Mark Adrain Kiefer, MD - Medicare Colorectal Surgery (proctology) in Tulsa, OK

Mark Adrain Kiefer, MD is a medicare enrolled "Colon & Rectal Surgery" physician in Tulsa, Oklahoma. He went to University Of Tennessee, Hsc, College Of Medicine and graduated in 2003 and has 21 years of diverse experience with area of expertise as Colorectal Surgery (proctology). He is a member of the group practice St John Physicians Inc and his current practice location is 1705 E 19th St Ste 502, Tulsa, Oklahoma. You can reach out to his office (for appointments etc.) via phone at (918) 748-7800.

Mark Adrain Kiefer is licensed to practice in Oklahoma (license number 27205) 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 1992896567.

Contact Information

Mark Adrain Kiefer, MD
1705 E 19th St Ste 502,
Tulsa, OK 74104-5416
(918) 748-7800
(918) 403-6349

Map and Direction




Physician's Profile

Full NameMark Adrain Kiefer
GenderMale
SpecialityColorectal Surgery (proctology)
Experience21 Years
Location1705 E 19th St Ste 502, Tulsa, 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:
  • Mark Adrain Kiefer attended and graduated from University Of Tennessee, Hsc, College Of Medicine in 2003
  NPI Data:
  • NPI Number: 1992896567
  • Provider Enumeration Date: 09/27/2006
  • Last Update Date: 10/02/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 3274685300
  • Enrollment ID: I20090720000582

Medical Identifiers

Medical identifiers for Mark Adrain Kiefer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1992896567NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 27205 (Oklahoma)Secondary
208C00000XColon & Rectal Surgery 27205 (Oklahoma)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St John Medical Center, IncTulsa, OKHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
St John Physicians Inc2567366495221

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. Mark Adrain Kiefer allows following entities to bill medicare on his behalf.
Entity NameSt John Physicians Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1336194406
PECOS PAC ID: 2567366495
Enrollment ID: O20031121000867

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. Mark Adrain Kiefer 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
Mark Adrain Kiefer, MD
1705 E 19th St Ste 502,
Tulsa, OK 74104-5416

Ph: (918) 748-7800
Mark Adrain Kiefer, MD
1705 E 19th St Ste 502,
Tulsa, OK 74104-5416

Ph: (918) 748-7800

Reviews and Comments



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.