DR. JOHN B MARSHALL MD
NPI 1437135563
Emergency Medicine in Dallas, TX

Active since December 20, 2005PECOS EnrolledAccepts Medicare Assignment
81.9/100
CMS Quality Rating
7777 FOREST LN, DALLAS, TX 75230(972) 758-3598 Get Directions Write a Review

NPPES record last updated: July 9, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John B Marshall Md NPPES

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

DR. JOHN B MARSHALL MD (NPI 1437135563) is an individual emergency medicine provider in Dallas, Texas, licensed in Texas (M0164) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Hca Florida Memorial Hospital, and is a graduate of Texas Tech University Health Science Center School Of Medicine (2002).

NPPES Registry Identity

NPI1437135563
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. JOHN B MARSHALLCredential: MD
Location Address7777 FOREST LNDallas, TX 75230-2505
Mailing AddressPo Box 201606Dallas, TX 75320-1606 · (972) 758-3598
Sole ProprietorNo
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2002
Enumeration DateDecember 20, 2005
Last NPPES UpdateJuly 9, 2014
NPI 1437135563 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 · M0164
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.
7777 FOREST LN, Dallas, TX 75230

Other Identifiers 6

Other8J1776TX · Bcbs
Medicare UPINI30279TX
Medicaid173183801TX
Medicare PIN349303YLLYTX
OtherP00283723TX · Medicare Railroad
Medicare PIN8D5743TX

Accepted 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. John B Marshall 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 ID2163466160
PECOS Enrollment IDI20201023001751
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 4

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.
307 services297 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
253 services244 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.
69 services68 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
51 services51 patients

Hospital Affiliations CMS Care Compare

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

Hca Florida Memorial Hospital

Acute Care Hospitals · Jacksonville, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100179
Location3625 University Blvd SJacksonville, FL 32216 · Duval County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75230 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
$88.19 typical visit price
range $57.18 – $172.86
Typical copayment $22.04 (range $14.29 – $43.21)
Most-billed visit code 99203
Established Patient
$100.80 typical visit price
range $18.48 – $141.20
Typical copayment $25.20 (range $4.62 – $35.30)
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.

81.9/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.43
Promoting Interoperability100
Improvement Activities40
Cost59.59

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.

Emergency Medicine
7777 FOREST LN
DALLAS, TX 75230
Clinic/Center
7777 FOREST LN, C-500
DALLAS, TX 75230
Speech-Language Pathologist
7777 FOREST LN
DALLAS, TX 75230
Emergency Medicine
7777 FOREST LN
DALLAS, TX 75230
Anesthesiology
7777 FOREST LN
DALLAS, TX 75230
Physician Assistant (Surgical)
7777 FOREST LN
DALLAS, TX 75230
Audiologist-Hearing Aid Fitter
7777 FOREST LN, BUILDING C SUITE 100
DALLAS, TX 75230
Anesthesiology
7777 FOREST LN
DALLAS, TX 75230

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 John Marshall's NPI number?

The NPI number for John Marshall is 1437135563. It was assigned to this individual provider in the NPPES registry on December 20, 2005.

Where is John Marshall located?

John Marshall practices at 7777 Forest Ln, Dallas, TX 75230. The listed phone number is (972) 758-3598.

What is John Marshall's specialty?

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

Is John Marshall enrolled in Medicare?

Yes. John Marshall 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 John Marshall accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company and Sendero Health Plans, Local Nonprofit list John Marshall 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 John Marshall affiliated with any hospitals?

According to CMS data, John Marshall is affiliated with Hca Florida Memorial Hospital.

When was this NPI record last updated?

The NPPES record for John Marshall was last updated on July 9, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.