Jon B. Gardner, MD
Internal Medicine Physician · Walla Walla, WA
Jon B. Gardner, MD is an internal medicine physician with a practice address in Walla Walla, Washington, and NPI 1447264841, issued on Jul 28, 2006. Check the license (Washington MD00033931, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jon B. Gardner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD00033931 WA
Self-reported in NPPES; status is on the state search - Practice location
- 380 Chase St, Walla Walla, WA 99362
- Phone
- (509) 525-8110
- Enumerated
- Jul 28, 2006
- Record last updated
- May 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (509) 522-5743
- Medicaid ID
- 1447264841 WA
- Medicare enrollment
- Enrolled (PECOS I20090107000406); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 380 Chase St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lori Brown, MDInternal Medicine Physician1083628499
- Douglas Dunham, MDFamily Medicine Physician1740204411
- Paul McLain, MDFamily Medicine Physician1497861884
- Paul Parker, MDInternal Medicine Physician1538240304
- Derek Sucharda, PACPhysician Assistant1639282981
- George Waring, MDFamily Medicine Physician1700809167
Verify Jon B. Gardner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00033931Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
9,040 Medicare Part D claims for 593 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 300 claims were for opioids.
Most prescribed
- Atorvastatin Calcium660 claims
- Losartan Potassium369 claims
- Omeprazole356 claims
- Levothyroxine Sodium350 claims
- Lisinopril266 claims
- Hydrochlorothiazide202 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.
Bills Medicare through one group practice
- Providence Health And Services - WashingtonWalla Walla, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon B. Gardner among 3,079 internal medicine physician records in Washington
Jon B. Gardner, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1990 · median 2006 among the 1,852 with a school on file
- Record last updated2021 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
37 internal medicine physician records list a practice address in Walla Walla
They are 37 of the 1,276 NPPES records with a practice address in Walla Walla, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Walla Walla → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Kevin Andrews, MDWalla Walla, WA 993621174513873
- Eric Ball, M.D.Walla Walla, WA 993621275507485
- Karen Geheb, M.D.Walla Walla, WA 993621972532745
- Dan Grinstead, M.D.Walla Walla, WA 993621881668010
- Philip Hooper, MDWalla Walla, WA 993621154307742
- Eric Jauhiainen, M.D.Walla Walla, WA 993621235103466
- Stevie Mazyck, MDWalla Walla, WA 993621902835697
- Patricia McIlvaine, M.D.Walla Walla, WA 993621689648594
Common questions
What is Jon B. Gardner, MD's NPI number?
Jon B. Gardner, MD's National Provider Identifier (NPI) is 1447264841, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jon B. Gardner, MD located?
The NPPES record lists a practice address at 380 Chase St, Walla Walla, WA, 99362. Phone: (509) 525-8110. Providers update this record themselves, so call before visiting.
How can I verify Jon B. Gardner, MD's license?
NPPES lists Washington license number MD00033931, 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 Jon B. Gardner, MD prescribe under Medicare Part D?
In 2024, Jon B. Gardner, MD had 9,040 Medicare Part D claims for 593 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.