BYRON HARRIS ANSON M.D.
NPI 1508984634
Anesthesiology in San Antonio, TX

Active since March 27, 2007PECOS EnrolledAccepts Medicare Assignment
93.5/100
CMS Quality Rating
45 NE LOOP 410, SUITE 900, SAN ANTONIO, TX 78216(210) 375-7780(210) 581-9808 Get Directions Write a Review

NPPES record last updated: June 1, 2017. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Byron Harris Anson M.d. NPPES

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

BYRON HARRIS ANSON M.D. (NPI 1508984634) is an individual anesthesiology provider in San Antonio, Texas, licensed in Texas (M6019) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Aspirus Riverview Hospital & Clinics Inc, and is a graduate of Other (2003).

NPPES Registry Identity

NPI1508984634
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameBYRON HARRIS ANSONCredential: M.D.
Location Address45 NE LOOP 410, SUITE 900San Antonio, TX 78216-5831
Mailing Address45 Ne Loop 410, Ste 900San Antonio, TX 78216-5831 · (210) 682-3938
Fax(210) 581-9808
Sole ProprietorNo
Medical School CMSOtherGraduated 2003
Enumeration DateMarch 27, 2007
Last NPPES UpdateJune 1, 2017
✔ NPI 1508984634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TX · M6019
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
45 NE LOOP 410, San Antonio, TX 78216

Other Identifiers 6

OtherM6019TX · Medical License
Medicare PIN8J5977TX
Other8J7783Mcr
Medicaid188069201TX
Other188069203Cshcn
Other188069202Mcd

Accepted 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

Byron Harris Anson M.d. 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 ID941301105
PECOS Enrollment IDI20070718000708, I20250411003240
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 Reassignments

5

Medicare enrollment records show Byron Anson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
18518 HARDY OAK BLVD STE 100
San Antonio, TX 78258
  • Reassigned Medicare billing, Texas enrollment
  • 226 clinicians in this Medicare group
Anesthesiology
9618 HUEBER RD, STE 202
San Antonio, TX 78240
  • Reassigned Medicare billing, Texas enrollment
  • 4 clinicians in this Medicare group
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
Multi-Specialty
419 N OAK ST
Adams, WI 53910
  • Reassigned Medicare billing, Wisconsin enrollment
  • 397 clinicians in this Medicare group
Emergency Medicine
PO BOX 143
Basin, WY 82410
  • Reassigned Medicare billing, Wyoming enrollment
  • Also billed through NPI 1366432197 (Wyoming)
  • 181 clinicians in this Medicare group

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 3

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.

Anesthesia for other procedure on nose and sinuses 00160
Anesthesia for procedures on the nose and sinuses involves administering medication to block sensation, ensuring comfort during the procedure. It can be local (numbing a specific area) or general (you're asleep). This helps prevent pain and discomfort during the procedure.
14 services14 patients
Anesthesia for other procedure on lower abdomen 00840
Anesthesia for a lower abdomen procedure involves medication to eliminate pain during surgery. You might be awake but relaxed and pain-free, or you may be completely unconscious. It's administered to ensure comfort and safety throughout the operation.
14 services14 patients
Anesthesia for other procedure on lower abdomen outside abdominal cavity 00860
Anesthesia for a procedure on the lower abdomen outside the abdominal cavity involves medication to numb the area or make you sleep, ensuring comfort and painlessness during the procedure. It is safe and commonly used in many medical procedures.
11 services11 patients

Hospital Affiliations CMS Care Compare

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

Aspirus Riverview Hospital & Clinics Inc

Acute Care Hospitals · Wisconsin Rapids, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520033
Location410 Dewey StWisconsin Rapids, WI 54495 · Wood County
Emergency services

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.

93.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
100%986 patients5/55-star benchmark: 100%
Post-Anesthetic Transfer of Care: Use of Checklist or Protocol for Direct Transfer of Care from Procedure Room to Intensive Care Unit (ICU)
Percentage of patients, regardless of age, who undergo a procedure under anesthesia and are admitted to an Intensive Care Unit (ICU) directly from the anesthetizing location, who have a documented use of a checklist or protocol for the transfer of care from…
100%23 patients
Prevention of Post-Operative Nausea and Vomiting (PONV) - Combination Therapy
Percentage of patients, aged 18 years and older, who undergo a procedure under an inhalational general anesthetic, AND who have three or more risk factors for post-operative nausea and vomiting (PONV), who receive combination therapy consisting of at least…
100%478 patients
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 20

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

Anesthesiology
45 NE LOOP 410, SUITE 900
SAN ANTONIO, TX 78216
Physical Therapist
45 NE LOOP 410
SAN ANTONIO, TX 78216
Anesthesiology
45 NE LOOP 410, SUITE 900
SAN ANTONIO, TX 78216
Anesthesiology
45 NE LOOP 410, SUITE 900
SAN ANTONIO, TX 78216
Anesthesiology
45 NE LOOP 410, SUITE 900
SAN ANTONIO, TX 78216
Anesthesiology
45 NE LOOP 410
SAN ANTONIO, TX 78216
Anesthesiology
45 NE LOOP 410, SUITE 900
SAN ANTONIO, TX 78216
Anesthesiology
45 NE LOOP 410, SUITE 900
SAN ANTONIO, TX 78216

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 Byron Anson's NPI number?

The NPI number for Byron Anson is 1508984634. It was assigned to this individual provider in the NPPES registry on March 27, 2007.

Where is Byron Anson located?

Byron Anson practices at 45 NE Loop 410 Suite 900, San Antonio, TX 78216. The listed phone number is (210) 375-7780.

What is Byron Anson's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Byron Anson enrolled in Medicare?

Yes. Byron Anson 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 organizations bill Medicare for Byron Anson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Byron Anson reassigns Medicare benefits to 5 organizations: Tejas Anesthesia PLLC (San Antonio, TX), Anesthesia Partners Of San Antonio, PLLC (San Antonio, TX), U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX), Aspirus Riverview Hospital & Clinics, Inc. (Adams, WI) and West Park Hospital District (Basin, WY). Each 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 Byron Anson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Byron Anson accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Byron Anson 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 Byron Anson affiliated with any hospitals?

According to CMS data, Byron Anson is affiliated with Aspirus Riverview Hospital & Clinics Inc.

When was this NPI record last updated?

The NPPES record for Byron Anson was last updated on June 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.