Christopher J. Knox, D.O.
Otolaryngology Physician · Newburyport, MA
Christopher J. Knox, D.O. is an otolaryngology physician with a practice address in Newburyport, Massachusetts, and NPI 1760547418, issued on Dec 23, 2006. Check the license (Massachusetts 1024455, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Christopher J. Knox
- Credential
- D.O.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License numbers
- 1024455 MA
81920 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1 Wallace Bashaw Way Ste 3002, Newburyport, MA 01950
- Phone
- (978) 997-1550
- Enumerated
- Dec 23, 2006
- Record last updated
- Apr 21, 2026
- Fax
- (978) 688-8200
- Medicaid ID
- 3076938 NH
- Medicare enrollment
- Enrolled (PECOS I20251003000108); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1997
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 364 in Massachusetts → Look up another NPI →
Also registered at 1 Wallace Bashaw Way Ste 3002
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alec BiesePhysician Assistant1215522529
- Ashley McCarter, AU.D.Audiologist1134644354
Verify Christopher J. Knox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 1024455Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average otolaryngology physician in 2024
637 Medicare Part D claims for 199 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Ipratropium Bromide180 claims
- Fluticasone Propionate132 claims
- Famotidine50 claims
- Azelastine Hcl35 claims
- Omeprazole25 claims
- Prednisone24 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): 29.1 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: $29.41
1 payment: food and beverage; the largest payer was Genzyme Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 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
- Colden Ear Nose Throat And Allergy LLCNewburyport, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher J. Knox among 364 otolaryngology physician records in Massachusetts
Christopher J. Knox, D.O. is one of 364 otolaryngology physician records with a practice address in Massachusetts. 77% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 54% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2004 among the 239 with a school on file
- Record last updated2026 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in Massachusetts
There are 364 otolaryngology physician records in Massachusetts.
All 364 in Massachusetts → Every provider in Newburyport → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Daryl Colden, M.D.Newburyport, MA 019501073574042
- Terry Garfinkle, MDSalem, MA 019701346213105
- Charles Leidner, MDSalem, MA 019701003889866
- James Demetroulakos, MDDanvers, MA 019231326011180
- Allen Feng, MDDanvers, MA 019231114266426
- Jordan Glicksman, MDDanvers, MA 019231124479282
- Richard MuggeDanvers, MA 019231174513386
- William Nicholas, M.D.Danvers, MA 019231699802579
Common questions
What is Christopher J. Knox, D.O.'s NPI number?
Christopher J. Knox, D.O.'s National Provider Identifier (NPI) is 1760547418, issued on Dec 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Christopher J. Knox, D.O. located?
The NPPES record lists a practice address at 1 Wallace Bashaw Way Ste 3002, Newburyport, MA, 01950. Phone: (978) 997-1550. Providers update this record themselves, so call before visiting.
How can I verify Christopher J. Knox, D.O.'s license?
NPPES lists Massachusetts license number 1024455, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Christopher J. Knox, D.O. prescribe under Medicare Part D?
In 2024, Christopher J. Knox, D.O. had 637 Medicare Part D claims for 199 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
What is Christopher J. Knox, D.O.'s MIPS final score?
The 2023 MIPS final score is 29.1 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.