Quick answers
- Does Patricia K. Keenan accept Medicare assignment?
- Yes. Medicare's clinician data says Patricia K. Keenan 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 Patricia K. Keenan see?
- In 2024, CMS data shows 636 Original Medicare patients and 9,625 services for Patricia K. Keenan. This counts Original Medicare only and measures volume, not quality.
- What is Patricia K. Keenan's NPI number?
- 1306918511. 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 Patricia K. Keenan, 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 | 636 |
|---|---|
| Services billed to Medicare | 9,625 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, methylprednisolone acetate, 1 mg (J1010)5,168 services
- Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg (J7318)1,140 services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)860 services
- X-ray of knee, 3 views (73562)508 services
- Aspiration and/or injection of fluid from large joint (20610)482 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%
- Arthritis75%
- Ischemic heart disease31%
- Diabetes27%
- Anxiety23%
Hospitals where Patricia K. Keenan works
Medicare's Facility Affiliation Data lists Patricia K. Keenan 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.
- Mary Washington HospitalFredericksburg, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490022
- Stafford Hospital, LLCStafford, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490140
Practice locations
Addresses where Patricia K. Keenan is enrolled with Medicare (CMS data updated October 2, 2026).
- 1001 Sam Perry BlvdFredericksburg, VA 22401 (540) 741‑1100
- 1301 Sam Perry Blvd, Suite 200Fredericksburg, VA 22401 (540) 373‑4602
- 3310 Fall Hill AveFredericksburg, VA 22401 (540) 373‑4602
- 4710 Spotsylvania PkwyFredericksburg, VA 22407
- 90 Greenspring DrStafford, VA 22554 (540) 373‑4602
Group practices
Medicare enrollment lists Patricia K. Keenan as a member of this group (CMS data updated October 2, 2026).
- Mary Washington Healthcare Physicians282 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Fredericksburg
Clinicians with the same Medicare primary specialty in Fredericksburg, VA — not a recommendation.
Other clinicians in Mary Washington Healthcare Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | George Washington University School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306918511 |
| 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