Heidi Drennen
Pharmacist · Walla Walla, WA
Heidi Drennen is a pharmacist with a practice address in Walla Walla, Washington, and NPI 1215218177, issued on Sep 6, 2011. Check the license (Washington 60240261, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heidi Drennen
- Primary taxonomy
- Pharmacist 183500000X
- License numbers
- 60240261 WA
RPH-0012797 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2028 E Isaacs Ave, Walla Walla, WA 99362
- Phone
- (509) 529-1917
- Enumerated
- Sep 6, 2011
- Entity
- Type 1 · individual
Also registered at 2028 E Isaacs Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Oliver Okoye, PHARM.DPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1134785686
- Barry PatzerPharmacist1003107087
- Wai Wai Tun, PHARM.D.Pharmacist1093152753
Verify Heidi Drennen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license 60240261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
72% fewer Medicare Part D claims than the average pharmacist in 2024
35 Medicare Part D claims for 32 beneficiaries, against an average of 127 among the 28,933 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
- Arexvy20 claims
- Shingrix11 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.
74 pharmacist records list a Walla Walla practice address
They are 74 of the 1,276 NPPES records with a Walla Walla practice address, and 7,880 pharmacist records in Washington.
All 74 in Walla Walla → All 7,880 in Washington → Every provider in Walla Walla →
Other pharmacist records in Washington
- Steven AahlBothell, WA1477691137
- Jon Aal, RPHOlympia, WA1457753212
- Kenric Aalund-NelsonBellingham, WA1033944996
- Kevin Aardal, RXTRichland, WA1932810298
- Rania Abaza, PHARMDVancouver, WA1699660258
- Roomi Abbas, RPHKenmore, WA1457293292
- Marvin Abbott, PHARMACISTOlympia, WA1053550384
- Doaa Abdelazeez, RPHLynden, WA1184153074
- John AbdelmalekAberdeen, WA1881985133
- Shorooq AbdelqaderSeattle, WA1528638889
Common questions
What is Heidi Drennen's NPI number?
Heidi Drennen's National Provider Identifier (NPI) is 1215218177, issued on Sep 6, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Heidi Drennen located?
The NPPES record lists a practice address at 2028 E Isaacs Ave, Walla Walla, WA, 99362. Phone: (509) 529-1917. Providers update this record themselves, so call before visiting.
How can I verify Heidi Drennen's license?
NPPES lists Washington license number 60240261, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Heidi Drennen prescribe under Medicare Part D?
In 2024, Heidi Drennen had 35 Medicare Part D claims for 32 beneficiaries; the average among pharmacist prescribers was 127. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.