Thach Mai, D.O.
NPI 1366508541 · Anesthesiology Physician · La Mesa, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thach Mai, D.O. is a Anesthesiology Physician provider in La Mesa, CA (NPI 1366508541).
Provider details
- NPI number
- 1366508541
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 207A7093 (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
208 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 Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 36 | $165 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 28 | $193 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 21 | $152 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 19 | $324 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 18 | $42 |
| Anesthesia for Other Procedure on Lower Abdomen00840 | 16 | $270 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thach Mai's NPI number?
- Thach Mai's National Provider Identifier (NPI) is 1366508541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thach Mai's specialty?
- Thach Mai is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thach Mai located?
- Thach Mai's practice location on file with NPPES is 5555 Grossmont Center Dr, La Mesa, CA 91942-3019.
- What is Thach Mai's phone number?
- The practice phone number listed in the NPPES registry for Thach Mai is (619) 460-5111.
- Does Thach Mai accept Medicare?
- Thach Mai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thach Mai's NPI active?
- Yes — Thach Mai's NPI (1366508541) 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.