Quick answers
- Does Nita Mason accept Medicare assignment?
- Yes. Medicare's clinician data says Nita Mason accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Nita Mason see?
- In 2024, CMS data shows 1,868 Original Medicare patients and 2,753 services for Nita Mason. This counts Original Medicare only and measures volume, not quality.
- What is Nita Mason's NPI number?
- 1285918599. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Nita Mason, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 1,868 |
|---|---|
| Services billed to Medicare | 2,753 |
| Different services or procedures | 73 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Ct scan of chest with contrast (71260)691 services
- Ct scan of abdomen and pelvis with contrast (74177)594 services
- Ct scan of chest without contrast (71250)313 services
- X-ray of chest, 1 view (71045)227 services
- Ct scan of abdomen and pelvis without contrast (74176)200 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol69%
- Arthritis52%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)44%
- Diabetes39%
- Ischemic heart disease36%
Hospitals where Nita Mason works
Medicare's Facility Affiliation Data lists Nita Mason at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Duncan Regional Hospital, IncDuncan, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370023
- Mercy Hospital Oklahoma City, IncOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370013
- Norman RegionalNorman, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370008
- O U Medical CenterOklahoma City, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370093
- Stillwater Medical CenterStillwater, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370049
Practice locations
Addresses where Nita Mason is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1000 NE 13th StOklahoma City, OK 73104 (405) 271‑3445
- 3025 SW 104th St, OU Hlth ER and UC SokcOklahoma City, OK 73159 (405) 300‑7740
- 711 Stanton L Young BlvdOklahoma City, OK 73104 (405) 271‑4700
- 800 NE 10th St, Ouhp Stephenson Cancer CenterOklahoma City, OK 73104 (405) 271‑1112
- 825 NE 10th StOklahoma City, OK 73104 (405) 271‑4700
Group practices
Medicare enrollment lists Nita Mason as a member of this group (CMS data updated October 2, 2026).
- OU Health Partners Inc1,184 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Oklahoma City
Clinicians with the same Medicare primary specialty in Oklahoma City, OK — not a recommendation.
Other clinicians in OU Health Partners Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285918599 |
| 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 October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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