave, Suite 280,
Oklahoma City, OK 73112-5556

Ph: (405) 773-6400
Dr Thomas Ammen Showalter Iii, DO
5915 W Memorial Rd, Suite 200,
Oklahoma City, OK 73142-2021

Ph: (405) 773-6400

Reviews and Comments


Internal Medicine Doctors in Oklahoma City, OK

Evelyn Lorents, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 920 Sl Young Blvd, Oklahoma City, OK 73104
Phone: 405-271-5963    
Patrick Bronson Reeves, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 3366 Nw Expressway Ste 550, Oklahoma City, OK 73112
Phone: 405-942-5442    Fax: 405-942-6448
Dr. Jake Lee Evans, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 800 Stanton L Young Blvd, Aat 6300, Oklahoma City, OK 73104
Phone: 405-271-5963    
Dr. Shawn Patel, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1200 Childrens Ave Ste 14000, Oklahoma City, OK 73104
Phone: 405-271-5211    
Metri Haddaden, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 800 Stanton L Young Blvd # 8425, Oklahoma City, OK 73104
Phone: 405-271-6173    Fax: 410-554-2184
Divya Sharma Divyadarshini, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 800 Stanton L Young Blvd, Oklahoma City, OK 73104
Phone: 405-271-5963    
Dr. Philip Barton Miner, Jr., M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1000 N Lincoln Blvd, Suite 210, Oklahoma City, OK 73104
Phone: 405-271-4644    Fax: 405-271-3296

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.