Quick answers
- Which hospitals does Maria M. Mithlo work at?
- Medicare's official clinician data lists Maria M. Mithlo at 5 hospitals: Duncan Regional Hospital, Inc, Jefferson County Hospital, Memorial Health, O U Medical Center and Southwestern Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maria M. Mithlo see patients?
- Medicare's clinician data lists 4 practice locations, including Duncan, OK and Elgin, OK. Call before your visit to confirm the address.
- What is Maria M. Mithlo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Maria M. Mithlo accept Medicare assignment?
- Yes. Medicare's clinician data says Maria M. Mithlo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Maria M. Mithlo?
- (580) 252-5300, as listed in official Medicare / NPI Registry data.
- What is Maria M. Mithlo's NPI number?
- 1356436851. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maria M. Mithlo works
Medicare's Facility Affiliation Data lists Maria M. Mithlo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Duncan Regional Hospital, IncDuncan, OK · Acute Care Hospital · CCN 370023
- Jefferson County HospitalWaurika, OK · Critical Access Hospital · CCN 371311
- Memorial HealthLawton, OK · Acute Care Hospital · CCN 370056
- O U Medical CenterOklahoma City, OK · Acute Care Hospital · CCN 370093
- Southwestern Medical CenterLawton, OK · Acute Care Hospital · CCN 370097
Practice locations
Addresses where Maria M. Mithlo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1415 N Whisenant DrDuncan, OK 73533 (580) 252‑5300
- 2621 N Whisenant DrDuncan, OK 73533 (580) 252‑5300
- 2635 W Elk AveDuncan, OK 73533 (580) 252‑6080
- 8148 State Hwy 17Elgin, OK 73538 (580) 454‑2273
Group practices
Medicare enrollment lists Maria M. Mithlo as a member of this group (CMS data updated 2026-10-02).
- Duncan Regional Hospital, Inc68 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Duncan
Clinicians with the same Medicare primary specialty in Duncan, OK — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356436851 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians