Quick answers
- Where does Catherine McMahon see patients?
- Medicare's clinician data lists 2 practice locations, including Tahlequah, OK and New York, NY. Call before your visit to confirm the address.
- What is Catherine McMahon's specialty?
- Medicare lists Clinical Social Worker as the primary specialty.
- Does Catherine McMahon accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine McMahon 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 Catherine McMahon?
- (918) 458-3100, as listed in official Medicare / NPI Registry data.
- What is Catherine McMahon's NPI number?
- 1548535164. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Catherine McMahon is enrolled with Medicare (CMS data updated 2026-10-02).
- 100 S Bliss AveTahlequah, OK 74464 (918) 458‑3100
- 510 W 5th St, Apt 19fNew York, NY 10019 (503) 714‑5905
Group practices
Medicare enrollment lists Catherine McMahon as a member of these groups (CMS data updated 2026-10-02).
- Cherokee Nation449 clinicians in the group
- Moona Medical Group of New Jersey PC6 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Tahlequah
Clinicians with the same Medicare primary specialty in Tahlequah, OK — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 2009 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548535164 |
| 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
- 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