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BRIAN MICHAEL KANATZAR D.O.
NPI 1093033243
Internal Medicine in San Antonio, TX

Active since May 12, 2010PECOS EnrolledAccepts Medicare Assignment
4330 MEDICAL DR, STE 500, SAN ANTONIO, TX 78229(210) 576-5306(210) 694-0645 Get Directions Write a Review

NPPES record last updated: September 26, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Brian Michael Kanatzar D.o. NPPES

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

BRIAN MICHAEL KANATZAR D.O. (NPI 1093033243) is an individual internal medicine provider in San Antonio, Texas, licensed in Texas (N5753) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Antonio, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1093033243
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameBRIAN MICHAEL KANATZARCredential: D.O.
Location Address4330 MEDICAL DR, STE 500San Antonio, TX 78229-3342
Mailing Address4330 Medical Dr, Ste 500San Antonio, TX 78229-3342 · (210) 576-5306 · Fax (210) 694-0645
Phone(210) 576-5306
Fax(210) 694-0645
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateMay 12, 2010
Last NPPES UpdateSeptember 26, 2024
NPPES CertifiedSeptember 26, 2024
✔ NPI 1093033243 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · N5753
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
4330 MEDICAL DR, San Antonio, TX 78229
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Secondary Practice Location 1

Location 110300 Heritage St Ste 130San Antonio, TX 78216-3924 · Phone (210) 332-5462

Other Identifiers 1

Other261612YLUPWellmed Networks Inc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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

Brian Michael Kanatzar D.o. 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 ID244429421
PECOS Enrollment IDI20110104001291
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

3

Medicare enrollment records show Brian Kanatzar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Wellmed Networks, Inc.
0.2 mi
Cardiovascular Disease
7622 LOUIS PASTEUR, SUITE 100
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 233 clinicians in this Medicare group
NPI 1386948677 (210) 588-0122
Concussive And Cognitive Diagnostics PLLC
5.1 mi
Internal Medicine
10300 HERITAGE ST STE 140
San Antonio, TX 78216
  • Reassigned Medicare billing, Texas enrollment
  • 6 clinicians in this Medicare group
NPI 1689243156 (210) 441-2557
Victoria Emergency Partners LLC
69 mi
Emergency Medicine
1110 N SARAH DEWITT DR
Gonzales, TX 78629
  • Reassigned Medicare billing, Texas enrollment
  • 430 clinicians in this Medicare group
NPI 1164770996 (830) 672-7581

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 2

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
23 services14 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
19 services19 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$126.40 typical visit price
range $54.84 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$97.05 typical visit price
range $17.52 – $136.11
Typical copayment $24.26 (range $4.38 – $34.02)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

JAMES RICHARD GARRISON JR. M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
4330 MEDICAL DR, SUITE 325
SAN ANTONIO, TX 78229
Bexar County (210) 615-7700
DR. ABHA S. GYANI M.D.
Internal Medicine
4330 MEDICAL DR, STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 576-5306
MRS. STEPHANIE BRUNO APRN
Nurse Practitioner (Family)
4330 MEDICAL DR, STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 558-0122
DR. LORI I GAGNON MD
Family Medicine
4330 MEDICAL DR, STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 426-6230
LE'JON P TERAN APN
Nurse Practitioner (Family)
4330 MEDICAL DR, STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 576-5306
SOUTH TEXAS CARDIOVASCULAR CONSULTANTS
Internal Medicine (Cardiovascular Disease)
4330 MEDICAL DR, STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 692-1414
SHANNON M. GEDDES-STOWE M.D.
Internal Medicine
4330 MEDICAL DR, STE 500
SAN ANTONIO, TX 78229
Bexar County (210) 576-5306
SAILAJA PURNA MANNE MD
Internal Medicine (Rheumatology)
4330 MEDICAL DR, 5TH FLOOR
SAN ANTONIO, TX 78229
Bexar County (210) 732-3668

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 Brian Kanatzar's NPI number?

The NPI number for Brian Kanatzar is 1093033243. It was assigned to this individual provider in the NPPES registry on May 12, 2010.

Where is Brian Kanatzar located?

Brian Kanatzar practices at 4330 Medical Dr Ste 500, San Antonio, TX 78229. The listed phone number is (210) 576-5306.

What is Brian Kanatzar's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Brian Kanatzar enrolled in Medicare?

Yes. Brian Kanatzar 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 Brian Kanatzar's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Kanatzar reassigns Medicare benefits to 3 organizations: Wellmed Networks, Inc. (San Antonio, TX), Concussive And Cognitive Diagnostics PLLC (San Antonio, TX) and Victoria Emergency Partners LLC (Gonzales, TX). 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 Brian Kanatzar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Kanatzar accept?

Health plans from Blue Cross and Blue Shield of Texas list Brian Kanatzar 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.

When was this NPI record last updated?

The NPPES record for Brian Kanatzar was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.