Michael Schwartz, D.O.
NPI 1861584708 · Psychiatry Physician · Costa Mesa, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Schwartz, D.O. is a Psychiatry Physician provider in Costa Mesa, CA (NPI 1861584708).
Provider details
- NPI number
- 1861584708
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A7992 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
945 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 641 | $68 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 222 | $81 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 67 | $174 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 15 | $179 |
Typical Medicare-allowed amounts for these services range $68–$179 (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 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 149 | 15 |
| Quetiapine Fumarate | 135 | 29 |
| Gabapentin | 135 | 21 |
| Hydroxyzine Pamoate | 110 | 30 |
| Divalproex Sodium | 97 | 20 |
| Clonazepam | 92 | 17 |
| Olanzapine | 83 | 15 |
| Sertraline Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$751 across 32 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-29
- Last updated
- 2015-06-22
Frequently asked questions
- What is Michael Schwartz's NPI number?
- Michael Schwartz's National Provider Identifier (NPI) is 1861584708, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Schwartz's specialty?
- Michael Schwartz is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Schwartz located?
- Michael Schwartz's practice location on file with NPPES is 427 E 17th St, Costa Mesa, CA 92627-3201.
- What is Michael Schwartz's phone number?
- The practice phone number listed in the NPPES registry for Michael Schwartz is (949) 478-3444.
- Does Michael Schwartz accept Medicare?
- Michael Schwartz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Schwartz's NPI active?
- Yes — Michael Schwartz's NPI (1861584708) is active in the NPPES registry as of the last update on 2015-06-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.