Michael A. Wassell, PA-C
Physician Assistant · Portsmouth, NH
Michael A. Wassell, PA-C is a physician assistant with a practice address in Portsmouth, New Hampshire, and NPI 1407893506, issued on May 31, 2006. Check the license (New Hampshire 0164P, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michael A. Wassell
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 0164P NH
PA2084 MA
PA-879 ME
Self-reported in NPPES; status is on the state search - Practice location
- 333 Borthwick Ave, Portsmouth, NH 03801
- Phone
- (603) 559-4111
- Enumerated
- May 31, 2006
- Record last updated
- Feb 27, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (603) 559-4110
- Medicaid ID
- 3074353 NH
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 947 in New Hampshire → Look up another NPI →
Also registered at 333 Borthwick Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael A. Wassell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
Search for license 0164PCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $179.85
4 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Michael A. Wassell among 947 physician assistant records in New Hampshire
Michael A. Wassell, PA-C is one of 947 physician assistant records with a practice address in New Hampshire. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 83% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2017 · 37% 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 Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 physician assistant records list a practice address in Portsmouth
They are 52 of the 1,860 NPPES records with a practice address in Portsmouth, and 947 physician assistant records in New Hampshire.
All 947 in New Hampshire → Every provider in Portsmouth → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Peter Attenborough, PA-CPortsmouth, NH 038011093895369
- Teresa Callahan, PA-CPortsmouth, NH 038011699715649
- Michele Guilfoyle, PA-CPortsmouth, NH 038011336133388
- Malcolm Hauthaway, PACPortsmouth, NH 038011396792156
- Heather Layfield, PA-CPortsmouth, NH 038011992855878
- Kathleen Leavitt, PAPortsmouth, NH 038011821211723
- Kathy Long, PA-CNewington, NH 038011326080250
- Dorothy McGrath, PA-CPortsmouth, NH 038011780641332
Common questions
What is Michael A. Wassell, PA-C's NPI number?
Michael A. Wassell, PA-C's National Provider Identifier (NPI) is 1407893506, issued on May 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Wassell, PA-C located?
The NPPES record lists a practice address at 333 Borthwick Ave, Portsmouth, NH, 03801. Phone: (603) 559-4111. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Wassell, PA-C's license?
NPPES lists New Hampshire license number 0164P, as entered by the provider. Search the New Hampshire 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.
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.