NPPES file of Aug 9, 2026

Melissa Warkentin-Thiessen, PHARM.D.

Pharmacist · Tucson, AZ

Melissa Warkentin-Thiessen, PHARM.D. is a pharmacist with a practice address in Tucson, Arizona, and NPI 1255324794, issued on Aug 30, 2005. Check the license (Arizona 13256, as entered in NPPES) with the Arizona board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255324794
Name
Melissa Warkentin-Thiessen
Credential
PHARM.D.
Primary taxonomy
Pharmacist 183500000X
License number
13256 AZ
Self-reported in NPPES; status is on the state search
Practice location
320 W Prince RD, Tucson, AZ 85705
Phone
(520) 838-7663
Enumerated
Aug 30, 2005
Record last updated
Jul 13, 2026
Fax
(520) 838-7698
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest pharmacist records → All 6,746 in Arizona → Look up another NPI →

Also registered at 320 W Prince RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Yasmeen Abdulrahman, MDPediatrics Physician1487322590
  2. Cecilia Adams, MDPediatrics Physician1861486474
  3. Veronica Bradley, LCSWClinical Social Worker1881097467
  4. Scott Cushing, PA-CPhysician Assistant1477247633
  5. James Fiastro, M.D.Pulmonary Disease Physician1962502153
  6. Connie Funk, M.D.Internal Medicine Physician1083835557

Verify Melissa Warkentin-Thiessen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 13256    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

84% fewer Medicare Part D claims than the average pharmacist in 2024

19 Medicare Part D claims for 17 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Melissa Warkentin-Thiessen19
  2. Specialty average119

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.

Melissa Warkentin-Thiessen among 6,746 pharmacist records in Arizona

Melissa Warkentin-Thiessen, PHARM.D. 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, over 99% 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 updated2026 · 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).

999 pharmacist records list a practice address in Tucson

They are 999 of the 18,788 NPPES records with a practice address in Tucson, and 6,746 pharmacist records in Arizona.

All 6,746 in Arizona → Every provider in Tucson → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Roy Anderson, PHARMACISTTucson, AZ 857051831356534
  2. Nathaniel Bell, PHARM.D.Tucson, AZ 857051922338581
  3. Gregory Grorud, RPHTucson, AZ 857051720318967
  4. Courtney HanauerTucson, AZ 857051396058665
  5. Bruno HernandezTucson, AZ 857051154648053
  6. Tammy Holcomb, PHARM.D.Tucson, AZ 857051639400187
  7. Jalpa Patel-KarTucson, AZ 857051497086482
  8. Lori Pearl, PHARM.DTucson, AZ 857051366772493

Common questions

What is Melissa Warkentin-Thiessen, PHARM.D.'s NPI number?

Melissa Warkentin-Thiessen, PHARM.D.'s National Provider Identifier (NPI) is 1255324794, issued on Aug 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Melissa Warkentin-Thiessen, PHARM.D. located?

The NPPES record lists a practice address at 320 W Prince RD, Tucson, AZ, 85705. Phone: (520) 838-7663. Providers update this record themselves, so call before visiting.

How can I verify Melissa Warkentin-Thiessen, PHARM.D.'s license?

NPPES lists Arizona license number 13256, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Melissa Warkentin-Thiessen, PHARM.D. prescribe under Medicare Part D?

In 2024, Melissa Warkentin-Thiessen, PHARM.D. had 19 Medicare Part D claims for 17 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.