Diane Williams Rankin, RPH
Geriatric Pharmacist · Billings, MT
Diane Williams Rankin, RPH is a geriatric pharmacist with a practice address in Billings, Montana, and NPI 1548482334, issued on May 3, 2007. Check the license (Montana 2864, as entered in NPPES) with the Montana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Diane Williams Rankin
- Credential
- RPH
- Primary taxonomy
- Geriatric Pharmacist 1835G0303X
- License number
- 2864 MT
Self-reported in NPPES; status is on the state search - Practice location
- 3940 Rimrock RD, Billings, MT 59102
- Phone
- (406) 655-5827
- Enumerated
- May 3, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (406) 655-5610
- Entity
- Type 1 · individual
Also registered at 3940 Rimrock RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane Williams Rankin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 2864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Geriatric Pharmacist providers in Montana
There are 9 geriatric pharmacist records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other geriatric pharmacist records in Montana
- Dixie Demko, RPHGreat Falls, MT1295870061
- Richard Graham, PHARMDRoy, MT1205066982
- Kelly Hasquet, PHARMDButte, MT1700562501
- Lisa Lindquist, RPHGreat Falls, MT1891907804
- Ashley Lovec, PHARMD BCGPBillings, MT1699554931
- George Schissler, PHARM. D.Billings, MT1487876249
- Katherine Stevenson, R.PH.Billings, MT1336361153
- Kyla Vestal, RPHBillings, MT1619180502
Common questions
What is Diane Williams Rankin, RPH's NPI number?
Diane Williams Rankin, RPH's National Provider Identifier (NPI) is 1548482334, issued on May 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diane Williams Rankin, RPH located?
The NPPES record lists a practice address at 3940 Rimrock RD, Billings, MT, 59102. Phone: (406) 655-5827. Providers update this record themselves, so call before visiting.
How can I verify Diane Williams Rankin, RPH's license?
NPPES lists Montana license number 2864, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity 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. 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.