Doctor profile · Federal record

Dr. Michael Wassell, PA-C

Physician Assistant · Physician Assistant · Physician Assistant · Portsmouth, NH

  • NPI 1407893506
  • 20 yrs on file
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
333 Borthwick Ave, Suite 402
Portsmouth, NH 038017128
(603) 559-4111
fax (603) 559-4110

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 27, 2017
Specialty taxonomy
363A00000X — NUCC code
State licenses (3)
New Hampshire #0164P · Maine #PA-879 · Massachusetts #PA2084
Medicaid
NH #3074353

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407893506. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
54
Distinct HCPCS
3
Medicare allowed
$4,295
HCPCS Description Services Patients Avg allowed
33508 Harvest of vein using an endoscope 25 25 $2
33533 Coronary artery bypass using artery graft, 1 graft 17 17 $211
33518 Coronary artery bypass using vein or artery graft, 2 grafts 12 12 $54

In context: peer comparison

Among 20 peers in this city , average services per provider: 67. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$180
Transactions
4
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 1 $122.22
Edwards Lifesciences Corporation 1 $22.31
ATRICURE, INC. 1 $18.71
Stryker Corporation 1 $16.61

By nature of payment

Food and Beverage
$180

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Wassell's medical specialty?
Dr. Michael Wassell practices Physician Assistant in Portsmouth, NH.
Where does Dr. Michael Wassell practice?
Dr. Michael Wassell practices at 333 Borthwick Ave, Portsmouth, NH 038017128. Office phone: 6035594111.
What is Dr. Michael Wassell's NPI?
Dr. Michael Wassell's National Provider Identifier (NPI) is 1407893506, issued by NPPES.
What procedures does Dr. Michael Wassell commonly perform?
Top Medicare-reported procedures in 2023: Harvest of vein using an endoscope (HCPCS 33508); Coronary artery bypass using artery graft, 1 graft (HCPCS 33533); Coronary artery bypass using vein or artery graft, 2 grafts (HCPCS 33518). Source: CMS Medicare Physician & Other Practitioners file.