Doctor profile · Federal record

Dr. Douglas Hammerstrom, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Spokane, WA

  • NPI 1316998354
  • Accepts Medicare
  • 41 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
2020 E 29Th Ave, Lower Level
Spokane, WA 992033917
(509) 626-9400
Additional location
1212 N Pines RD
Spokane Valley, WA 992064939
(509) 893-8140
fax (509) 893-8141
Mailing address
Po Box 421
Liberty Lake, WA 990190421

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
May 25, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Washington #MD00027639 · Colorado #37360
Medicaid
CO #01373604

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316998354. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
409
Distinct HCPCS
9
Medicare allowed
$42,801
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 122 86 $127
99213 Established patient office or other outpatient visit, 20-29 minutes 98 84 $88
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 70 70 $128
99212 Established patient office or other outpatient visit, 10-19 minutes 29 29 $57
99204 New patient office or other outpatient visit, 45-59 minutes 26 26 $166
83036 Hemoglobin a1c level 25 20 $10
99215 Established patient office or other outpatient visit, 40-54 minutes 15 15 $168
17000 Destruction of precancer skin growth, 1 growth 12 12 $68
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 12 12 $14

In context: peer comparison

Among 59 peers in this city , average services per provider: 63. This provider delivers 6.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
969
Patients
440
Total drug cost
$14,837
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 150 72 $2,055
Levothyroxine Sodium Generic 100 45 $1,654
Losartan Potassium Generic 95 46 $1,269
Amlodipine Besylate Generic 71 33 $430
Metoprolol Succinate Generic 66 28 $1,163
Lisinopril Generic 60 27 $672
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 59 15 $928
Sertraline Hcl Generic 56 21 $516
Omeprazole Generic 55 32 $881
Rosuvastatin Calcium Generic 55 26 $1,222

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Hammerstrom's medical specialty?
Dr. Douglas Hammerstrom practices Family Medicine Physician in Spokane, WA.
Where does Dr. Douglas Hammerstrom practice?
Dr. Douglas Hammerstrom practices at 2020 E 29Th Ave, Spokane, WA 992033917. Office phone: 5096269400.
What is Dr. Douglas Hammerstrom's NPI?
Dr. Douglas Hammerstrom's National Provider Identifier (NPI) is 1316998354, issued by NPPES.
Does Dr. Douglas Hammerstrom accept Medicare assignment?
Yes. Dr. Douglas Hammerstrom accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Hammerstrom commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.