John Nathan Oechsner, PHARMD
Pharmacist · Tempe, AZ
John Nathan Oechsner, PHARMD is a pharmacist with a practice address in Tempe, Arizona, and NPI 1114423662, issued on Apr 3, 2018. Check the license (Arizona S022369, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Nathan Oechsner
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- S022369 AZ
72282 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1380 W Elliot RD, Tempe, AZ 85284
- Phone
- (480) 345-8686
- Enumerated
- Apr 3, 2018
- Record last updated
- Apr 3, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 6,746 in Arizona → Look up another NPI →
Also registered at 1380 W Elliot RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mayur Patel, PHARM. D.Pharmacist1508234303
- Pamela Schmidt, PHARM.D.Pharmacist1831511237
- Quang VuOptometrist1861566291
Verify John Nathan Oechsner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license S022369Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average pharmacist in 2024
12 Medicare Part D claims for 12 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Naloxone Hcl12 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.
John Nathan Oechsner among 6,746 pharmacist records in Arizona
John Nathan Oechsner, PHARMD is one of 6,746 pharmacist records with a practice address in Arizona. 27% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 68% of them.
- NPI issued2018 · 68% of these records are older, 28% newer
- In a Medicare fileYes · 27% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2018 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
227 pharmacist records list a practice address in Tempe
They are 227 of the 4,310 NPPES records with a practice address in Tempe, and 6,746 pharmacist records in Arizona.
All 6,746 in Arizona → Every provider in Tempe → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- James Bueno, PHARMDTempe, AZ 852841568799575
- Maria Chase, R.PH.Tempe, AZ 852841598821092
- Robert Dasilva, PHARMDTempe, AZ 852841558661629
- Breda Dervisevic, PHARM. D.Tempe, AZ 852841013247790
- Tina Do-Trinh, RPHTempe, AZ 852841093018160
- Robert FooteTempe, AZ 852841487954095
- Rochelle Gallagher, RPHTempe, AZ 852841427073709
- Tamara Greek, PHARMD, RPHTempe, AZ 852841639464209
Common questions
What is John Nathan Oechsner, PHARMD's NPI number?
John Nathan Oechsner, PHARMD's National Provider Identifier (NPI) is 1114423662, issued on Apr 3, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Nathan Oechsner, PHARMD located?
The NPPES record lists a practice address at 1380 W Elliot RD, Tempe, AZ, 85284. Phone: (480) 345-8686. Providers update this record themselves, so call before visiting.
How can I verify John Nathan Oechsner, PHARMD's license?
NPPES lists Arizona license number S022369, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
How much does John Nathan Oechsner, PHARMD prescribe under Medicare Part D?
In 2024, John Nathan Oechsner, PHARMD had 12 Medicare Part D claims for 12 beneficiaries; the average among pharmacist prescribers was 119. 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.