TEXAS EM-I MEDICAL SERVICES PA
NPI 1437334414
Emergency Medicine in Angleton, TX

Active since January 08, 2008
132 E HOSPITAL DR, EMERGENCY DEPARTMENT, ANGLETON, TX 77515(954) 939-5000(877) 250-6889 Get Directions Write a Review

NPPES record last updated: June 3, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 3, 2026, Aug 6, 2025, Apr 8, 2025 and 1 more (4 updates tracked since 2023).

About Texas Em-i Medical Services Pa NPPES

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

TEXAS EM-I MEDICAL SERVICES PA (NPI 1437334414) is a healthcare organization registered as an emergency medicine in Angleton, Texas and active in the NPI registry since January 2008. The organization lists Mark Jeffrey Slepin, Owner/ao, as its authorized official.

NPPES Registry Identity

NPI1437334414
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameTEXAS EM-I MEDICAL SERVICES PA
Location Address132 E HOSPITAL DR, EMERGENCY DEPARTMENTAngleton, TX 77515-4112
Mailing AddressPo Box 202571Dallas, TX 75320-2571 · (954) 939-5000 · Fax (877) 250-6889
Fax(877) 250-6889
Organization SubpartNo
Authorized OfficialMark Jeffrey SlepinOwner/ao · (727) 692-1518
Enumeration DateJanuary 8, 2008
Last NPPES UpdateJune 3, 20264 updates tracked since enumeration
NPPES CertifiedJune 3, 2026
✔ NPI 1437334414 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
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.
132 E HOSPITAL DR, Angleton, TX 77515

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Texas Em-i Medical Services Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

60

Medicare enrollment records show 60 clinicians reassign Medicare billing to Texas Em-I Medical Services PA, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Nearest to this location (20)

See all 60
Nurse Practitioner
NPI 1215394234
1108 E MULBERRY ST
Angleton, TX 77515
(832) 656-2561
✔ PECOS✔ Accepts Medicare3.1 mi
Nurse Practitioner
NPI 1336520113
100 MEDICAL DR
Lake Jackson, TX 77566
(979) 297-4411
✔ PECOS11 mi
Nurse Practitioner
NPI 1659620730
6104 WEST OAKS CIRCLE S
Pearland, TX 77584
(254) 681-2227
✔ PECOS✔ Accepts Medicare26 mi
Nurse Practitioner
NPI 1871281543
2600 FM 1764 RD STE 190
La Marque, TX 77568
(281) 866-8964
✔ PECOS✔ Accepts Medicare27 mi
Nurse Practitioner
NPI 1134615461
2240 GULF FWY S FL 4
League City, TX 77573
(832) 505-1234
✔ PECOS✔ Accepts Medicare28 mi
Nurse Practitioner
NPI 1336648229
2240 GULF FWY S FL 4
League City, TX 77573
(832) 505-1234
✔ PECOS✔ Accepts Medicare28 mi
Nurse Practitioner
NPI 1790375756
2240 GULF FWY S
League City, TX 77573
(409) 370-0878
✔ PECOS✔ Accepts Medicare28 mi
Nurse Practitioner
NPI 1528563848
3835 MISTY FALLS LN
Friendswood, TX 77546
(713) 530-9726
✔ PECOS✔ Accepts Medicare28 mi
Nurse Practitioner
NPI 1821422270
2803 NEW ENGLAND CT
Webster, TX 77598
(832) 758-7902
✔ PECOS✔ Accepts Medicare28 mi
Nurse Practitioner
NPI 1689178006
1015 W MEDICAL CENTER BLVD STE 1100
Webster, TX 77598
(281) 316-8888
✔ PECOS✔ Accepts Medicare29 mi
Nurse Practitioner
NPI 1154340982
500 MEDICAL CENTER BLVD
Webster, TX 77598
(281) 338-3708
✔ PECOS✔ Accepts Medicare30 mi
Nurse Practitioner
NPI 1578005302
12114 FAWNWAY DR
Houston, TX 77048
(713) 927-8842
✔ PECOS✔ Accepts Medicare31 mi
Nurse Practitioner
NPI 1861025272
17047 EL CAMINO REAL STE 100
Houston, TX 77058
(713) 422-2920
✔ PECOS✔ Accepts Medicare31 mi
Nurse Practitioner
NPI 1831639814
9809 ROWLETT RD # A SUITE A-1
Houston, TX 77075
(713) 644-1119
✔ PECOS✔ Accepts Medicare32 mi
Nurse Practitioner
NPI 1669911541
901 HARBORSIDE DRIVE
Galveston, TX 77550
(409) 772-1191
✔ PECOS✔ Accepts Medicare33 mi
Nurse Practitioner
NPI 1447776927
5044 CRENSHAW RD
Pasadena, TX 77505
(281) 258-4836
✔ PECOS✔ Accepts Medicare35 mi
Nurse Practitioner
NPI 1265958250
4600 E SAM HOUSTON PKWY S
Pasadena, TX 77505
(713) 378-8923
✔ PECOS✔ Accepts Medicare35 mi
Nurse Practitioner
NPI 1629436936
8333 BRAESMAIN DR APT 1115
Houston, TX 77025
(816) 522-2528
✔ PECOS✔ Accepts Medicare35 mi
Nurse Practitioner
NPI 1265827182
1515 HOLCOMBE BLVD
Houston, TX 77030
(713) 792-6161
✔ PECOS✔ Accepts Medicare36 mi
Nurse Practitioner
NPI 1699981936
6431 FANNIN ST
Houston, TX 77030
(713) 500-0625
✔ PECOS✔ Accepts Medicare36 mi
See all 60 clinicians

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

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 Texas Em-I Medical Services PA's NPI number?

The NPI number for Texas Em-I Medical Services PA is 1437334414. It was assigned to this organization in the NPPES registry on January 8, 2008.

Where is Texas Em-I Medical Services PA located?

Texas Em-I Medical Services PA is located at 132 E Hospital Dr Emergency Department, Angleton, TX 77515. The listed phone number is (954) 939-5000.

What is Texas Em-I Medical Services PA's specialty?

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

Is Texas Em-I Medical Services PA enrolled in Medicare?

Yes. Texas Em-I Medical Services PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Texas Em-I Medical Services PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 60 clinicians, all in Nurse Practitioner, reassign their Medicare billing to Texas Em-I Medical Services PA. A 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 the clinician's services. Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Texas Em-I Medical Services PA accept?

Health plans from Cigna Healthcare and Oscar Insurance Company list Texas Em-I Medical Services PA 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 Texas Em-I Medical Services PA was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.