Elizabeth A. Holderness, CRNP
Acute Care Nurse Practitioner · Towson, MD
Elizabeth A. Holderness, CRNP is an acute care nurse practitioner with a practice address in Towson, Maryland, and NPI 1447480348, issued on Jul 26, 2009. Check the license (Maryland R170415, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth A. Holderness
- Credential
- CRNP
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- R170415 MD
Self-reported in NPPES; status is on the state search - Practice location
- 7505 Osler Dr Ste 302, Towson, MD 21204
- Phone
- (410) 337-1783
- Enumerated
- Jul 26, 2009
- Record last updated
- Jan 15, 2025
- Fax
- (410) 427-2063
- Medicare enrollment
- Enrolled (PECOS I20150506000860); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest acute care nurse practitioner records → All 755 in Maryland → Look up another NPI →
Also registered at 7505 Osler Dr Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Piazza, PA-CPhysician Assistant1710242557
Verify Elizabeth A. Holderness in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R170415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
462 Medicare Part D claims for 108 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. 29 claims were for opioids.
Most prescribed
- Metoprolol Succinate79 claims
- Clopidogrel59 claims
- Furosemide53 claims
- Amiodarone Hcl40 claims
- Potassium Chloride40 claims
- Oxycodone Hcl28 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): 89.3 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $124.07
1 payment: food and beverage; the largest payer was La Jolla Pharmaceutical Company. The 10,984 providers of this specialty with any payment received $647.94 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- University OF Maryland St Joseph Medical Group LLCTowson, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth A. Holderness among 755 acute care nurse practitioner records in Maryland
Elizabeth A. Holderness, CRNP is one of 755 acute care nurse practitioner records with a practice address in Maryland. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 18% of them.
- NPI issued2009 · 18% of these records are older, 78% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2008 · median 2017 among the 494 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Acute Care Nurse Practitioner providers in Maryland
There are 755 acute care nurse practitioner records in Maryland.
All 755 in Maryland → Every provider in Towson → Acute Care Nurse Practitioner nationwide →
The 8 acute care nurse practitioner records with the nearest ZIP codes
- Deborah Baker, ACNPBaltimore, MD 212041477699452
- Cathleen Barenski, ACNPBaltimore, MD 212041477740397
- Elizabeth Brannan, MSN, RN, CRNP-ACUTETowson, MD 212041386870053
- Kimberly Griffin, CRNPTowson, MD 212041982943551
- Ellen JoynerTowson, MD 212041508148768
- Zaius Marsalek, CRNPTowson, MD 212041326556291
- Christina Martin, NPTowson, MD 212041689605537
- Carrie ParrottBaltimore, MD 212041376799197
Common questions
What is Elizabeth A. Holderness, CRNP's NPI number?
Elizabeth A. Holderness, CRNP's National Provider Identifier (NPI) is 1447480348, issued on Jul 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth A. Holderness, CRNP located?
The NPPES record lists a practice address at 7505 Osler Dr Ste 302, Towson, MD, 21204. Phone: (410) 337-1783. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth A. Holderness, CRNP's license?
NPPES lists Maryland license number R170415, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth A. Holderness, CRNP prescribe under Medicare Part D?
In 2024, Elizabeth A. Holderness, CRNP had 462 Medicare Part D claims for 108 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Elizabeth A. Holderness, CRNP's MIPS final score?
The 2023 MIPS final score is 89.3 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.