TERENCE PATRICK LONERGAN M.D.
NPI 1477617298
Emergency Medicine in Fort Sam Houston, TX

Active since December 19, 2006PECOS Enrolled
3551 ROGER BROOKE DR, FORT SAM HOUSTON, TX 78234(937) 269-3882(210) 539-9582 Get Directions Write a Review

NPPES record last updated: July 8, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 8, 2024, Jul 14, 2021 (2 updates tracked since 2021).

About Terence Patrick Lonergan M.d. NPPES

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

TERENCE PATRICK LONERGAN M.D. (NPI 1477617298) is an individual emergency medicine provider in Fort Sam Houston, Texas, licensed in Texas (U0800) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in San Antonio.

NPPES Registry Identity

NPI1477617298
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameTERENCE PATRICK LONERGANCredential: M.D.
Location Address3551 ROGER BROOKE DRFort Sam Houston, TX 78234-4504
Mailing Address3551 Roger Brooke DrFort Sam Houston, TX 78234-4504 · (210) 539-9582
Fax(210) 539-9582
Sole ProprietorNo
Enumeration DateDecember 19, 2006
Last NPPES UpdateJuly 8, 20242 updates tracked since enumeration
NPPES CertifiedJuly 8, 2024
✔ NPI 1477617298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in TX · U0800✔ Licensed in NC · 95-00987
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.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License U0800 (TX)
3551 ROGER BROOKE DR, Fort Sam Houston, TX 78234

Secondary Practice Location 1

Location 14502 Medical DrSan Antonio, TX 78229-4402 · Phone (210) 358-4000

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Terence Patrick Lonergan 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

4

Medicare enrollment records show Terence Lonergan reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
903 W MARTIN ST # MS 49-2
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 1,129 clinicians in this Medicare group
Emergency Medicine
7700 FLOYD CURL DR
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 1,452 clinicians in this Medicare group
Clinical Pathology/Laboratory Medicine
7703 FLOYD CURL DR RM 327B
San Antonio, TX 78229
  • Reassigned Medicare billing, Texas enrollment
  • 2,397 clinicians in this Medicare group
Emergency Medicine
1110 N SARAH DEWITT DR
Gonzales, TX 78629
  • Reassigned Medicare billing, Texas enrollment
  • 430 clinicians in this Medicare group

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.

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.
19 services19 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78234 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.

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.

Nurse Anesthetist, Certified Registered
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Physician Assistant
3551 ROGER BROOKE DR
JBSA FT SAM HOUSTON, TX 78234
Pediatrics (Pediatric Endocrinology)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Neurological Surgery
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Ophthalmology
3551 ROGER BROOKE DR
JBSA FORT SAM HOUSTON, TX 78234
Emergency Medicine (Emergency Medical Services)
3551 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234

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 Terence Lonergan's NPI number?

The NPI number for Terence Lonergan is 1477617298. It was assigned to this individual provider in the NPPES registry on December 19, 2006.

Where is Terence Lonergan located?

Terence Lonergan practices at 3551 Roger Brooke Dr, Fort Sam Houston, TX 78234. The listed phone number is (937) 269-3882.

What is Terence Lonergan's specialty?

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

Is Terence Lonergan enrolled in Medicare?

Yes. Terence Lonergan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Terence Lonergan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Terence Lonergan reassigns Medicare benefits to 4 organizations: Community Medicine Associates (San Antonio, TX), Emergency Medicine Services Of Tx, PLLC (San Antonio, TX), University Of Texas Health Science Center At San Antonio (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 Terence Lonergan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Terence Lonergan accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Imperial Insurance Companies, Inc., Oscar Insurance Company and Sendero Health Plans, Local Nonprofit and 1 other insurer list Terence Lonergan 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 Terence Lonergan was last updated on July 8, 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.