Michael Marcus, MD
NPI 1316380306 · Psychiatry Physician · Lancaster, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Marcus, MD is a Psychiatry Physician provider in Lancaster, CA (NPI 1316380306).
Provider details
- NPI number
- 1316380306
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A136756 (CA)
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
13 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
116 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) |
|---|---|---|
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 26 | $98 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 24 | $62 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 21 | $51 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 18 | $138 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 14 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxyzine Hcl | 219 | 36 |
| Quetiapine Fumarate | 193 | 20 |
| Trazodone Hcl | 159 | 19 |
| Sertraline Hcl | 157 | 15 |
| Olanzapine | 115 | 12 |
| Buspirone Hcl | 108 | 15 |
| Prazosin Hcl | 106 | 16 |
| Benztropine Mesylate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-04-10
- Last updated
- 2022-07-21
Frequently asked questions
- What is Michael Marcus's NPI number?
- Michael Marcus's National Provider Identifier (NPI) is 1316380306, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Marcus's specialty?
- Michael Marcus is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Marcus located?
- Michael Marcus's practice location on file with NPPES is 349 E Avenue K6 Ste a, Lancaster, CA 93535-4548.
- What is Michael Marcus's phone number?
- The practice phone number listed in the NPPES registry for Michael Marcus is (661) 723-4260.
- Does Michael Marcus accept Medicare?
- Michael Marcus is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Marcus's NPI active?
- Yes — Michael Marcus's NPI (1316380306) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.