Susan Boullioun, MD
NPI 1528148889 · Family Medicine Physician · Seguin, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Susan Boullioun, MD is a Family Medicine Physician provider in Seguin, TX (NPI 1528148889).
Provider details
- NPI number
- 1528148889
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- K2312 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
530 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 338 | $122 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 63 | $122 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 35 | $87 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 29 | $35 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 18 | $160 |
| Urinalysis, Manual Test81002 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 421 | 99 |
| Atorvastatin Calcium | 352 | 87 |
| Omeprazole | 258 | 57 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 257 | 27 |
| Rosuvastatin Calcium | 227 | 53 |
| Amlodipine Besylate | 199 | 46 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$28 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-17
- Last updated
- 2016-04-01
Frequently asked questions
- What is Susan Boullioun's NPI number?
- Susan Boullioun's National Provider Identifier (NPI) is 1528148889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Susan Boullioun's specialty?
- Susan Boullioun is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Susan Boullioun located?
- Susan Boullioun's practice location on file with NPPES is 113 E Cedar St, Seguin, TX 78155-3709.
- What is Susan Boullioun's phone number?
- The practice phone number listed in the NPPES registry for Susan Boullioun is (830) 303-3500.
- Does Susan Boullioun accept Medicare?
- Susan Boullioun is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Susan Boullioun's NPI active?
- Yes — Susan Boullioun's NPI (1528148889) is active in the NPPES registry as of the last update on 2016-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.