NPPES file of Aug 9, 2026

Caitlyn Elizabeth O'Brien, PA-C

Physician Assistant · Staten Island, NY

Caitlyn Elizabeth O'Brien, PA-C is a physician assistant with a practice address in Staten Island, New York, and NPI 1194515882, issued on May 7, 2025. Check the license with the New York board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1194515882
Name
Caitlyn Elizabeth O'Brien
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
Practice location
1099 Targee St, Staten Island, NY 10304
Phone
(718) 667-7500
Enumerated
May 7, 2025
Record last updated
May 5, 2026
Medicare enrollment
Enrolled (PECOS I20250916001915); accepts Medicare assignment
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.
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8 nearest physician assistant records → All 15,555 in New York → Look up another NPI →

Also registered at 1099 Targee St

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

  1. Glenn Babus, DOPain Medicine (Anesthesiology) Physician1700867413
  2. Clare Beagen-McHugh, PAPhysician Assistant1295718856
  3. Elaina Caporale, PA-CPhysician Assistant1275524043
  4. Edwin Chang, MDNeurological Surgery Physician1356322697
  5. Stephen Kulick, MDNeurology Physician1265413975
  6. Steven Lin, D.O.Neurology Physician1922338334

Verify Caitlyn Elizabeth O'Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New York board licenses this professionCheck 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 New York license search

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Bills Medicare through one group practice

  1. True North Medical Group PCStaten Island, NY

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

Caitlyn Elizabeth O'Brien among 15,555 physician assistant records in New York

Caitlyn Elizabeth O'Brien, PA-C is one of 15,555 physician assistant records with a practice address in New York. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 89% of them.

  • NPI issued2025 · 89% of these records are older, 4% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated2025 · median 2018 among the 8,158 with a school on file
  • Record last updated2026 · 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 363A00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

388 physician assistant records list a practice address in Staten Island

They are 388 of the 12,351 NPPES records with a practice address in Staten Island, and 15,555 physician assistant records in New York.

All 15,555 in New York → Every provider in Staten Island → Physician Assistant nationwide →

The 8 physician assistant records with the nearest ZIP codes

  1. Clare Beagen-McHugh, PAStaten Island, NY 103041295718856
  2. Elaina Caporale, PA-CStaten Island, NY 103041275524043
  3. Amparo Hoard, PAStaten Island, NY 103041619853173
  4. Kurt Johnson, RPANew York, NY 103041639479769
  5. Vladislav Kuznetsov, PAStaten Island, NY 103041972741023
  6. Vincent Lanzillo, PAStaten Island, NY 103041164309076
  7. Kristen Letendre, PA-CStaten Island, NY 103041528597317
  8. Marissa Maurino, PA-CStaten Island, NY 103041467560870

Common questions

What is Caitlyn Elizabeth O'Brien, PA-C's NPI number?

Caitlyn Elizabeth O'Brien, PA-C's National Provider Identifier (NPI) is 1194515882, issued on May 7, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Caitlyn Elizabeth O'Brien, PA-C located?

The NPPES record lists a practice address at 1099 Targee St, Staten Island, NY, 10304. Phone: (718) 667-7500. Providers update this record themselves, so call before visiting.

How can I verify Caitlyn Elizabeth O'Brien, PA-C's license?

Search the New York board that licenses this profession; the NPPES record confirms identity only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.