Provider Profile
Mary Jo Holloran, CRNP
Unclaimed ProfileAbout Mary Jo Holloran
Listed in the NPI registry as a nurse practitioner, Mary Jo Holloran, CRNP practices in Towson, MD. According to Medicare claims data, Mary Jo cared for 842 Medicare patients across 1,916 services. The services billed most often include injection, triamcinolone acetonide, not otherwise specified, 10 mg, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and aspiration and/or injection of fluid from large joint. NPI 1558375600 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 337-7900
- Email not available
Practice Locations
8322 BELLONA AVE SUITE 100
Towson, MD 21204
Procedures Most Often Billed to Medicare
1,916 services · 842 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
152 | More often than most peers in Nurse Practitioner |
| Injection into tendon or ligament | Procedure | 20550 |
51 | More often than most peers in Nurse Practitioner |
| Closed treatment of broken forearm (radius) bone at the wrist area on the thumb side of the wrist without manipulation | Procedure | 25600 |
13 | Too few peers to compare |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
13 | Less often than most peers in Nurse Practitioner |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
122 | More than most peers in Nurse Practitioner |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
51 | More often than most peers in Nurse Practitioner |
| X-ray of knee, 4 or more views | Imaging | 73564 |
45 | As often as other peers in Nurse Practitioner |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
41 | As often as other peers in Nurse Practitioner |
| X-ray of elbow, minimum of 3 views | Imaging | 73080 |
38 | More than most peers in Nurse Practitioner |
| X-ray of finger, minimum of 2 views | Imaging | 73140 |
34 | More often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Towson 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1980 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MD who bill this service to Medicare most often.
Common questions
What does Mary Jo Holloran specialize in?
Mary Jo Holloran is a nurse practitioner in Towson, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Mary Jo Holloran located?
Mary Jo Holloran is listed at 8322 Bellona Ave Suite 100, Towson, MD 21204. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mary Jo Holloran's phone number?
The number on file is (410) 337-7900. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mary Jo Holloran's NPI number?
Mary Jo Holloran's National Provider Identifier is 1558375600. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Jo Holloran train?
Mary Jo Holloran attended Other, graduating in 1980. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Jo Holloran been practicing?
Mary Jo Holloran has 46 years experience. Calculated from a graduation year of 1980, reported in the CMS National Downloadable File.
CMS public data
What does Mary Jo Holloran do most often?
According to Medicare billing data, Mary Jo Holloran performs procedures including aspiration and/or injection of fluid from large joint, injection into tendon or ligament and closed treatment of broken forearm bone at the wrist area on the thumb side of the wrist without manipulation; reads or performs imaging such as x-ray of hand, minimum of 3 views and x-ray of wrist, minimum of 3 views, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Jo Holloran confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Jo Holloran. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.