Karen Mather
Physician Assistant · Manchester, NH
Karen Mather is a physician assistant with a practice address in Manchester, New Hampshire, and NPI 1558805457, issued on Dec 12, 2016. Check the license (New Hampshire 1225, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen Mather
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 1225 NH
Self-reported in NPPES; status is on the state search - Practice location
- 145 Hollis St, Manchester, NH 03101
- Phone
- (603) 626-9500
- Enumerated
- Dec 12, 2016
- Record last updated
- Jul 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 145 Hollis St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Simone Bazile, PMHNPPsychiatric/Mental Health Nurse Practitioner1851110498
- Heather Bell, PA-CPhysician Assistant1487011326
- Melissa BerryClinical Social Worker1609454412
- Sandra Bryant, LDNNutritionist1215566088
Verify Karen Mather 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 1225Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% more Medicare Part D claims than the average physician assistant in 2024
1,338 Medicare Part D claims for 118 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 17 claims were for opioids.
Most prescribed
- Buprenorphine-Naloxone60 claims
- Atorvastatin Calcium58 claims
- Lisinopril58 claims
- Simvastatin47 claims
- Metformin Hcl43 claims
- Hydrochlorothiazide35 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.
Industry payments in 2024: $58.28
3 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.
164 physician assistant records list a practice address in Manchester
They are 164 of the 4,401 NPPES records with a practice address in Manchester, and 947 physician assistant records in New Hampshire.
All 164 in Manchester → All 947 in New Hampshire → Every provider in Manchester →
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
- Matthew Alexander, PHD, PA-SLebanon, NH1548721517
- David Allen, PANashua, NH1952337982
Common questions
What is Karen Mather's NPI number?
Karen Mather's National Provider Identifier (NPI) is 1558805457, issued on Dec 12, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Karen Mather located?
The NPPES record lists a practice address at 145 Hollis St, Manchester, NH, 03101. Phone: (603) 626-9500. Providers update this record themselves, so call before visiting.
How can I verify Karen Mather's license?
NPPES lists New Hampshire license number 1225, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.
How much does Karen Mather prescribe under Medicare Part D?
In 2024, Karen Mather had 1,338 Medicare Part D claims for 118 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions 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.