Nicholas Walter Martirossian , PA-C
Physician Assistant • Westerly, RI
Professional Overview & Biography Verified Profile Summary
Nicholas Martirossian, PA-C is a certified Physician Assistant practicing in Westerly, RI. With approximately 4 years of clinical experience since graduating from Yale University School Of Medicine in 2022, Nicholas Martirossian delivers high-quality medical care to the local community at 25 WELLS ST.
Nicholas Martirossian maintains professional affiliations with Lawrence And Memorial Hospital Inc., Lmw Healthcare Inc and accepts Medicare assignment.
Frequently performed procedures and clinical services include emergency department visit for life threatening or functioning severity, emergency department visit with moderate level of medical decision making, emergency department visit with low level of medical decision making. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
25 Wells St
Westerly, RI 028912922
Medicare Profile & Education
Yale University School Of Medicine
2022
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Physician Assistant in Westerly, RI
Practicing in Westerly, RI (687 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99285
Emergency department visit for life threatening or functioning severity
|
146 | 146 | $1169.00 | $148.95 |
|
99284
Emergency department visit with moderate level of medical decision making
|
114 | 113 | $750.00 | $103.49 |
|
99283
Emergency department visit with low level of medical decision making
|
50 | 50 | $480.00 | $61.10 |
|
99291
Critical care, first 30-74 minutes
|
12 | 11 | $1578.00 | $180.98 |
Medical Specialties & State Licenses
CMS Verified: 2026-06-15NUCC Taxonomy Code: 363A00000X
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
NUCC Taxonomy Code: 363AM0700X
Definition to come...
Hospital & Practice Group Affiliations
Lmw Healthcare Inc
25 Wells St, Westerly, RI 028912922
Phone: 4015866000
Lawrence And Memorial Hospital Inc.
365 Montauk Ave, New London, CT 063204700
Phone: 8604420711
Secondary Practice Locations
593 Eddy St
Providence, RI 029034923
Phone: 4016062645
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Registered Nurse
Registered Nurse
Registered Nurse - Emergency
Registered Nurse
Physician Assistant
Physician Assistant (Certified)
Physician Assistant
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Physician Assistant (License #PA01535 in RI)
NPI status registered as active in NPPES database
Registered at 25 WELLS ST, WESTERLY, RI 028912922 (Tel: 4013483325)
Registered at 222 POST RD STE 5B, WESTERLY, RI 028912686 (Tel: 4015233883)
Recorded as NICHOLAS MARTIROSSIAN, PA-C
Physician Assistant
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
222 Post Rd Ste 5b
Westerly, RI 028912686
Phone: 4015233883
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.