John Westley Mailey, NP
Primary Care Nurse Practitioner · Novi, MI
John Westley Mailey, NP is a primary care nurse practitioner with a practice address in Novi, Michigan, and NPI 1356953756, issued on Aug 18, 2020. Check the license (Michigan 4704199755, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Westley Mailey
- Credential
- NP
- Primary taxonomy
- Primary Care Nurse Practitioner 363LP2300X
- License number
- 4704199755 MI
Self-reported in NPPES; status is on the state search - Practice location
- 27645 Albert St, Novi, MI 48374
- Phone
- (313) 310-6761
- Enumerated
- Aug 18, 2020
- Record last updated
- Sep 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20210616001782); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest primary care nurse practitioner records → All 426 in Michigan → Look up another NPI →
Verify John Westley Mailey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 4704199755Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average primary care nurse practitioner in 2024
3,872 Medicare Part D claims for 72 beneficiaries, against an average of 1,492 among the 5,992 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 528 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen271 claims
- Oxycodone-Acetaminophen222 claims
- Amlodipine Besylate215 claims
- Atorvastatin Calcium161 claims
- Cyclobenzaprine Hcl143 claims
- Albuterol Sulfate Hfa119 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: $82.22
1 payment: food and beverage; the largest payer was Boston Scientific Corporation. The 4,321 providers of this specialty with any payment received $625.13 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
- Michigan Family Medicine And Urgent CareDewitt, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Westley Mailey among 426 primary care nurse practitioner records in Michigan
John Westley Mailey, NP is one of 426 primary care nurse practitioner records with a practice address in Michigan. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 60% of them.
- NPI issued2020 · 60% of these records are older, 30% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2017 · median 2018 among the 235 with a school on file
- Record last updated2024 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP2300X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Primary Care Nurse Practitioner providers in Michigan
There are 426 primary care nurse practitioner records in Michigan.
All 426 in Michigan → Every provider in Novi → Primary Care Nurse Practitioner nationwide →
The 8 primary care nurse practitioner records with the nearest ZIP codes
- Jessica WentworthNovi, MI 483741336591973
- Kelechi AkubukweNovi, MI 483751437763406
- Dana BushmanNovi, MI 483751215461173
- Ryan Holley - Mallo, DNP, FNP-CNovi, MI 483751992094403
- Denver Moses, NPNovi, MI 483751003607961
- Whitney PrestonNovi, MI 483751790649002
- Veronica Shivachi, NP-CNovi, MI 483751699084343
- Caroline Bauer, MSN, AGPCNPNovi, MI 483771205612686
Common questions
What is John Westley Mailey, NP's NPI number?
John Westley Mailey, NP's National Provider Identifier (NPI) is 1356953756, issued on Aug 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is John Westley Mailey, NP located?
The NPPES record lists a practice address at 27645 Albert St, Novi, MI, 48374. Phone: (313) 310-6761. Providers update this record themselves, so call before visiting.
How can I verify John Westley Mailey, NP's license?
NPPES lists Michigan license number 4704199755, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
How much does John Westley Mailey, NP prescribe under Medicare Part D?
In 2024, John Westley Mailey, NP had 3,872 Medicare Part D claims for 72 beneficiaries; the average among primary care nurse practitioner prescribers was 1,492. 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.