James Maynard Nickerson, M.D.
Medical Oncology Physician · Keene, NH
James Maynard Nickerson, M.D. is a medical oncology physician with a practice address in Keene, New Hampshire, and NPI 1811950843, issued on Apr 10, 2006. Check the license (New Hampshire 9781, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- James Maynard Nickerson
- Credential
- M.D.
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- 9781 NH
0420009373 VT
Self-reported in NPPES; status is on the state search - Practice location
- 590 Court St, Keene, NH 03431
- Phone
- (603) 354-5466
- Enumerated
- Apr 10, 2006
- Record last updated
- Mar 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (603) 354-5468
- Medicaid ID
- 30009784 NH
- Medicare enrollment
- Enrolled (PECOS I20051208000632); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 1983
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 30 in New Hampshire → Look up another NPI →
Also registered at 590 Court St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Anderson, M.D.Critical Care Medicine (Anesthesiology) Physician1790927168
- William Argie, PA-CMedical Physician Assistant1265519946
- Jeremy Arnold, M.D.Emergency Medicine Physician1174784557
- Payson Ayer-Dufner, PA-CPhysician Assistant1124424379
- Everett Bacon, MDEmergency Medicine Physician1669827143
- Samantha BarryFamily Nurse Practitioner1568004307
Verify James Maynard Nickerson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 9781Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average medical oncology physician in 2024
744 Medicare Part D claims for 143 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. 44 claims were for opioids.
Most prescribed
- Anastrozole110 claims
- Potassium Chloride58 claims
- Hydroxyurea53 claims
- Prednisone45 claims
- Letrozole42 claims
- Dexamethasone33 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.
3 hospitals and group practices
- Cheshire Medical CenterKeene, NH · Acute Care Hospitals4 of 5 stars
- Mary Hitchcock Memorial HospitalKeene, NH · Acute Care Hospitals3 of 5 stars
- Dartmouth-Hitchcock ClinicLebanon, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
James Maynard Nickerson among 30 medical oncology physician records in New Hampshire
James Maynard Nickerson, M.D. is one of 30 medical oncology physician records with a practice address in New Hampshire. 73% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 50% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1983 · median 2008 among the 21 with a school on file
- Record last updated2012 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in New Hampshire
There are 30 medical oncology physician records in New Hampshire.
All 30 in New Hampshire → Every provider in Keene → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Jonathan Pirruccello, MDConcord, NH 033011194352179
- Jakow Diener, M.D.Bethlehem, NH 035741902872971
- Christine Alewine, M.D./ PH.D.Lebanon, NH 037561336314533
- Bradley Arrick, M.D., PH.D.Lebanon, NH 037561265453484
- Gabriel Brooks, MDLebanon, NH 037561366598955
- Mary Chamberlin, MDLebanon, NH 037561841302593
- Tyler Curiel, M.D.Lebanon, NH 037561184799256
- Ethan Dmitrovsky, M.D.Lebanon, NH 037561346347689
Common questions
What is James Maynard Nickerson, M.D.'s NPI number?
James Maynard Nickerson, M.D.'s National Provider Identifier (NPI) is 1811950843, issued on Apr 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Maynard Nickerson, M.D. located?
The NPPES record lists a practice address at 590 Court St, Keene, NH, 03431. Phone: (603) 354-5466. Providers update this record themselves, so call before visiting.
How can I verify James Maynard Nickerson, M.D.'s license?
NPPES lists New Hampshire license number 9781, 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 James Maynard Nickerson, M.D. prescribe under Medicare Part D?
In 2024, James Maynard Nickerson, M.D. had 744 Medicare Part D claims for 143 beneficiaries; the average among medical oncology physician prescribers was 703. 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.