DR. TIMOTHY PAUL CHAMBERLAIN (MD) – Emergency Medicine Physician, NPI 1487090536
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,050 EMERGENCY MEDICINE in TX
Provider Addresses for DR. TIMOTHY PAUL CHAMBERLAIN (MD)
18780 I-20
CANTON, TX 75103
Phone: (903) 567-4841
Type: Location
8389 S Broadway Ave
Tyler, TX 757035408
Phone: (903) 606-6500
Type: Location
2026 S Jackson St
Jacksonville, TX 757665822
Phone: (903) 586-5678
Type: Location
2122 MANCHESTER EXPY
COLUMBUS, GA 319046878
Phone: (706) 596-4000
Fax: (706) 596-4481
Type: Location
800 E Dawson St
Tyler, TX 757012036
Phone: (903) 606-4262
Type: Location
1509 HWY 19
ATHENS, TX 75751
Phone: (903) 675-1725
Type: Location
5252 W UNIVERSITY DR
DEPT OF EMERGENCY MEDICINE
MCKINNEY, TX 750717822
Phone: (469) 764-5000
Type: Mailing
5201 HARRY HINES BLVD
DALLAS, TX 75235
Phone: (214) 590-8058
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2023-10-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20160825002387 | I | Emergency Medicine | TX | TBD |
| I20190320002220 | I | Emergency Medicine | AL | TBD |
| I20231016002519 | I | Emergency Medicine | GA | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 118 | 118 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 86 | 86 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 64 | 61 | $0 |
| 99291 | Critical care, first 30-74 minutes | 51 | 51 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 30 | 30 | $0 |
Insurance plans in this area (ZIP 75103)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MI | |
| - | OK | |
| Emergency Medicine | TX | |
| Emergency Medicine | TX | |
| - | TX | |
| Emergency Medicine | FL | |
| Emergency Medicine | TX | |
| Emergency Medicine | TX | |
| - | TX | |
| Emergency Medicine | TX |
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