Derrick Wansom, MD
NPI 1306124912 · Pain Medicine (Anesthesiology) Physician · San Marcos, TX
Enrolled with Medicare as Practitioner - Pain Management · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derrick Wansom, MD is a Pain Medicine (Anesthesiology) Physician provider in San Marcos, TX (NPI 1306124912).
Provider details
- NPI number
- 1306124912
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- Q9077 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,269 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 | 489 | $121 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 300 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 70 | $157 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Single Level64493 | 46 | $243 |
| Injection of Lower Or Sacral Spine Facet Joint Using Imaging Guidance, Second Level64494 | 44 | $129 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 113 | 27 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 111 | 13 |
| Tramadol Hcl | 63 | 13 |
| Tizanidine Hcl | 61 | 19 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 41 | — |
| Cyclobenzaprine Hcl | 34 | — |
| Meloxicam | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,423 across 35 records (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
Additional practice locations (1)
- 2115 Stephens Pl Ste 1400New Braunfels, TX 78130-2159Phone: (830) 715-0538Fax: (833) 925-2433
Registry dates
- Enumerated
- 2011-07-31
- Last updated
- 2022-11-21
- Certified
- 2022-11-21
Frequently asked questions
- What is Derrick Wansom's NPI number?
- Derrick Wansom's National Provider Identifier (NPI) is 1306124912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derrick Wansom's specialty?
- Derrick Wansom is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Derrick Wansom located?
- Derrick Wansom's practice location on file with NPPES is 1320 Wonder World Dr Ste 106, San Marcos, TX 78666-7558.
- What is Derrick Wansom's phone number?
- The practice phone number listed in the NPPES registry for Derrick Wansom is (512) 851-1165.
- Does Derrick Wansom accept Medicare?
- Derrick Wansom is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derrick Wansom's NPI active?
- Yes — Derrick Wansom's NPI (1306124912) is active in the NPPES registry as of the last update on 2022-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.