Alexei Michelson, M.D.
NPI 1255372389 · Psychiatry Physician · Mission Viejo, CA
Alexei Michelson, M.D. is a Psychiatry Physician provider in Mission Viejo, CA (NPI 1255372389).
Provider details
- NPI number
- 1255372389
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A56309 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 67 | 11 |
| Trazodone Hcl | 52 | 14 |
| Escitalopram Oxalate | 35 | — |
| Lamotrigine | 28 | — |
| Fluoxetine Hcl | 26 | — |
| Lorazepam | 26 | — |
| Aripiprazole | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$910 across 28 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
- 2006-06-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Alexei Michelson's NPI number?
- Alexei Michelson's National Provider Identifier (NPI) is 1255372389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexei Michelson's specialty?
- Alexei Michelson is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Alexei Michelson located?
- Alexei Michelson's practice location on file with NPPES is 24800 Chrisanta Dr, Mission Viejo, CA 92691-4833.
- What is Alexei Michelson's phone number?
- The practice phone number listed in the NPPES registry for Alexei Michelson is (949) 462-9114.
- Is Alexei Michelson's NPI active?
- Yes — Alexei Michelson's NPI (1255372389) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.