Jeffrey Schack, M.D.
NPI 1366559635 · Psychiatry Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jeffrey Schack, M.D. is a Psychiatry Physician provider in Spokane, WA (NPI 1366559635).
Provider details
- NPI number
- 1366559635
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00029795 (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
19 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
454 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 229 | $124 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 225 | $86 |
Typical Medicare-allowed amounts for these services range $86–$124 (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 · 21 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Clonazepam | 44 |
| Alprazolam | 43 |
| Quetiapine Fumarate | 40 |
| Lorazepam | 38 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 37 |
| Trazodone Hcl | 36 |
| Clonidine Hcl | 31 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2013-04-18
Frequently asked questions
- What is Jeffrey Schack's NPI number?
- Jeffrey Schack's National Provider Identifier (NPI) is 1366559635, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Schack's specialty?
- Jeffrey Schack is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Schack located?
- Jeffrey Schack's practice location on file with NPPES is 801 W 5th Ave Ste 422, Spokane, WA 99204-2841.
- What is Jeffrey Schack's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Schack is (509) 838-2531.
- Does Jeffrey Schack accept Medicare?
- Jeffrey Schack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jeffrey Schack's NPI active?
- Yes — Jeffrey Schack's NPI (1366559635) is active in the NPPES registry as of the last update on 2013-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.