Are you Matthew S. Chouinard? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileMatthew S. Chouinard is a physician assistant based in Portsmouth, NH. Medicare claims data shows Matthew provided 574 services to 515 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, removal of impacted ear wax, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1790474237.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
14 MANCHESTER SQ STE 210
Portsmouth, NH 03801
35 Walker St Ste 200
Kittery, ME 03904
574 services · 515 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax | Procedure | 69210 |
164 | More often than most peers in Physician Assistant |
| Diagnostic exam of voice box using a flexible endoscope | Procedure | 31575 |
25 | As often as other peers in Physician Assistant |
| Diagnostic exam of nasal passages using an endoscope | Procedure | 31231 |
22 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
175 | More often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
67 | As often as other peers in Physician Assistant |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
45 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
41 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
35 | As often as other peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Matthew S. Chouinard is a physician assistant in Portsmouth, NH. That is the designation recorded for this NPI in the federal registry.
NPI registry
Matthew S. Chouinard is listed at 14 Manchester Sq Ste 210, Portsmouth, NH 03801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (207) 475-0100. Contact the office directly to confirm availability and scheduling.
NPI registry
Matthew S. Chouinard's National Provider Identifier is 1790474237. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Matthew S. Chouinard attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Matthew S. Chouinard has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Matthew S. Chouinard performs procedures including removal of impacted ear wax, diagnostic exam of voice box using a flexible endoscope and diagnostic exam of nasal passages using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Matthew S. Chouinard. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.
A GigHz company · Founder: Pouyan Golshani, MD