Marcus Ottochian, M.D.
NPI 1952614307 · Critical Care Medicine (Internal Medicine) Physician · Duarte, CA
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcus Ottochian, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Duarte, CA (NPI 1952614307).
Provider details
- NPI number
- 1952614307
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A113211 (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 tenure28% of score
15 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
1,015 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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 542 | $223 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 263 | $126 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 80 | $84 |
| Critical Care, Each Additional 30 Minutes99292 | 57 | $113 |
| Insertion of Non-Tunneled Central Venous Tube for Infusion (5 Years Or Older)36556 | 21 | $87 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 20 | $145 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-14
- Last updated
- 2023-05-01
- Certified
- 2023-05-01
Frequently asked questions
- What is Marcus Ottochian's NPI number?
- Marcus Ottochian's National Provider Identifier (NPI) is 1952614307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcus Ottochian's specialty?
- Marcus Ottochian is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Marcus Ottochian located?
- Marcus Ottochian's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is Marcus Ottochian's phone number?
- The practice phone number listed in the NPPES registry for Marcus Ottochian is (626) 256-4673.
- Does Marcus Ottochian accept Medicare?
- Marcus Ottochian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcus Ottochian's NPI active?
- Yes — Marcus Ottochian's NPI (1952614307) is active in the NPPES registry as of the last update on 2023-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.