Mark Strazisar, DO
NPI 1164660114 · Psychiatry Physician · Erie, PA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Strazisar, DO is a Psychiatry Physician provider in Erie, PA (NPI 1164660114).
Provider details
- NPI number
- 1164660114
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- OTO12143 (PA)
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
17 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
971 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) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 711 | $47 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 140 | $74 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 56 | $76 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 52 | $74 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 12 | $122 |
Typical Medicare-allowed amounts for these services range $47–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Alprazolam | 42 |
| Brexpiprazolebrand: Rexulti | 25 |
| Vortioxetine Hydrobromidebrand: Trintellix | 25 |
| Duloxetine Hcl | 24 |
| Trazodone Hcl | 24 |
| Doxepin Hcl | 21 |
| Lorazepam | 21 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 18 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-01-29
- Last updated
- 2016-11-21
Frequently asked questions
- What is Mark Strazisar's NPI number?
- Mark Strazisar's National Provider Identifier (NPI) is 1164660114, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Strazisar's specialty?
- Mark Strazisar is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Strazisar located?
- Mark Strazisar's practice location on file with NPPES is 5515 Peach St, Erie, PA 16509-2603.
- What is Mark Strazisar's phone number?
- The practice phone number listed in the NPPES registry for Mark Strazisar is (814) 864-4031.
- Does Mark Strazisar accept Medicare?
- Mark Strazisar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Strazisar's NPI active?
- Yes — Mark Strazisar's NPI (1164660114) is active in the NPPES registry as of the last update on 2016-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.