Gary Schillhammer, MD
NPI 1396735437 · Family Medicine Physician · Darrington, WA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Schillhammer, MD is a Family Medicine Physician provider in Darrington, WA (NPI 1396735437).
Provider details
- NPI number
- 1396735437
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD00021477 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
56 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 44 | $9 |
| X-Ray of Chest, 2 Views71046 | 12 | $32 |
Typical Medicare-allowed amounts for these services range $9–$32 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 114 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 305 | 80 |
| Lisinopril | 226 | 55 |
| Metoprolol Succinate | 206 | 56 |
| Furosemide | 202 | 56 |
| Metformin Hcl | 157 | 34 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 147 | 32 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-27
- Last updated
- 2011-12-27
Frequently asked questions
- What is Gary Schillhammer's NPI number?
- Gary Schillhammer's National Provider Identifier (NPI) is 1396735437, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Schillhammer's specialty?
- Gary Schillhammer is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Schillhammer located?
- Gary Schillhammer's practice location on file with NPPES is 1190 Riddle St, Darrington, WA 98241.
- What is Gary Schillhammer's phone number?
- The practice phone number listed in the NPPES registry for Gary Schillhammer is (360) 436-1055.
- Does Gary Schillhammer accept Medicare?
- Gary Schillhammer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Schillhammer's NPI active?
- Yes — Gary Schillhammer's NPI (1396735437) is active in the NPPES registry as of the last update on 2011-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.