Registry data as of Aug 27, 2026

Gary Schillhammer, MD

Family Medicine Physician · Darrington, WA

Gary Schillhammer, MD is a family medicine physician with a practice address in Darrington, Washington, and NPI 1396735437, issued on Oct 27, 2005. Check the license (Washington MD00021477, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1396735437
Name
Gary Schillhammer
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD00021477 WA
Self-reported in NPPES; status is on the state search
Practice location
1190 Riddle St, Darrington, WA 98241
Phone
(360) 436-1055
Enumerated
Oct 27, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1190 Riddle St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Devon Kienzle, DOFamily Medicine Physician1003313222
  2. Nadya Smith, PA-CPhysician Assistant1982644134

Verify Gary Schillhammer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00021477
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

70% more Medicare Part D claims than the average family medicine physician in 2024

5,994 Medicare Part D claims for 312 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 397 claims were for opioids.

  1. Gary Schillhammer5,994
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium305 claims
  2. Lisinopril226 claims
  3. Metoprolol Succinate206 claims
  4. Furosemide202 claims
  5. Metformin Hcl157 claims
  6. Albuterol Sulfate Hfa147 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.

One hospital or facility affiliation

  1. Public Hospital Dist NO 1 SkagitDarrington, WA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

2 family medicine physician records list a Darrington practice address

They are 2 of the 23 NPPES records with a Darrington practice address, and 5,264 family medicine physician records in Washington.

Other family medicine physician records in Washington

  1. Shawn Aaron, MDLongview, WA1578560710
  2. John Abano, M.D.Shoreline, WA1891929857
  3. Sarah Abbot, DOKirkland, WA1033555180
  4. Arthur Abbott, M.D.Seattle, WA1255488847
  5. Dale Abbott, MDBurlington, WA1760453534
  6. Michael Abbott, MDEast Wenatchee, WA1336179928
  7. Richard Abbott, M.D.Mount Vernon, WA1689835803
  8. Charlee Abboud, DOTacoma, WA1174152169
  9. Suad AbdelazizSeattle, WA1306423421
  10. Joonis Abdulkhader, M.D.Seattle, WA1518154335

Common questions

What is Gary Schillhammer, MD's NPI number?

Gary Schillhammer, MD's National Provider Identifier (NPI) is 1396735437, issued on Oct 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Gary Schillhammer, MD located?

The NPPES record lists a practice address at 1190 Riddle St, Darrington, WA, 98241. Phone: (360) 436-1055. Providers update this record themselves, so call before visiting.

How can I verify Gary Schillhammer, MD's license?

NPPES lists Washington license number MD00021477, 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 Gary Schillhammer, MD prescribe under Medicare Part D?

In 2024, Gary Schillhammer, MD had 5,994 Medicare Part D claims for 312 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.