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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

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: August 23, 2026.

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

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, Molina Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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
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 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.

What insurance does Stephanie Tassin accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Molina Healthcare, 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 9 days 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.