DR. TERRY C CHAMBLESS (M.D.,P.A.) – Internal Medicine Physician, NPI 1831188572
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
13,297 INTERNAL MEDICINE in TX
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Provider Addresses for DR. TERRY C CHAMBLESS (M.D.,P.A.)
7200 WYOMING SPRINGS DR STE 1100
ROUND ROCK, TX 786814307
Phone: (512) 244-1683
Fax: (512) 244-2309
Type: Mailing
Lost Springs Cove, The Reserve at Wyoming Springs, Round Rock, Williamson County, Texas, 78781, United States
STE. 1600
ROUND ROCK, TX 786814303
Phone: (512) 244-1683
Fax: (512) 244-2309
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 83 Open Payments records for all available years, with a total value of $983.
Total Amount is formed as General ($983) + Research ($0) + Ownership ($0) = $983.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: Amgen Inc. ($513).
Total Amount
$983
General + Research + Ownership
Payments
83
Total payment records
General Amount
$983
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Amgen Inc. | $513 |
| PFIZER INC. | $65 |
| AstraZeneca Pharmaceuticals LP | $41 |
| Novo Nordisk Inc | $40 |
| Novartis Pharmaceuticals Corporation | $36 |
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: 2011-06-30
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 |
|---|---|---|---|---|
| I20110630000402 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 96372 | Injection of drug or substance under skin or into muscle | 202 | 50 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 111 | 104 | $0 |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 100 | 100 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 93 | 86 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 82 | 43 | $0 |
Insurance plans in this area (ZIP 78681)
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