Doctor profile · Federal record

Dr. Mark Gaulke, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Internal Medicine Physician · Pediatrics Physician · Pediatrics Physician · Spokane, WA

  • NPI 1972709129
  • Accepts Medicare
  • 20 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9911 N Nevada St
Spokane, WA 992181298
(509) 626-9420
fax (509) 227-7070
Additional location
1111 E Westview CT Ste B
Spokane, WA 992181376
(509) 626-9430
fax (509) 626-9436
Mailing address
Po Box 421
Liberty Lake, WA 990190421

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
May 18, 2021
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Washington #MD60563130 · Wisconsin #50935

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972709129. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
720
Distinct HCPCS
9
Medicare allowed
$83,722
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 390 224 $126
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 118 118 $128
99213 Established patient office or other outpatient visit, 20-29 minutes 59 50 $90
99215 Established patient office or other outpatient visit, 40-54 minutes 55 45 $175
83036 Hemoglobin a1c level 43 27 $10
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 20 19 $14
69209 Removal of impacted ear wax by washing 13 13 $19
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 11 11 $282
G0009 Administration of pneumococcal vaccine 11 11 $31

In context: peer comparison

Among 80 peers in Spokane Internal Medicine Physician, average services per provider: 106. This provider delivers 6.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,578
Patients
702
Total drug cost
$49,217
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 295 80 $4,708
Lisinopril Generic 273 79 $2,749
Levothyroxine Sodium Generic 236 55 $4,439
Metoprolol Succinate Generic 207 55 $3,731
Amlodipine Besylate Generic 181 53 $1,759
Gabapentin Generic 172 39 $5,855
Tamsulosin Hcl Generic 168 51 $4,309
Omeprazole Generic 155 49 $2,828
Losartan Potassium Generic 150 38 $2,495
Metformin Hcl Generic 147 36 $2,050

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Gaulke's medical specialty?
Dr. Mark Gaulke practices Internal Medicine Physician in Spokane, WA.
Where does Dr. Mark Gaulke practice?
Dr. Mark Gaulke practices at 9911 N Nevada St, Spokane, WA 992181298. Office phone: 5096269420.
What is Dr. Mark Gaulke's NPI?
Dr. Mark Gaulke's National Provider Identifier (NPI) is 1972709129, issued by NPPES.
Does Dr. Mark Gaulke accept Medicare assignment?
Yes. Dr. Mark Gaulke accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Gaulke commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.