Maria Mercedes Mithlo, MD - Medicare Internal Medicine in Elgin, OK

Maria Mercedes Mithlo, MD is a medicare enrolled "Internal Medicine" physician in Elgin, Oklahoma. She graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Duncan Regional Hospital, Inc, Solutions Practice Management and her current practice location is 8148 State Highway 17, Elgin, Oklahoma. You can reach out to her office (for appointments etc.) via phone at (580) 454-2273.

Maria Mercedes Mithlo is licensed to practice in Oklahoma (license number 21319) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1356436851.

Contact Information

Maria Mercedes Mithlo, MD
8148 State Highway 17,
Elgin, OK 73538-9010
(580) 454-2273
Not Available

Map and Direction




Physician's Profile

Full NameMaria Mercedes Mithlo
GenderFemale
SpecialityInternal Medicine
Experience41 Years
Location8148 State Highway 17, Elgin, Oklahoma
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Maria Mercedes Mithlo graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1356436851
  • Provider Enumeration Date: 10/03/2006
  • Last Update Date: 03/17/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3577657584
  • Enrollment ID: I20070921000323

Medical Identifiers

Medical identifiers for Maria Mercedes Mithlo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356436851NPI-NPPES
100220880AMedicaidOK

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 21319 (Oklahoma)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Duncan Regional Hospital HomecareDuncan, OKHome health agency
Genesis Healthcare,llcDurant, OKHome health agency
Duncan Regional Hospital, IncDuncan, OKHospital
Jefferson County HospitalWaurika, OKHospital
Comanche County Memorial HospitalLawton, OKHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Duncan Regional Hospital, Inc519361305742
Solutions Practice Management569884077532

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. Maria Mercedes Mithlo allows following entities to bill medicare on her behalf.
Entity NameSolutions Practice Management
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104009299
PECOS PAC ID: 5698840775
Enrollment ID: O20081015000361
Entity NameDuncan Regional Hospital, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699318147
PECOS PAC ID: 5193613057
Enrollment ID: O20200930003440

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. Maria Mercedes Mithlo 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
Maria Mercedes Mithlo, MD
8148 State Highway 17,
Elgin, OK 73538-9010

Ph: () -
Maria Mercedes Mithlo, MD
8148 State Highway 17,
Elgin, OK 73538-9010

Ph: (580) 454-2273

Reviews and Comments


Internal Medicine Doctors in Elgin, OK


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.