DR. STEPHANIE ANDERSON TASSIN M.D.
NPI 1649658907
Emergency Medicine in Fort Sam Houston, TX

Q: What is Stephanie Tassin's NPI number?

The NPI number for Stephanie Tassin is 1649658907. It was assigned to this individual provider in the NPPES registry on May 7, 2015. The provider is also known as Stephanie Nicole Anderson M.D..

Q: What is Stephanie Tassin'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 Stephanie Tassin was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 May 07, 2015PECOS Enrolled

3551 ROGER BROOKE DRIVE, FORT SAM HOUSTON, TX 78234(210) 916-0808 Get Directions Write a Review

NPPES record last updated: August 19, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 19, 2026, Aug 28, 2019, Mar 21, 2017 and 1 more (4 updates tracked since 2015).

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About Dr. Stephanie Anderson Tassin M.d. NPPES

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

DR. STEPHANIE ANDERSON TASSIN M.D. (NPI 1649658907) is an individual emergency medicine provider in Fort Sam Houston, Texas, licensed in Texas (R3763) and active in the NPI registry since May 2015. She is enrolled in Medicare PECOS, is affiliated with Ascension Providence, and maintains a secondary practice location in Westminster.

NPPES Registry Identity

NPI1649658907

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameDR. STEPHANIE ANDERSON TASSINCredential: M.D.

Location Address3551 ROGER BROOKE DRIVEFort Sam Houston, TX 78234

Mailing Address3551 Roger Brooke DrFort Sam Houston, TX 78234-4504 · (210) 916-0808

Phone(210) 916-0808

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2015

Enumeration DateMay 7, 2015

Last NPPES UpdateAugust 19, 20264 updates tracked since enumeration

NPPES CertifiedAugust 19, 2026

✔ NPI 1649658907 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 · R3763✔ Licensed in CO · DR.0076855

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 ListedGeneral PracticeTaxonomy 208D00000X · License 29772 (NE)

3551 ROGER BROOKE DRIVE, Fort Sam Houston, TX 78234

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Other Names 1

Former Name (1)Stephanie Nicole Anderson M.d.

Secondary Practice Location 1

Location 114300 Orchard PkwyWestminster, CO 80023-9206 · Phone (303) 627-0030

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, Harbor Health and more.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. Stephanie Anderson Tassin M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2466789748

PECOS Enrollment IDI20190808002918, I20260508003391

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

Medicare enrollment records show Stephanie Tassin reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Victoria Emergency Partners LLC

60 mi

Emergency Medicine

1110 N SARAH DEWITT DR
Gonzales, TX 78629

Reassigned Medicare billing, Texas enrollment
430 clinicians in this Medicare group

NPI 1164770996 (830) 672-7581

Travis County Emergency Physicians PA

71 mi

Emergency Medicine

1201 W 38TH ST
Austin, TX 78705

Reassigned Medicare billing, Texas enrollment
1,511 clinicians in this Medicare group

NPI 1962440933 (330) 493-4443

Legacy Urgent Care, PA

271 mi

Urgent Care

9205 LEGACY DR
Frisco, TX 75033

Reassigned Medicare billing, Texas enrollment
279 clinicians in this Medicare group

NPI 1568622272 (972) 668-6020

Usacs Of Colorado Inc

702 mi

Emergency Medicine

1008 MINNEQUA AVE
Pueblo, CO 81004

Reassigned Medicare billing, Colorado enrollment
468 clinicians in this Medicare group

NPI 1932735321 (330) 493-4443

Usacs Community Emergency Services Of Colorado, Inc.

785 mi

Emergency Medicine

9949 S OSWEGO ST
Parker, CO 80134

Reassigned Medicare billing, Colorado enrollment
352 clinicians in this Medicare group

NPI 1376178863 (330) 493-4443

Premier Emergency Services, Inc

808 mi

Emergency Medicine

2551 W 84TH AVE
Westminster, CO 80031

Reassigned Medicare billing, Colorado enrollment
130 clinicians in this Medicare group

NPI 1457755688 (330) 493-4443

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 5

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.

282 services274 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.

227 services202 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.

98 services90 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.

62 services61 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

13 services11 patients

Hospital Affiliations CMS Care Compare

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

Ascension Providence

Acute Care Hospitals · Waco, TX

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450042

Location6901 Medical ParkwayWaco, TX 76712 · Mc Lennan County

Emergency services Birthing friendly

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.

DR. BRYAN CHRISTOPHER RAMSEY MD

Internal Medicine (Interventional Cardiology)

3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234

Bexar County (210) 916-0935

NATALIE M PEREZ RODRIGUEZ

Student in an Organized Health Care Education/Training Program

3551 ROGER BROOKE DRIVE, MCMR - SRT - T
JBSA FT. SAM HOUSTON, TX 78234

Bexar County (210) 916-5658

DR. CORY MADIGAN MD

Internal Medicine (Clinical Cardiac Electrophysiology)

3551 ROGER BROOKE DRIVE, MCHE-ZDM-C CARDIOLOGY SERVICE
JBSA FORT SAM HOUSTON, TX 78234

Bexar County (210) 916-0935

DANIELLE MARIE SANTOS MD

Anesthesiology

3551 ROGER BROOKE DRIVE, MCHE/ME
JBSA FORT SAM HOUSTON, TX 78234

Bexar County (210) 916-5545

DR. KYLE RUBEN WALKER D.O.

Radiology (Diagnostic Radiology)

3551 ROGER BROOKE DRIVE
JBSA FORT SAM HOUSTON, TX 78234

Bexar County (210) 916-7890

AUSTIN ROBERT BALTENSPERGER M.D.

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

3551 ROGER BROOKE DRIVE, SAMMC
JBSA FORT SAM HOUSTON, TX 78234

Bexar County (210) 916-9928

KATHRYN C HOUHOULIS CRNA

Nurse Anesthetist, Certified Registered

3551 ROGER BROOKE DRIVE, USAGPAN MCHE-ZSD
JBSA-FORT SAM HOUSTON, TX 78234

Bexar County (210) 539-9204

MRS. ELLEN DAMON ZURAWSKI PA-C

Physician Assistant

3551 ROGER BROOKE DRIVE, DEPARTMENT OF EMERGENCY MEDICINE
FORT SAM HOUSTON, TX 78234

Bexar County (210) 916-5551

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 Stephanie Tassin's NPI number?

The NPI number for Stephanie Tassin is 1649658907. It was assigned to this individual provider in the NPPES registry on May 7, 2015. The provider is also known as Stephanie Nicole Anderson M.D..

Where is Stephanie Tassin located?

Stephanie Tassin practices at 3551 Roger Brooke Drive, Fort Sam Houston, TX 78234. The listed phone number is (210) 916-0808.

What is Stephanie Tassin's specialty?

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

Is Stephanie Tassin enrolled in Medicare?

Yes. Stephanie Tassin is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stephanie Tassin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Tassin reassigns Medicare benefits to 6 organizations: Victoria Emergency Partners LLC (Gonzales, TX), Travis County Emergency Physicians PA (Austin, TX), Legacy Urgent Care, PA (Frisco, TX), Usacs Of Colorado Inc (Pueblo, CO), Usacs Community Emergency Services Of Colorado, Inc. (Parker, CO) and 1 more organization, listed in the Medicare section above. 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 Stephanie Tassin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stephanie Tassin accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Harbor Health, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Stephanie Tassin 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 Stephanie Tassin affiliated with any hospitals?

According to CMS data, Stephanie Tassin is affiliated with Ascension Providence.

When was this NPI record last updated?

The NPPES record for Stephanie Tassin was last updated on August 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.