Helen Byrnes
Acute Care Nurse Practitioner · Baltimore, MD
Helen Byrnes is an acute care nurse practitioner with a practice address in Baltimore, Maryland, and NPI 1538589528, issued on Apr 17, 2014. Check the license (Maryland R135143, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Helen Byrnes
- Primary taxonomy
- Acute Care Nurse Practitioner 363LA2100X
- License number
- R135143 MD
Self-reported in NPPES; status is on the state search - Practice location
- 401 North Broadway, Baltimore, MD 21231
- Phone
- (410) 614-6416
- Enumerated
- Apr 17, 2014
- Record last updated
- Dec 29, 2025
- Medicare enrollment
- Enrolled (PECOS I20140821001593); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 401 North Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Hacker-Prietz, PA-CPhysician Assistant1811129885
Verify Helen Byrnes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license R135143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024
580 Medicare Part D claims for 76 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 15 claims were for opioids.
Most prescribed
- Valacyclovir74 claims
- Posaconazole39 claims
- Venclexta33 claims
- Moxifloxacin Hcl23 claims
- Pantoprazole Sodium23 claims
- Escitalopram Oxalate21 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): 74.4 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: $204.33
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
423 acute care nurse practitioner records list a practice address in Baltimore
They are 423 of the 35,183 NPPES records with a practice address in Baltimore, and 755 acute care nurse practitioner records in Maryland.
All 423 in Baltimore → All 755 in Maryland → Every provider in Baltimore →
Other acute care nurse practitioner records in Maryland
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- Luverne Abogadie, DNP, AGACNP-BCSilver Spring, MD1386239234
- Krishna AcharyaBaltimore, MD1811623176
- Rosemary Acorda, CRNPTakoma Park, MD1760618342
- Monisola Adedeji, NPBaltimore, MD1598686156
- Michelle Adelstein, ACNPBaltimore, MD1396956488
- Saba AdemeSilver Spring, MD1124760319
- Oluwatoyin Adisa, ACNPBaltimore, MD1013156181
Common questions
What is Helen Byrnes's NPI number?
Helen Byrnes's National Provider Identifier (NPI) is 1538589528, issued on Apr 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Helen Byrnes located?
The NPPES record lists a practice address at 401 North Broadway, Baltimore, MD, 21231. Phone: (410) 614-6416. Providers update this record themselves, so call before visiting.
How can I verify Helen Byrnes's license?
NPPES lists Maryland license number R135143, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Helen Byrnes prescribe under Medicare Part D?
In 2024, Helen Byrnes had 580 Medicare Part D claims for 76 beneficiaries; the average among acute care nurse practitioner prescribers was 594. Part D covers Medicare prescriptions only.
What is Helen Byrnes's MIPS final score?
The 2023 MIPS final score is 74.4 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.