Quick answers
- Does Mary Jo M. Holloran accept Medicare assignment?
- Yes. Medicare's clinician data says Mary Jo M. Holloran 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 Mary Jo M. Holloran see?
- In 2024, CMS data shows 287 Original Medicare patients and 2,735 services for Mary Jo M. Holloran. This counts Original Medicare only and measures volume, not quality.
- What is Mary Jo M. Holloran's NPI number?
- 1558375600. 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 Mary Jo M. Holloran, 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 | 287 |
|---|---|
| Services billed to Medicare | 2,735 |
| Different services or procedures | 67 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)980 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)166 services
- Aspiration and/or injection of fluid from large joint (20610)152 services
- X-ray of hand, minimum of 3 views (73130)122 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)111 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 cholesterol75%
- High blood pressure69%
- Arthritis68%
- Ischemic heart disease26%
- Anxiety26%
- Diabetes25%
Practice locations
Addresses where Mary Jo M. Holloran is enrolled with Medicare (CMS data updated October 2, 2026).
- 12 Newport Dr, Suite AForest Hill, MD 21050
- 8322 Bellona AveTowson, MD 21204
- 8322 Bellona Ave, Suite 300Towson, MD 21204 (410) 337‑7900
- 9110 Philadelphia Rd, Suite 308Rosedale, MD 21237 (410) 569‑8587
Group practices
Medicare enrollment lists Mary Jo M. Holloran as a member of these groups (CMS data updated October 2, 2026).
- Agape Physical Therapy and Sports Rehabilitation LP678 clinicians in the group
- University of Maryland St. Joseph Orthopaedics, LLC36 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Forest Hill
Clinicians with the same Medicare primary specialty in Forest Hill, MD — not a recommendation.
Other clinicians in Agape Physical Therapy and Sports Rehabilitation LP
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 1980 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1558375600 |
| 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 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