NPPES file of Aug 9, 2026

Mary Jo Holloran, CRNP

Nurse Practitioner · Towson, MD

Mary Jo Holloran, CRNP is a nurse practitioner with a practice address in Towson, Maryland, and NPI 1558375600, issued on Jul 27, 2006. Check the license (Maryland R072884, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558375600
Name
Mary Jo Holloran
Credential
CRNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
R072884 MD
Self-reported in NPPES; status is on the state search
Practice location
8322 Bellona Ave, Towson, MD 21204
Phone
(410) 337-7900
Enumerated
Jul 27, 2006
Record last updated
Nov 13, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(410) 821-1334
Medicare enrollment
Enrolled (PECOS I20100309000549); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 8322 Bellona Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. David Ambrose, BS ATC PTAPhysical Therapy Assistant1124122296
  2. Mary Anthony, CRNPAdult Health Nurse Practitioner1982620746
  3. Jeffrey Brodie, MDOrthopaedic Foot and Ankle Surgery Physician1386665735
  4. Nicole Brummer, D.D.S., M.S.Orthodontics and Dentofacial Orthopedics Dentistry1396892212
  5. Stephen Busky, M.D.Urology Physician1619924008
  6. Frank Catanzariti, MDOrthopaedic Surgery Physician1063430502

Verify Mary Jo Holloran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license R072884
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Maryland license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

94% fewer Medicare Part D claims than the average nurse practitioner in 2024

68 Medicare Part D claims for 48 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 23 claims were for opioids.

  1. Mary Jo Holloran68
  2. Specialty average1,109

Most prescribed

  1. Meloxicam21 claims
  2. Methylprednisolone17 claims
  3. Tramadol Hcl16 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.3
  2. Costout of 100 · 30%72.1
  3. Promoting interoperabilityout of 100 · 25%92.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Agape Physical Therapy And Sports Rehabilitation LPForest Hill, MD
  2. University OF Maryland St. Joseph Orthopaedics, LLCTowson, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Jo Holloran among 1,248 nurse practitioner records in Maryland

Mary Jo Holloran, CRNP is one of 1,248 nurse practitioner records with a practice address in Maryland. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 74% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1980 · median 2018 among the 655 with a school on file
  • Record last updated2013 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in Maryland

There are 1,248 nurse practitioner records in Maryland.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Sherry Cohen, CRNP-F, APRN-PMHBaltimore, MD 212041164471348
  2. Eileen Ehudin Beard, NPBaltimore, MD 212041619027877
  3. Beth Emami, CRNPBaltimore, MD 212041417986365
  4. Elizabeth Galik, RN CRNP PHDBaltimore, MD 212041124028261
  5. Marian Grant, CRNPBaltimore, MD 212041528022415
  6. Gloria HsuBaltimore, MD 212041326143876
  7. Virginia Jump, C.R.N.P.Towson, MD 212041700937000
  8. Meredith Lizmi, CRNPBaltimore, MD 212041659319242

Common questions

What is Mary Jo Holloran, CRNP's NPI number?

Mary Jo Holloran, CRNP's National Provider Identifier (NPI) is 1558375600, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Jo Holloran, CRNP located?

The NPPES record lists a practice address at 8322 Bellona Ave, Towson, MD, 21204. Phone: (410) 337-7900. Providers update this record themselves, so call before visiting.

How can I verify Mary Jo Holloran, CRNP's license?

NPPES lists Maryland license number R072884, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Jo Holloran, CRNP prescribe under Medicare Part D?

In 2024, Mary Jo Holloran, CRNP had 68 Medicare Part D claims for 48 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

What is Mary Jo Holloran, CRNP's MIPS final score?

The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.