Brian Keith Knighton, D.O.
Family Medicine Physician · Freeport, ME
Brian Keith Knighton, D.O. is a family medicine physician with a practice address in Freeport, Maine, and NPI 1700824000, issued on Jun 2, 2006. Check the license (Maine 1648, as entered in NPPES) on the Maine Board of Licensure in Medicine; the Medicare figures below come from public CMS files.
- Name
- Brian Keith Knighton
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 1648 ME
Self-reported in NPPES; status is on the state search - Practice location
- 42 Mallett Dr, Freeport, ME 04032
- Phone
- (207) 865-3491
- Enumerated
- Jun 2, 2006
- Record last updated
- Sep 19, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20050725000016); accepts Medicare assignment
- Medical or professional school
- University Of North Texas Hsc, College Of Osteopathic Med, 1997
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,172 in Maine → Look up another NPI →
Also registered at 42 Mallett Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Easton, LCSWClinical Social Worker1841427689
- Julie Gray, PA-CPhysician Assistant1023118924
Verify Brian Keith Knighton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaine Board of Licensure in Medicine
Search for license 1648Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% more Medicare Part D claims than the average family medicine physician in 2024
4,234 Medicare Part D claims for 313 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 85 claims were for opioids.
Most prescribed
- Atorvastatin Calcium320 claims
- Amlodipine Besylate226 claims
- Rosuvastatin Calcium161 claims
- Levothyroxine Sodium148 claims
- Farxiga135 claims
- Lisinopril126 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 practice group's MIPS final score for 2023 (Medicare payment program): 79.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $5,915.82
280 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 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.
Brian Keith Knighton among 1,172 family medicine physician records in Maine
Brian Keith Knighton, D.O. is one of 1,172 family medicine physician records with a practice address in Maine. 76% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 52% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1997 · median 2008 among the 668 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family medicine physician records list a practice address in Freeport
They are 7 of the 162 NPPES records with a practice address in Freeport, and 1,172 family medicine physician records in Maine.
All 1,172 in Maine → Every provider in Freeport → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gregory Bianconi, MDFreeport, ME 040321447239074
- James Donahue, D.O.Freeport, ME 040321619916368
- David Johnson, DOFreeport, ME 040321821194267
- Kevin Kenerson, DOFreeport, ME 040321043401672
- Lisa Lucas, D.O.Freeport, ME 040321104156769
- Joanna Rulf, DOFreeport, ME 040321629202676
- Bethany Lake, MDE Waterboro, ME 040301649234378
- Jessika Morin, MDEast Waterboro, ME 040301619088010
Common questions
What is Brian Keith Knighton, D.O.'s NPI number?
Brian Keith Knighton, D.O.'s National Provider Identifier (NPI) is 1700824000, issued on Jun 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Brian Keith Knighton, D.O. located?
The NPPES record lists a practice address at 42 Mallett Dr, Freeport, ME, 04032. Phone: (207) 865-3491. Providers update this record themselves, so call before visiting.
How can I verify Brian Keith Knighton, D.O.'s license?
NPPES lists Maine license number 1648, as entered by the provider. Search the Maine Board of Licensure in Medicine at https://www.maine.gov/md/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brian Keith Knighton, D.O. prescribe under Medicare Part D?
In 2024, Brian Keith Knighton, D.O. had 4,234 Medicare Part D claims for 313 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Brian Keith Knighton, D.O.'s MIPS final score?
The 2023 MIPS final score is 79.4 of 100, reported for the practice group. 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.