John Frazer Mackenzie, DO
Neurology Physician · Prescott, AZ
John Frazer Mackenzie, DO is a neurology physician with a practice address in Prescott, Arizona, and NPI 1518078807, issued on Aug 31, 2006. Check the license (Arizona 3195, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Frazer Mackenzie
- Credential
- DO
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 3195 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Willow Creek RD Ste 3300, Prescott, AZ 86301
- Phone
- (928) 778-0827
- Enumerated
- Aug 31, 2006
- Record last updated
- Feb 17, 2025
- Fax
- (928) 778-5622
- Medicaid ID
- 377920 AZ
- Medicare enrollment
- Enrolled (PECOS I20051025000360); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 1993
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 458 in Arizona → Look up another NPI →
Also registered at 1001 Willow Creek RD Ste 3300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Esther Byram, PA-CPhysician Assistant1932694239
- Jorge Gonzalez-Cruz, MDNeurological Surgery Physician1386850006
- Paul Malczak, DONeurology Physician1003274655
- Douglas Masson, M.D.Urology Physician1114901238
- Robert McCabe, DONeurological Surgery Physician1720508203
- Paul Nguyen, MDUrology Physician1699859769
Verify John Frazer Mackenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 3195Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average neurology physician in 2024
3,966 Medicare Part D claims for 423 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 219 claims were for opioids.
Most prescribed
- Gabapentin329 claims
- Carbidopa-Levodopa157 claims
- Levetiracetam150 claims
- Donepezil Hcl148 claims
- Clonazepam121 claims
- Memantine Hcl120 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: $468.12
34 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Yavapai Regional Medical Center Physician Care LLCPrescott, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Frazer Mackenzie among 458 neurology physician records in Arizona
John Frazer Mackenzie, DO is one of 458 neurology physician records with a practice address in Arizona. 80% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 60% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1993 · median 2005 among the 298 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 2084N0400X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurology Physician providers in Arizona
There are 458 neurology physician records in Arizona.
All 458 in Arizona → Every provider in Prescott → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Paul Malczak, DOPrescott, AZ 863011003274655
- Douglas Shepard, MDPrescott, AZ 863011699741108
- Clyde Varner, MDPrescott, AZ 863011316931256
- Puneet Dabas, M.D.Prescott, AZ 863051326488768
- Joshua Gibbons, DOCottonwood, AZ 863261790058915
- Elwood Hopkins, III, MD, PHDCottonwood, AZ 863261083686265
- Ian Livingstone, M.D.Cottonwood, AZ 863261275626939
- Weihong Pan, M.D., PH.D.Cottonwood, AZ 863261760677900
Common questions
What is John Frazer Mackenzie, DO's NPI number?
John Frazer Mackenzie, DO's National Provider Identifier (NPI) is 1518078807, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Frazer Mackenzie, DO located?
The NPPES record lists a practice address at 1001 Willow Creek RD Ste 3300, Prescott, AZ, 86301. Phone: (928) 778-0827. Providers update this record themselves, so call before visiting.
How can I verify John Frazer Mackenzie, DO's license?
NPPES lists Arizona license number 3195, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Frazer Mackenzie, DO prescribe under Medicare Part D?
In 2024, John Frazer Mackenzie, DO had 3,966 Medicare Part D claims for 423 beneficiaries; the average among neurology physician prescribers was 1,370. 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.