Mark Clark, PA
Physician Assistant · Greenfield, NH
Mark Clark, PA is a physician assistant with a practice address in Greenfield, New Hampshire, and NPI 1235115213, issued on Dec 21, 2005. Check the license (New Hampshire 0362, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Clark
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 0362 NH
Self-reported in NPPES; status is on the state search - Practice location
- 1 Verney Drive, Greenfield, NH 03047
- Phone
- (603) 305-0628
- Enumerated
- Dec 21, 2005
- Entity
- Type 1 · individual
Also registered at 1 Verney Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelli DubeSchool Psychologist1295119345
- Heidi McLennan, OT/LOccupational Therapist1821397134
Verify Mark Clark 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 0362Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
64% fewer Medicare Part D claims than the average physician assistant in 2024
296 Medicare Part D claims for 266 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass54 claims
- Nitrofurantoin Mono-Macro46 claims
- Azithromycin22 claims
- Sulfamethoxazole-Trimethoprim22 claims
- Prednisone19 claims
- Cephalexin18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital or facility affiliation
- Urgent Care Operations PCNorth Andover, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1 physician assistant records list a Greenfield practice address
They are 1 of the 61 NPPES records with a Greenfield practice address, and 890 physician assistant records in New Hampshire.
Other physician assistant records in New Hampshire
- Micala Abbiati, PA-CBedford, NH1437702123
- Robin Abeles, PA-CNorth Conway, NH1285119875
- Maud AbessNew London, NH1174715452
- Rosemarie Addante, PA-CLebanon, NH1356846752
- Anna Adler, PA-CLebanon, NH1578216677
- Lisa Ahava, PAChesterfield, NH1487693453
- Ssara AhmmedManchester, NH1144140138
- Liliana Rose Akin, PA-S2Manchester, NH1205793551
- David Allen, PANashua, NH1952337982
- Katrina Allen, PA-CWindham, NH1336613181
Common questions
What is Mark Clark, PA's NPI number?
Mark Clark, PA's National Provider Identifier (NPI) is 1235115213, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Clark, PA located?
The NPPES record lists a practice address at 1 Verney Drive, Greenfield, NH, 03047. Phone: (603) 305-0628. Providers update this record themselves, so call before visiting.
How can I verify Mark Clark, PA's license?
NPPES lists New Hampshire license number 0362, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Clark, PA prescribe under Medicare Part D?
In 2024, Mark Clark, PA had 296 Medicare Part D claims for 266 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.