George Hsieh, MD
NPI 1639384837 · Specialist · San Antonio, TX
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Hsieh, MD is a Specialist provider in San Antonio, TX (NPI 1639384837).
Provider details
- NPI number
- 1639384837
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 27506 (AL)
Specialties & taxonomies
Other Service Providers
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
84 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 22 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 18 | $86 |
| Insertion of Central Venous Tube With Port (5 Years Or Older)36561 | 17 | $312 |
| Fluoroscopic Guidance for Insertion Or Removal of Central Vein Access Device77001 | 16 | $17 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 11 | $160 |
Typical Medicare-allowed amounts for these services range $17–$312 (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
- 2007-05-11
- Last updated
- 2022-07-21
Frequently asked questions
- What is George Hsieh's NPI number?
- George Hsieh's National Provider Identifier (NPI) is 1639384837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Hsieh's specialty?
- George Hsieh is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is George Hsieh located?
- George Hsieh's practice location on file with NPPES is 18707 Hardy Oak Blvd Ste 210, San Antonio, TX 78258-4803.
- What is George Hsieh's phone number?
- The practice phone number listed in the NPPES registry for George Hsieh is (210) 593-2500.
- Does George Hsieh accept Medicare?
- George Hsieh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Hsieh's NPI active?
- Yes — George Hsieh's NPI (1639384837) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.