DR. DARREN CHRISTOPHER SPEARMAN (M.D.) – Gastroenterology Physician, NPI 1851323034
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
70 GASTROENTEROLOGY in HI
Provider Addresses for DR. DARREN CHRISTOPHER SPEARMAN (M.D.)
1 Jarrett White Rd
Dept of Medicine- Gastroenterology
Tripler Army Medical Center, HI 968595001
Phone: (808) 433-1077
Type: Location
5223 Hamilton Wolfe Rd
San Antonio, TX 782294463
Phone: (210) 614-1234
Fax: (210) 614-0952
Type: Location
855 Proton Rd
San Antonio, TX 782584203
Phone: (210) 614-1234
Fax: (210) 614-0952
Type: Location
8415 DATAPOINT DR STE 700
SAN ANTONIO, TX 782293327
Phone: (210) 614-1234
Fax: (210) 614-0952
Type: Mailing
Toepperwein Road, San Antonio, Bexar County, Texas, 78233, United States
LIVE OAK, TX 782334115
Phone: (210) 614-1234
Fax: (210) 614-0952
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 193 Open Payments records for all available years, with a total value of $3,080.
Total Amount is formed as General ($3,080) + Research ($0) + Ownership ($0) = $3,080.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: ABBVIE INC. ($1,018).
Total Amount
$3,080
General + Research + Ownership
Payments
193
Total payment records
General Amount
$3,080
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
2
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,018 |
| Janssen Biotech, Inc. | $313 |
| Gilead Sciences, Inc. | $232 |
| Celgene Corporation | $197 |
| Takeda Pharmaceuticals U.S.A., Inc. | $133 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-07-11
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170711001043 | I | Gastroenterology | TX | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 179 | 176 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 151 | 129 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 96 | 96 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 95 | 95 | $0 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 41 | 41 | $0 |
Insurance plans in this area (ZIP 96859)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | TX | |
| Gastroenterology, Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Internal Medicine, Gastroenterology | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| Gastroenterology, Internal Medicine | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | TX | |
| G A S T R O E N T E R O L O G Y | LA | |
| Gastroenterology, Internal Medicine | TX |
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