Ken Maynard, M.D.
Neurological Surgery Physician · Portsmouth, NH
Ken Maynard, M.D. is a neurological surgery physician with a practice address in Portsmouth, New Hampshire, and NPI 1861812372, issued on Apr 23, 2014. Check the license (New Hampshire 24589, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ken Maynard
- Credential
- M.D.
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 24589 NH
MD18183 RI
BP10052651 TX
Self-reported in NPPES; status is on the state search - Practice location
- 330 Borthwick Ave Ste 300, Portsmouth, NH 03801
- Phone
- (603) 433-4666
- Enumerated
- Apr 23, 2014
- Record last updated
- Mar 4, 2025
- Fax
- (603) 433-1338
- Medicare enrollment
- Enrolled (PECOS I20230831003128); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 35 in New Hampshire → Look up another NPI →
Verify Ken Maynard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 24589Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
20% fewer Medicare Part D claims than the average neurological surgery physician in 2024
138 Medicare Part D claims for 59 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. 39 claims were for opioids.
Most prescribed
- Oxycodone Hcl37 claims
- Methylprednisolone30 claims
- Gabapentin23 claims
- Cyclobenzaprine Hcl16 claims
- Tizanidine Hcl16 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: $69.00
1 payment: food and beverage; the largest payer was Alphatec Spine, Inc. The 5,377 providers of this specialty with any payment received $14,925.58 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.
Bills Medicare through one group practice
- Appledore Medical Group IncRochester, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ken Maynard among 35 neurological surgery physician records in New Hampshire
Ken Maynard, M.D. is one of 35 neurological surgery physician records with a practice address in New Hampshire. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 89% of them.
- NPI issued2014 · 89% of these records are older, 6% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2014 · median 2005 among the 28 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in New Hampshire
There are 35 neurological surgery physician records in New Hampshire.
All 35 in New Hampshire → Every provider in Portsmouth → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Gareth Davies, M.D.Portsmouth, NH 038011609033232
- Henry Pallatroni, MDPortsmouth, NH 038011003880238
- Melvin Prostkoff, M.D.Dover, NH 038201255566907
- Hulda Magnadottir, M.D.Lebanon, NH 037661750562260
- Joseph Phillips, MDLebanon, NH 037661225138712
- Harold Pikus, MDLebanon, NH 037661801890629
- Joshua Aronson, M.D.Lebanon, NH 037561093970949
- Perry Ball, M.D.Lebanon, NH 037561144322371
Common questions
What is Ken Maynard, M.D.'s NPI number?
Ken Maynard, M.D.'s National Provider Identifier (NPI) is 1861812372, issued on Apr 23, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Ken Maynard, M.D. located?
The NPPES record lists a practice address at 330 Borthwick Ave Ste 300, Portsmouth, NH, 03801. Phone: (603) 433-4666. Providers update this record themselves, so call before visiting.
How can I verify Ken Maynard, M.D.'s license?
NPPES lists New Hampshire license number 24589, 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 Ken Maynard, M.D. prescribe under Medicare Part D?
In 2024, Ken Maynard, M.D. had 138 Medicare Part D claims for 59 beneficiaries; the average among neurological surgery physician prescribers was 172. 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.