Karen L. Palmer, DO
Family Medicine Physician · Portsmouth, NH
Karen L. Palmer, DO is a family medicine physician with a practice address in Portsmouth, New Hampshire, and NPI 1326029380, issued on Nov 8, 2005. Check the license (New Hampshire 14811, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Karen L. Palmer
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 14811 NH
Self-reported in NPPES; status is on the state search - Practice location
- 25 New Hampshire Ave, Portsmouth, NH 03801
- Phone
- (603) 431-2516
- Enumerated
- Nov 8, 2005
- Record last updated
- Feb 4, 2022
- Fax
- (603) 431-9945
- Medicaid ID
- 3087493 NH
- Medicare enrollment
- Enrolled (PECOS I20101028001048); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 25 New Hampshire Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yohanna Garcia Hernandez, NPFamily Nurse Practitioner1508267345
- Phenton Harker, MDPublic Health & General Preventive Medicine Physician1629148911
- Paris Khavari, MDInternal Medicine Physician1790889434
- Katharina Lilly, MDFamily Medicine Physician1891992772
- Tracy Meattey, PAMedical Physician Assistant1942372206
- Susan Murray, MDFamily Medicine Physician1831288125
Verify Karen L. Palmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 14811Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average family medicine physician in 2024
2,801 Medicare Part D claims for 266 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Atorvastatin Calcium380 claims
- Levothyroxine Sodium188 claims
- Lisinopril141 claims
- Losartan Potassium99 claims
- Hydrochlorothiazide83 claims
- Amlodipine Besylate80 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Appledore Medical Group IncPortsmouth, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
36 family medicine physician records list a practice address in Portsmouth
They are 36 of the 1,860 NPPES records with a practice address in Portsmouth, and 816 family medicine physician records in New Hampshire.
All 36 in Portsmouth → All 816 in New Hampshire → Every provider in Portsmouth →
Other family medicine physician records in New Hampshire
- Ruba Abdullah, MDConcord, NH1336871524
- Iryna Aberkorn, MDLebanon, NH1780846071
- Bruce Abramowitz, DOWindham, NH1801276167
- Francis Adams, MDLebanon, NH1578581898
- Glenn Adams, DOGroveton, NH1952387714
- Karin Adelman, M.D.Nashua, NH1982674354
- Sangita Agarwal, MDDover, NH1912953316
- Andres Aguilera-Fish, MDLittleton, NH1578183992
- Noor Al Humaidhi, MDExeter, NH1821502329
- Keenan Al-Hojerry, MDPortsmouth, NH1063468981
Common questions
What is Karen L. Palmer, DO's NPI number?
Karen L. Palmer, DO's National Provider Identifier (NPI) is 1326029380, issued on Nov 8, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Karen L. Palmer, DO located?
The NPPES record lists a practice address at 25 New Hampshire Ave, Portsmouth, NH, 03801. Phone: (603) 431-2516. Providers update this record themselves, so call before visiting.
How can I verify Karen L. Palmer, DO's license?
NPPES lists New Hampshire license number 14811, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Karen L. Palmer, DO prescribe under Medicare Part D?
In 2024, Karen L. Palmer, DO had 2,801 Medicare Part D claims for 266 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Karen L. Palmer, DO's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.