Armen Chalian, M.D.
NPI 1588685309 · Anesthesiology Physician · Orange, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Armen Chalian, M.D. is a Anesthesiology Physician provider in Orange, CA (NPI 1588685309).
Provider details
- NPI number
- 1588685309
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G71003 (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
19 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
320 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) |
|---|---|---|
| Anesthesia for Injection, Drainage Or Aspiration Procedures on Spine Or Spinal Cord of Lower Back Accessed Through Skin Using Imaging Guidance01938 | 97 | $126 |
| Injection of Substance Into Lower Spine Canal Using Imaging Guidance62323 | 41 | $103 |
| Anesthesia for Lens Surgery00142 | 35 | $132 |
| Injection of Anesthetic And/Or Steroid Drug Into Sacral Spine Nerve Root Using Imaging Guidance, Single Level64483 | 32 | $135 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 31 | $145 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2015-02-19
Frequently asked questions
- What is Armen Chalian's NPI number?
- Armen Chalian's National Provider Identifier (NPI) is 1588685309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Armen Chalian's specialty?
- Armen Chalian is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Armen Chalian located?
- Armen Chalian's practice location on file with NPPES is 1100 W Stewart Dr, Orange, CA 92868-3849.
- What is Armen Chalian's phone number?
- The practice phone number listed in the NPPES registry for Armen Chalian is (714) 633-9111.
- Does Armen Chalian accept Medicare?
- Armen Chalian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Armen Chalian's NPI active?
- Yes — Armen Chalian's NPI (1588685309) is active in the NPPES registry as of the last update on 2015-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.