Quick answers
- Which hospitals does Catherine E. Oakley work at?
- Medicare's official clinician data lists Catherine E. Oakley at 1 hospital: Frederick Health Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Catherine E. Oakley see patients?
- Medicare's clinician data lists 1 practice location in Frederick, MD. Call before your visit to confirm the address.
- What is Catherine E. Oakley's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Catherine E. Oakley accept Medicare assignment?
- Yes. Medicare's clinician data says Catherine E. Oakley 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.
- Does Catherine E. Oakley offer telehealth?
- Medicare's clinician data says Catherine E. Oakley offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Catherine E. Oakley?
- (301) 694-9033, as listed in official Medicare / NPI Registry data.
- What is Catherine E. Oakley's NPI number?
- 1235948274. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Catherine E. Oakley works
Medicare's Facility Affiliation Data lists Catherine E. Oakley at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Frederick Health HospitalFrederick, MD · Acute Care Hospital · CCN 210005
Practice locations
Addresses where Catherine E. Oakley is enrolled with Medicare (CMS data updated 2026-10-02).
- 74 Thomas Johnson DrFrederick, MD 21702 (301) 694‑9033
Group practices
Medicare enrollment lists Catherine E. Oakley as a member of this group (CMS data updated 2026-10-02).
- Sherman Kahan, M.D., P.A.17 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Frederick
Clinicians with the same Medicare primary specialty in Frederick, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2024 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235948274 |
| 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