Gianna N. O'Hara, DO
Geriatric Medicine (Internal Medicine) Physician · Vancouver, WA
Gianna N. O'Hara, DO is a geriatric medicine (internal medicine) physician with a practice address in Vancouver, Washington, and NPI 1467980961, issued on May 27, 2017. Check the license (Washington OP61041037, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Gianna N. O'Hara
- Credential
- DO
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- OP61041037 WA
R2826 AZ
18033 CA
DO219746 OR
Self-reported in NPPES; status is on the state search - Practice location
- 13898 NE 28TH St, Vancouver, WA 98682
- Phone
- (360) 397-3352
- Enumerated
- May 27, 2017
- Record last updated
- Aug 10, 2025
- Fax
- (360) 397-3206
- Medicare enrollment
- Enrolled (PECOS I20250911001882); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 13898 NE 28TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Angelo, RPHPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1669736542
- Alyssa Horne, DOFamily Medicine Physician1679005623
- Lawrence House, M.D.Pain Medicine (Anesthesiology) Physician1326427147
- Randolph Kline, MDFamily Medicine Physician1306258207
- Aspen Stuart, MDObstetrics & Gynecology Physician1518582618
- Victoria Tamis, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1396324695
Verify Gianna N. O'Hara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61041037Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
4,406 Medicare Part D claims for 406 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 173 claims were for opioids.
Most prescribed
- Atorvastatin Calcium210 claims
- Rosuvastatin Calcium192 claims
- Amlodipine Besylate183 claims
- Losartan Potassium166 claims
- Levothyroxine Sodium162 claims
- Escitalopram Oxalate124 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: $146.80
1 payment: food and beverage; the largest payer was Edwards Lifesciences Corporation. The 1,004 providers of this specialty with any payment received $1,720.82 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
- The Vancouver Clinic Inc PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Washington
There are 97 geriatric medicine (internal medicine) physician records in Washington.
Other geriatric medicine (internal medicine) physician records in Washington
- Itamar Abrass, MDSeattle, WA1932266129
- John Addison, MDMercer Island, WA1659323087
- Amber An, DOOlympia, WA1538335443
- Yasmin Ansari, MDVancouver, WA1427005487
- Richard ArnoldSeattle, WA1912097866
- Vernan AtienzaKirkland, WA1851402440
- Kyawt Ayee, MDRichland, WA1558316372
- Jennifer Balde, M.D.Pasco, WA1407170715
- Ranjy Basa, MDTacoma, WA1790869303
- Paul Beck, M.D.Seattle, WA1376619171
Common questions
What is Gianna N. O'Hara, DO's NPI number?
Gianna N. O'Hara, DO's National Provider Identifier (NPI) is 1467980961, issued on May 27, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Gianna N. O'Hara, DO located?
The NPPES record lists a practice address at 13898 NE 28TH St, Vancouver, WA, 98682. Phone: (360) 397-3352. Providers update this record themselves, so call before visiting.
How can I verify Gianna N. O'Hara, DO's license?
NPPES lists Washington license number OP61041037, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gianna N. O'Hara, DO prescribe under Medicare Part D?
In 2024, Gianna N. O'Hara, DO had 4,406 Medicare Part D claims for 406 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.