Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mikayla O'Brien, PA

Individual provider Physician Assistant · NPI 1053116434

Mikayla O'Brien, PA is a Physician Assistant in New York, New York. Qualified in 2024, 2 years ago. Practices with Stephen J Nicholas MD PC, a 27-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
2
Licensed in
NY
In the registry since
2025
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

159 E 74th St
New York, NY 10021-3235
Phone: (212) 737-3301
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 2 Overhill Rd, Scarsdale, NY 10583-5323 — (914) 725-6970
  • 1600 Stewart Ave, Westbury, NY 11590-6696 — (516) 243-8506

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X (NY)

Record details

NPI number1053116434
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorYes
NPI enumeratedFebruary 18, 2025
Last updated in NPPESFebruary 18, 2025
Certification dateFebruary 18, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Stephen J Nicholas Md Pc — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Travel and Lodging $805 3 payments · travel or lodging paid or reimbursed, such as to attend a conference
Food and Beverage $441 12 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Stephen J Nicholas MD PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 27 clinicians in the practice; 12 are shown here.

Other providers in New York