Quick answers
- Does Crystal A. Mahana accept Medicare assignment?
- Yes. Medicare's clinician data says Crystal A. Mahana 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 Crystal A. Mahana see?
- In 2024, CMS data shows 53 Original Medicare patients and 66 services for Crystal A. Mahana. This counts Original Medicare only and measures volume, not quality.
- What is Crystal A. Mahana's NPI number?
- 1356811558. 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 Crystal A. Mahana, 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 | 53 |
|---|---|
| Services billed to Medicare | 66 |
| Different services or procedures | 15 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Emergency department visit with moderate level of medical decision making (99284)22 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 cholesterol75%
- Arthritis66%
- Anxiety51%
- Diabetes47%
- Chronic kidney disease42%
Hospitals where Crystal A. Mahana works
Medicare's Facility Affiliation Data lists Crystal A. Mahana 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.
- Clinton Regional HospitalClinton, OK · Rural Emergency Hospital · Emergency services: listed by Medicare · CCN 370784
- Community Hospital, LLCOklahoma City, OK · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 370203
- Elkview General HospitalHobart, OK · Rural Emergency Hospital · Emergency services: listed by Medicare · CCN 370783
- Prague Regional Memorial HospitalPrague, OK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 371301
- Seiling Municipal HospitalSeiling, OK · Critical Access Hospital · Emergency services: listed by Medicare · CCN 371332
Practice locations
Addresses where Crystal A. Mahana is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 1121 NW 63rd St, Suite 5001Nichols Hills, OK 73116 (405) 652‑0632
- 1322 Klabzuba AvePrague, OK 74864 (405) 567‑4922
- 1380 W Covell Rd, 132 Mercy Gohealth Urgent Care N EdmondEdmond, OK 73003 (405) 279‑9637
- 809 NE Hwy 60Seiling, OK 73663 (580) 377‑1005
- 809 NE Hwy 60, Specialty ClinicSeiling, OK 73663 (580) 377‑1005
Group practices
Medicare enrollment lists Crystal A. Mahana as a member of these groups (CMS data updated October 2, 2026).
- Mercy Oklahoma Ambulatory Services LLC48 clinicians in the group
- Seiling Municipal Hospital Authority15 clinicians in the group
- CAH Acquisition Company 9 LLC14 clinicians in the group
- Prague Healthcare Authority12 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Nichols Hills
Clinicians with the same Medicare primary specialty in Nichols Hills, OK — not a recommendation.
Other clinicians in Mercy Oklahoma Ambulatory Services LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356811558 |
| 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