Michael Lisiak, MD
NPI 1104878842 · Psychiatry Physician · Atascadero, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Lisiak, MD is a Psychiatry Physician provider in Atascadero, CA (NPI 1104878842).
Provider details
- NPI number
- 1104878842
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- A050175 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 44 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 256 | 22 |
| Lorazepam | 227 | 28 |
| Sertraline Hcl | 193 | 20 |
| Risperidone | 154 | 17 |
| Escitalopram Oxalate | 147 | 13 |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 142 | 16 |
| Quetiapine Fumarate | 123 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2025-09-11
Frequently asked questions
- What is Michael Lisiak's NPI number?
- Michael Lisiak's National Provider Identifier (NPI) is 1104878842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Lisiak's specialty?
- Michael Lisiak is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Lisiak located?
- Michael Lisiak's practice location on file with NPPES is 10333 El Camino Real, Atascadero, CA 93423-7001.
- What is Michael Lisiak's phone number?
- The practice phone number listed in the NPPES registry for Michael Lisiak is (805) 468-2000.
- Does Michael Lisiak accept Medicare?
- Michael Lisiak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Lisiak's NPI active?
- Yes — Michael Lisiak's NPI (1104878842) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.