John R. Alessi, DO
Family Medicine Physician · Prescott Valley, AZ
John R. Alessi, DO is a family medicine physician with a practice address in Prescott Valley, Arizona, and NPI 1629099387, issued on Jul 21, 2006. Check the license (Arizona 007784, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- John R. Alessi
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 007784 AZ
02001677A IN
Self-reported in NPPES; status is on the state search - Practice location
- 6648 N Viewpoint Dr Ste 5, Prescott Valley, AZ 86315
- Phone
- (928) 636-5680
- Enumerated
- Jul 21, 2006
- Record last updated
- Jan 31, 2025
- Fax
- (928) 636-5853
- Medicaid IDs
- 448808 AZ
200062550A IN - Medicare enrollment
- Enrolled (PECOS I20200220001096); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 6648 N Viewpoint Dr Ste 5
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kayleena Chentfant, FNPFamily Nurse Practitioner1093238651
- Patricia Coates, APRNFamily Nurse Practitioner1467130187
- Carmen Dalton, FNP-CPrimary Care Nurse Practitioner1609592872
Verify John R. Alessi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 007784Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average family medicine physician in 2024
11,938 Medicare Part D claims for 953 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 357 claims were for opioids.
Most prescribed
- Atorvastatin Calcium612 claims
- Levothyroxine Sodium539 claims
- Lisinopril492 claims
- Rosuvastatin Calcium482 claims
- Amlodipine Besylate466 claims
- Losartan Potassium383 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.
Bills Medicare through one group practice
- Yavapai Regional Medical Center Physician Care LLCChino Valley, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
11 family medicine physician records list a practice address in Prescott Valley
They are 11 of the 642 NPPES records with a practice address in Prescott Valley, and 3,119 family medicine physician records in Arizona.
All 11 in Prescott Valley → All 3,119 in Arizona → Every provider in Prescott Valley →
Other family medicine physician records in Arizona
- Muhammad Aamer, M.D.Yuma, AZ1437574720
- Ndidi Abara, M.D.Yuma, AZ1295115145
- Steven Abdelmalak, MDScottsdale, AZ1205092806
- Daniel Abelev, MDPhoenix, AZ1417573163
- Lindsey Abeyta, FNPTucson, AZ1043027857
- Modupeola Abiodun, M.D.Chandler, AZ1225326853
- Sara Abolmolouk, MDTucson, AZ1497043715
- Ahmed Abouzeid, MDGlendale, AZ1871619601
- Edward Abraham, M.D.Phoenix, AZ1144593211
- Rebecca Abraham, M.D.Surprise, AZ1437273323
Common questions
What is John R. Alessi, DO's NPI number?
John R. Alessi, DO's National Provider Identifier (NPI) is 1629099387, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John R. Alessi, DO located?
The NPPES record lists a practice address at 6648 N Viewpoint Dr Ste 5, Prescott Valley, AZ, 86315. Phone: (928) 636-5680. Providers update this record themselves, so call before visiting.
How can I verify John R. Alessi, DO's license?
NPPES lists Arizona license number 007784, 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 R. Alessi, DO prescribe under Medicare Part D?
In 2024, John R. Alessi, DO had 11,938 Medicare Part D claims for 953 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.