HELEN BYRNES
NPI 1538589528
Nurse Practitioner - Acute Care in Baltimore, MD

Active since April 17, 2014PECOS Enrolled
74.39/100
CMS Quality Rating
401 NORTH BROADWAY, THE HARRY AND JEANETTE WEINBERG BUILDING, BALTIMORE, MD 21231(410) 614-6416 Get Directions Write a Review

NPPES record last updated: December 29, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Helen Byrnes NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HELEN BYRNES (NPI 1538589528) is an individual acute care provider in Baltimore, Maryland, licensed in Maryland (R135143) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Johns Hopkins Hospital, The, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1538589528
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameHELEN BYRNES
Location Address401 NORTH BROADWAY, THE HARRY AND JEANETTE WEINBERG BUILDINGBaltimore, MD 21231-2410
Mailing Address6201 Greenleigh AveMiddle River, MD 21220-2004 · (410) 955-5000
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateApril 17, 2014
Last NPPES UpdateDecember 29, 2025
NPPES CertifiedDecember 29, 2025
NPI 1538589528 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License Licensed in MD · R135143
401 NORTH BROADWAY, Baltimore, MD 21231

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Helen Byrnes is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9537383617
PECOS Enrollment IDI20140821001593
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
319 services89 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
121 services53 patients
Biopsy and aspiration of bone marrow sample for diagnosis 38222
A bone marrow biopsy and aspiration is a procedure where a small amount of bone marrow is removed for testing. It involves inserting a needle into a bone, typically the hip, to collect a sample. It can help diagnose various diseases and monitor treatment effectiveness.
38 services38 patients
Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152
This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.
19 services19 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Johns Hopkins Hospital, The

Acute Care Hospitals · Baltimore, MD
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number210009
Location600 North Wolfe StreetBaltimore, MD 21287 · Baltimore City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21231 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.08 typical visit price
range $60.73 – $183.44
Typical copayment $23.52 (range $15.18 – $45.86)
Most-billed visit code 99203
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality64.71
Promoting Interoperability97
Improvement Activities40
Cost52.43

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pathology (Anatomic Pathology & Clinical Pathology)
401 NORTH BROADWAY, WEINBERG 2268
BALTIMORE, MD 21231
Nurse Practitioner (Primary Care)
401 NORTH BROADWAY, SUITE 2100
BALTIMORE, MD 21231
Internal Medicine (Hematology & Oncology)
401 NORTH BROADWAY, ROOM 1363
BALTIMORE, MD 21231
Pathology (Anatomic Pathology)
401 NORTH BROADWAY, WEINBERG 2268
BALTIMORE, MD 21231
Nurse Practitioner (Acute Care)
401 NORTH BROADWAY, ROOM 1123
BALTIMORE, MD 21231
Internal Medicine (Hematology & Oncology)
401 NORTH BROADWAY, WEINBERG BDG.
BALTIMORE, MD 21231
Radiology (Radiation Oncology)
401 NORTH BROADWAY, WEINBERG 1440
BALTIMORE, MD 21231
Nurse Practitioner (Acute Care)
401 NORTH BROADWAY
BALTIMORE, MD 21231

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Helen Byrnes's NPI number?

The NPI number for Helen Byrnes is 1538589528. It was assigned to this individual provider in the NPPES registry on April 17, 2014.

Where is Helen Byrnes located?

Helen Byrnes practices at 401 North Broadway The Harry And Jeanette Weinberg Building, Baltimore, MD 21231. The listed phone number is (410) 614-6416.

What is Helen Byrnes's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Helen Byrnes enrolled in Medicare?

Yes. Helen Byrnes is registered in the Medicare PECOS enrollment system.

Is Helen Byrnes affiliated with any hospitals?

According to CMS data, Helen Byrnes is affiliated with Johns Hopkins Hospital, The.

When was this NPI record last updated?

The NPPES record for Helen Byrnes was last updated on December 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.