Michael Chai, M.D.
NPI 1558448894 · Anesthesiology Physician · Montebello, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Chai, M.D. is a Anesthesiology Physician provider in Montebello, CA (NPI 1558448894).
Provider details
- NPI number
- 1558448894
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G59075 (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
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
96 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 Other Procedure on Large Bowel Using an Endoscope00811 | 24 | $121 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 21 | $144 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 14 | $99 |
| Ultrasonic Guidance for Blood Vessel Access76937 | 14 | $14 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 12 | $44 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 11 | $156 |
Typical Medicare-allowed amounts for these services range $14–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-01
- Last updated
- 2013-10-02
Frequently asked questions
- What is Michael Chai's NPI number?
- Michael Chai's National Provider Identifier (NPI) is 1558448894, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Chai's specialty?
- Michael Chai is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Chai located?
- Michael Chai's practice location on file with NPPES is 309 W Beverly Blvd, Montebello, CA 90640-4308.
- What is Michael Chai's phone number?
- The practice phone number listed in the NPPES registry for Michael Chai is (323) 725-4209.
- Does Michael Chai accept Medicare?
- Michael Chai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Chai's NPI active?
- Yes — Michael Chai's NPI (1558448894) is active in the NPPES registry as of the last update on 2013-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.