Doctor profile · Federal record

Dr. Caitlyn O'Conor, PA-C

Physician Assistant · Boston, MA

  • NPI 1437787827
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Washington St
Boston, MA 021111552
(617) 636-5000

Credentials & registration

NPPES · NUCC
NPI registered
March 2020 — 6 yrs on file
Profile last updated
January 14, 2026
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Massachusetts #PA7793

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437787827. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
112
Distinct HCPCS
5
Medicare allowed
$11,804
HCPCS Description Services Patients Avg allowed
99203 New patient office or other outpatient visit, 30-44 minutes 29 29 $105
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $155
99214 Established patient office or other outpatient visit, 30-39 minutes 23 22 $119
99213 Established patient office or other outpatient visit, 20-29 minutes 20 18 $85
87428 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus and influenza 15 15 $30

In context: peer comparison

Among 211 peers in this city , average services per provider: 104. This provider delivers 1.1× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Caitlyn O'Conor's medical specialty?
Dr. Caitlyn O'Conor practices Physician Assistant in Boston, MA.
Where does Dr. Caitlyn O'Conor practice?
Dr. Caitlyn O'Conor practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365000.
What is Dr. Caitlyn O'Conor's NPI?
Dr. Caitlyn O'Conor's National Provider Identifier (NPI) is 1437787827, issued by NPPES.
Does Dr. Caitlyn O'Conor accept Medicare assignment?
Yes. Dr. Caitlyn O'Conor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Caitlyn O'Conor commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.