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DR. STEPHEN M HART MD PA
NPI 1619087350
Anesthesiology in Dallas, TX

Active since August 30, 2006PECOS Enrolled
6606 LYNDON B JOHNSON FWY STE 200, DALLAS, TX 75240(972) 233-1999 Get Directions Write a Review

NPPES record last updated: May 14, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Stephen M Hart Md Pa NPPES

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

DR. STEPHEN M HART MD PA (NPI 1619087350) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (H4386) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Dallas.

NPPES Registry Identity

NPI1619087350
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. STEPHEN M HARTCredential: MD PA
Location Address6606 LYNDON B JOHNSON FWY STE 200Dallas, TX 75240-6524
Mailing AddressPo Box 840853Dallas, TX 75284-0853 · (972) 233-1999 · Fax (972) 233-3666
Phone(972) 233-1999
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateMay 14, 2020
NPPES CertifiedMay 14, 2020
✔ NPI 1619087350 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TX · H4386
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.
6606 LYNDON B JOHNSON FWY STE 200, Dallas, TX 75240
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Other Names 1

Other Name (5)Dr. Marc Hart Md Pa

Secondary Practice Location 1

Location 17777 Forest Lane, Medical City Dallas HospitalDallas, TX 75230 · Phone (972) 562-0028 · Fax (972) 562-9466

Other Identifiers 2

Other0047EDBcbs
Other00G645Bcbs

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stephen M Hart Md Pa 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 Reassignment

Medicare enrollment records show Stephen Hart reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

U. S. Anesthesia Partners Of Texas, P.A.,
231 mi
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
NPI 1548208564 (877) 361-1809

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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. JEFFREY WARDE JORDAN MD
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 715-5000
JOYCE YEN-CHU CHAO CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 715-5000
DR. EMILY ARLENE EILERS M.D.
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
GERALD REED CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
DR. TAMMY PHAM NGUYEN DO
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
GREG A VANZANT MD
Anesthesiology
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
SONIA DELICIA ESTES CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 233-1999
KATHRYN ANN HATWIG CRNA
Nurse Anesthetist, Certified Registered
6606 LYNDON B JOHNSON FWY STE 200
DALLAS, TX 75240
Dallas County (972) 715-5000

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 Stephen Hart's NPI number?

The NPI number for Stephen Hart is 1619087350. It was assigned to this individual provider in the NPPES registry on August 30, 2006. The provider is also known as Dr. Marc Hart MD PA.

Where is Stephen Hart located?

Stephen Hart practices at 6606 Lyndon B Johnson Fwy Ste 200, Dallas, TX 75240. The listed phone number is (972) 233-1999.

What is Stephen Hart's specialty?

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

Is Stephen Hart enrolled in Medicare?

Yes. Stephen Hart is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephen Hart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Hart reassigns Medicare benefits to U. S. Anesthesia Partners Of Texas, P.A., (Houston, TX). The 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 Stephen Hart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephen Hart accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas and Molina Healthcare list Stephen Hart 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 Stephen Hart was last updated on May 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.