Doctor profile · Federal record

Dr. Jon Gardner, MD

Internal Medicine Physician (CMS: Internal Medicine) · Walla Walla, WA

  • NPI 1447264841
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
380 Chase St, Internal Medicine
Walla Walla, WA 99362
(509) 525-8110
fax (509) 522-5743
Mailing address
Po Box 34439
Seattle, WA 981241439

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
May 20, 2021
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Washington #MD00033931
Medicaid
WA #1447264841

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447264841. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
11,269
Distinct HCPCS
10
Medicare allowed
$373,030
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 4,620 2,558 $8
J0897 Injection, denosumab, 1 mg 3,540 37 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 891 449 $127
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 480 452 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 382 382 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 219 172 $90
G0008 Administration of influenza virus vaccine 187 182 $30
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 182 177 $75
96372 Injection of drug or substance under skin or into muscle 113 46 $14
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 80 33 $23

In context: peer comparison

Among 10 peers in Walla Walla Internal Medicine Physician, average services per provider: 199. This provider delivers 57× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,622
Patients
974
Total drug cost
$209,186
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 635 174 $8,911
Losartan Potassium Generic 341 98 $4,474
Omeprazole Generic 326 84 $5,212
Levothyroxine Sodium Generic 304 76 $4,067
Lisinopril Generic 263 74 $3,125
Metformin Hcl Generic 213 55 $2,274
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 201 51 $5,202
Hydrochlorothiazide Generic 187 53 $1,080
Amlodipine Besylate Generic 176 47 $1,514
Eliquis (Apixaban) Brand 173 34 $159,171

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jon Gardner's medical specialty?
Dr. Jon Gardner practices Internal Medicine Physician in Walla Walla, WA.
Where does Dr. Jon Gardner practice?
Dr. Jon Gardner practices at 380 Chase St, Walla Walla, WA 99362. Office phone: 5095258110.
What is Dr. Jon Gardner's NPI?
Dr. Jon Gardner's National Provider Identifier (NPI) is 1447264841, issued by NPPES.
Does Dr. Jon Gardner accept Medicare assignment?
Yes. Dr. Jon Gardner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jon Gardner commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.