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GEORGE HSIEH MD
NPI 1639384837
Specialist in San Antonio, TX

Active since May 11, 2007PECOS EnrolledAccepts Medicare Assignment
18707 HARDY OAK BLVD STE 210, SAN ANTONIO, TX 78258(210) 593-2500(210) 593-2501 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, Aug 15, 2017 (2 updates tracked since 2017).

About George Hsieh Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEORGE HSIEH MD (NPI 1639384837) is an individual specialist in San Antonio, Texas, licensed in Texas (N5733) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Methodist Hospital Stone Oak, and is a graduate of Other (2001).

NPPES Registry Identity

NPI1639384837
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameGEORGE HSIEHCredential: MD
Location Address18707 HARDY OAK BLVD STE 210San Antonio, TX 78258-4803
Mailing Address18707 Hardy Oak Blvd, Suite 210San Antonio, TX 78258 · (210) 593-2500 · Fax (210) 593-2501
Phone(210) 593-2500
Fax(210) 593-2501
Sole ProprietorNo
Medical School CMSOtherGraduated 2001
Enumeration DateMay 11, 2007
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1639384837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in TX · N5733
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Also ListedSurgeryTaxonomy 208600000X · License 27506 (AL)
18707 HARDY OAK BLVD STE 210, San Antonio, TX 78258
Open in Google Maps ↗

Other Identifiers 1

OtherTXB109015TX · Medicare Individual Ptan

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community First, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

George Hsieh Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID42403438
PECOS Enrollment IDI20101018001020
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show George Hsieh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

South Texas Oncology And Hematology, PLLC
9.1 mi
Hematology & Oncology
4383 MEDICAL DRIVE
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 51 clinicians in this Medicare group
NPI 1770664542 (210) 593-2575

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
22 services22 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
18 services16 patients
Insertion of central venous tube with port (5 years or older) 36561
A central venous tube with port is a small, flexible tube inserted into a large vein, usually in the chest. It allows for easy administration of medication, fluids, or blood products over a long period. A port is attached under the skin for easy access. It's safe for individuals aged 5 and above.
17 services17 patients
Fluoroscopic guidance for insertion or removal of central vein access device 77001
Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.
16 services16 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Methodist Hospital Stone Oak

Acute Care Hospitals · San Antonio, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number670055
Location1139 E Sonterra Blvd,San Antonio, TX 78258 · Bexar County
Emergency services Birthing friendly

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Patient-Centered Surgical Risk Assessment and Communication
Percentage of patients who underwent a non-emergency surgery who had their personalized risks of postoperative complications assessed by their surgical team prior to surgery using a clinical data-based, patient-specific risk calculator and who received…
5%40 patients1/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. WILLIAM CANNON LEWIS M.D.
Colon & Rectal Surgery
18707 HARDY OAK BLVD STE 210
SAN ANTONIO, TX 78258
Bexar County (210) 593-2500
DR. BRUCE E CONWAY MD
Surgery
18707 HARDY OAK BLVD STE 210
SAN ANTONIO, TX 78258
Bexar County (210) 593-2500
DR. JOE ERIC JOHNSTON MD
Surgery
18707 HARDY OAK BLVD STE 210
SAN ANTONIO, TX 78258
Bexar County (210) 593-2500

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George Hsieh's NPI number?

The NPI number for George Hsieh is 1639384837. It was assigned to this individual provider in the NPPES registry on May 11, 2007.

Where is George Hsieh located?

George Hsieh practices at 18707 Hardy Oak Blvd Ste 210, San Antonio, TX 78258. The listed phone number is (210) 593-2500.

What is George Hsieh's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is George Hsieh enrolled in Medicare?

Yes. George Hsieh is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for George Hsieh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Hsieh reassigns Medicare benefits to South Texas Oncology And Hematology, PLLC (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for George Hsieh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Hsieh accept?

Health plans from Blue Cross and Blue Shield of Texas, Community First and UnitedHealthcare list George Hsieh as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is George Hsieh affiliated with any hospitals?

According to CMS data, George Hsieh is affiliated with Methodist Hospital Stone Oak.

When was this NPI record last updated?

The NPPES record for George Hsieh was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.