Darren Spearman, M.D.
NPI 1851323034 · Gastroenterology Physician · Live Oak, TX
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Darren Spearman, M.D. is a Gastroenterology Physician provider in Live Oak, TX (NPI 1851323034).
Provider details
- NPI number
- 1851323034
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- Q9519 (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
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
825 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) |
|---|---|---|
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 203 | $236 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 152 | $120 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 134 | $99 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 129 | $158 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 48 | $86 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 252 | 84 |
| Pantoprazole Sodium | 92 | 33 |
| Peg3350/Sod Sul/Nacl/Kcl/Asb/Cbrand: Plenvu | 61 | 59 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 44 | 43 |
| Linaclotidebrand: Linzess | 38 | 12 |
| Sod Picosulf/Mag Ox/Citric Acbrand: Clenpiq | 36 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,793 across 106 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 (3)
- 1 Jarrett White RdDept of Medicine- GastroenterologyTripler Army Medical Center, HI 96859-5001Phone: (808) 433-1077
- 5223 Hamilton Wolfe RdSan Antonio, TX 78229-4463Phone: (210) 614-1234Fax: (210) 614-0952
- 855 Proton RdSan Antonio, TX 78258-4203Phone: (210) 614-1234Fax: (210) 614-0952
Registry dates
- Enumerated
- 2006-07-07
- Last updated
- 2018-03-17
Frequently asked questions
- What is Darren Spearman's NPI number?
- Darren Spearman's National Provider Identifier (NPI) is 1851323034, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Darren Spearman's specialty?
- Darren Spearman is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Darren Spearman located?
- Darren Spearman's practice location on file with NPPES is 12850 Toepperwein Rd, Live Oak, TX 78233-4115.
- What is Darren Spearman's phone number?
- The practice phone number listed in the NPPES registry for Darren Spearman is (210) 614-1234.
- Does Darren Spearman accept Medicare?
- Darren Spearman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Darren Spearman's NPI active?
- Yes — Darren Spearman's NPI (1851323034) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.