Douglas Hammerstrom, MD
Family Medicine Physician · Spokane, WA
Douglas Hammerstrom, MD is a family medicine physician with a practice address in Spokane, Washington, and NPI 1316998354, issued on May 15, 2006. Check the license (Washington MD00027639, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Douglas Hammerstrom
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MD00027639 WA
37360 CO
Self-reported in NPPES; status is on the state search - Practice location
- 2020 E 29TH Ave, Spokane, WA 99203
- Phone
- (509) 626-9400
- Enumerated
- May 15, 2006
- Record last updated
- May 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 01373604 CO
- Medicare enrollment
- Enrolled (PECOS I20151005000295); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 2020 E 29TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Machaela Copenhaver, RDNRegistered Dietitian1750037826
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- Mary Miller, PH.D.Psychologist1225115488
- Jaclyn Powell, MS RDRegistered Dietitian1699223941
Verify Douglas Hammerstrom in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00027639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average family medicine physician in 2024
4,094 Medicare Part D claims for 360 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 183 claims were for opioids.
Most prescribed
- Atorvastatin Calcium302 claims
- Losartan Potassium171 claims
- Amlodipine Besylate166 claims
- Omeprazole140 claims
- Levothyroxine Sodium131 claims
- Metoprolol Succinate115 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 WashingtonColville, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Douglas Hammerstrom among 5,534 family medicine physician records in Washington
Douglas Hammerstrom, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% 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, 58% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1985 · median 2009 among the 3,294 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
283 family medicine physician records list a practice address in Spokane
They are 283 of the 14,049 NPPES records with a practice address in Spokane, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Spokane → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Richard Bale, MDSpokane, WA 992031821100223
- Heather Brennan, M.D.Spokane, WA 992031043292808
- Erin Church, MDSpokane, WA 992031891797353
- Laura Dreyer, D.O.Spokane, WA 992031215058904
- Tamara Grim, MDSpokane, WA 992031891787743
- Clinton Hauxwell, MDSpokane, WA 992031205828159
- Benjamin Hubbard, D.O.Spokane, WA 992031154588978
- Gary Knox, MDSpokane, WA 992031134111008
Common questions
What is Douglas Hammerstrom, MD's NPI number?
Douglas Hammerstrom, MD's National Provider Identifier (NPI) is 1316998354, issued on May 15, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Douglas Hammerstrom, MD located?
The NPPES record lists a practice address at 2020 E 29TH Ave, Spokane, WA, 99203. Phone: (509) 626-9400. Providers update this record themselves, so call before visiting.
How can I verify Douglas Hammerstrom, MD's license?
NPPES lists Washington license number MD00027639, 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 Douglas Hammerstrom, MD prescribe under Medicare Part D?
In 2024, Douglas Hammerstrom, MD had 4,094 Medicare Part D claims for 360 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.