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BRIAN WILLIAM JOHNSON M.D.
NPI 1912220120
Emergency Medicine in San Antonio, TX

Active since March 03, 2010PECOS Enrolled
75/100
CMS Quality Rating
11503 NW MILITARY HWY STE 122, SAN ANTONIO, TX 78231(210) 853-1500(210) 853-1525 Get Directions Write a Review

NPPES record last updated: March 22, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Brian William Johnson M.d. NPPES

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

BRIAN WILLIAM JOHNSON M.D. (NPI 1912220120) is an individual emergency medicine provider in San Antonio, Texas, licensed in Texas (Q3025) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1912220120
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameBRIAN WILLIAM JOHNSONCredential: M.D.
Location Address11503 NW MILITARY HWY STE 122San Antonio, TX 78231-1896
Mailing Address13431 Pecan StableHelotes, TX 78023-4216 · (954) 856-0940
Phone(210) 853-1500
Fax(210) 853-1525
Sole ProprietorYes
Enumeration DateMarch 3, 2010
Last NPPES UpdateMarch 22, 2022
NPPES CertifiedMarch 22, 2022
✔ NPI 1912220120 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in TX · Q3025
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
11503 NW MILITARY HWY STE 122, San Antonio, TX 78231
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health of TX, Blue Cross and Blue Shield of Texas, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brian William Johnson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Brian Johnson reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emergency Medicine Services Of Tx, PLLC
3.9 mi
Emergency Medicine
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 1,452 clinicians in this Medicare group
NPI 1245938729 (210) 575-4000
Hospital Medicine Services Of Tx, PLLC
3.9 mi
Hospitalist
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 681 clinicians in this Medicare group
NPI 1881392363 (210) 575-4000
Bexar Emergency Physicians, PLLC
4.4 mi
Emergency Medicine
2827 BABCOCK RD
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 149 clinicians in this Medicare group
NPI 1548034994 (210) 705-6300
Third Coast Emergency Physicians Southwest PA
12 mi
Emergency Medicine
4103 NORTH LOOK 1604 W
San Antonio, TX 78249
  • Reassigned Medicare billing, Texas enrollment
  • 379 clinicians in this Medicare group
NPI 1497793475 (330) 493-4443
Victoria Emergency Partners LLC
67 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 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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
144 services140 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
123 services121 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
23 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78231 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
$84.92 typical visit price
range $54.84 – $166.88
Typical copayment $21.23 (range $13.71 – $41.72)
Most-billed visit code 99203
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.

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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

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 Johnson's NPI number?

The NPI number for Brian Johnson is 1912220120. It was assigned to this individual provider in the NPPES registry on March 3, 2010.

Where is Brian Johnson located?

Brian Johnson practices at 11503 NW Military Hwy Ste 122, San Antonio, TX 78231. The listed phone number is (210) 853-1500.

What is Brian Johnson's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Brian Johnson enrolled in Medicare?

Yes. Brian Johnson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Brian Johnson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Johnson reassigns Medicare benefits to 5 organizations: Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), Hospital Medicine Services Of Tx, PLLC (San Antonio, TX), Bexar Emergency Physicians, PLLC (San Antonio, TX), Third Coast Emergency Physicians Southwest PA (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 Johnson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Johnson accept?

Health plans from Antidote Health of TX, Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Brian Johnson 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 Johnson was last updated on March 22, 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.