Gian Nhan, M.D.
NPI 1982770657 · Anesthesiology Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gian Nhan, M.D. is a Anesthesiology Physician provider in Los Angeles, CA (NPI 1982770657).
Provider details
- NPI number
- 1982770657
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A64288 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
279 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 58 | $45 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 46 | $148 |
| Anesthesia for Other Closed Procedure on Chest00520 | 43 | $190 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 28 | $140 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 28 | $179 |
| Anesthesia for Other Procedure on Upper Abdomen00790 | 19 | $321 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$101 across 4 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1500 Duarte RdDuarte, CA 91010-3012Phone: (626) 256-4673
Registry dates
- Enumerated
- 2006-11-27
- Last updated
- 2022-08-10
- Certified
- 2022-08-10
Frequently asked questions
- What is Gian Nhan's NPI number?
- Gian Nhan's National Provider Identifier (NPI) is 1982770657, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gian Nhan's specialty?
- Gian Nhan is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gian Nhan located?
- Gian Nhan's practice location on file with NPPES is 1720 E Cesar E Chavez Ave, Los Angeles, CA 90033-2414.
- What is Gian Nhan's phone number?
- The practice phone number listed in the NPPES registry for Gian Nhan is (323) 268-5000.
- Does Gian Nhan accept Medicare?
- Gian Nhan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gian Nhan's NPI active?
- Yes — Gian Nhan's NPI (1982770657) is active in the NPPES registry as of the last update on 2022-08-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.