DR. SANDRA JOHNSON MD
NPI 1538789748
Emergency Medicine in Houston, TX

Q: What is Sandra Johnson's NPI number?

The NPI number for Sandra Johnson is 1538789748. It was assigned to this individual provider in the NPPES registry on April 17, 2020.

Q: What is Sandra Johnson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Sandra Johnson was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.

Active since April 17, 2020PECOS EnrolledAccepts Medicare Assignment

82.38/100

CMS Quality Rating

6431 FANNIN ST, HOUSTON, TX 77030(713) 500-7885 Get Directions Write a Review

NPPES record last updated: November 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 19, 2025, Apr 17, 2020 (2 updates tracked since 2020).

On this page

About Dr. Sandra Johnson Md NPPES

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

DR. SANDRA JOHNSON MD (NPI 1538789748) is an individual emergency medicine provider in Houston, Texas, licensed in Illinois (125075463) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Memorial Hermann - Texas Medical Center, and is a graduate of Other (2020).

NPPES Registry Identity

NPI1538789748

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. SANDRA JOHNSONCredential: MD

Location Address6431 FANNIN STHouston, TX 77030-1501

Mailing Address6431 Fannin StHouston, TX 77030-1501 · (713) 500-7885

Phone(713) 500-7885

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateApril 17, 2020

Last NPPES UpdateNovember 19, 20252 updates tracked since enumeration

NPPES CertifiedNovember 19, 2025

✔ NPI 1538789748 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in IL · 125075463

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.

6431 FANNIN ST, Houston, TX 77030

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Sandra Johnson 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 ID547683385

PECOS Enrollment IDI20230720003019

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.

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.

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.

54 services53 patients

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.

19 services19 patients

Hospital Affiliations CMS Care Compare 2

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

Memorial Hermann - Texas Medical Center

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450068

Location6411 FanninHouston, TX 77030 · Harris County

Emergency services Birthing friendly

Harris Health System

Acute Care Hospitals · Houston, TX

3/5 CMS rating

OwnershipGovernment - Hospital District or Authority

CMS Certification Number450289

Location2525 Holly HallHouston, TX 77054 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$102.71 typical visit price

range $18.60 – $143.93

Typical copayment $25.67 (range $4.65 – $35.98)

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.

82.38/100

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

Scored as part of a group practice

Quality

79.23

Promoting Interoperability

100

Improvement Activities

Cost

58.5

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.

DR. STUART MASON FRASER M.D.

Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)

6431 FANNIN ST, MSB 3.151
HOUSTON, TX 77030

Harris County (713) 500-5800

AMY ROSSI MD

Emergency Medicine

6431 FANNIN ST, JJL 431
HOUSTON, TX 77030

Harris County (713) 500-7882

MATTHEW KHOA NGUYEN

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-6113

MARY WAYNE PELTIER MD

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-5010

HANNA MAVRIC DO

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-7882

DR. DAVIDE CATTANO MD

Anesthesiology

6431 FANNIN ST, MSB 5.020
HOUSTON, TX 77030

Harris County (713) 500-6235

MICHAEL ANTHONY HOLZMAN

Orthopaedic Surgery

6431 FANNIN ST, SUITE JJL 310
HOUSTON, TX 77030

Harris County (713) 500-5154

SHUBHANGI MEHRA

Student in an Organized Health Care Education/Training Program

6431 FANNIN ST
HOUSTON, TX 77030

Harris County (713) 500-0798

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 Sandra Johnson's NPI number?

The NPI number for Sandra Johnson is 1538789748. It was assigned to this individual provider in the NPPES registry on April 17, 2020.

Where is Sandra Johnson located?

Sandra Johnson practices at 6431 Fannin St, Houston, TX 77030. The listed phone number is (713) 500-7885.

What is Sandra Johnson's specialty?

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

Is Sandra Johnson enrolled in Medicare?

Yes. Sandra Johnson 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.

What insurance does Sandra Johnson accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 5 other insurers list Sandra 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.

Is Sandra Johnson affiliated with any hospitals?

According to CMS data, Sandra Johnson is affiliated with Memorial Hermann - Texas Medical Center and Harris Health System.

When was this NPI record last updated?

The NPPES record for Sandra Johnson was last updated on November 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.