DR. WILLIAM A GAMMILL (DO) – Internal Medicine Physician, NPI 1437199908
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,215 INTERNAL MEDICINE in AL
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Provider Addresses for DR. WILLIAM A GAMMILL (DO)
101, East Brunson Street, Enterprise, Coffee County, Alabama, 36330, United States
SUITE 200
ENTERPRISE, AL 363302526
Phone: (334) 393-3686
Fax: (334) 347-4906
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 239 Open Payments records for all available years, with a total value of $3,361.
Total Amount is formed as General ($3,361) + Research ($0) + Ownership ($0) = $3,361.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: ABBVIE INC. ($539).
Total Amount
$3,361
General + Research + Ownership
Payments
239
Total payment records
General Amount
$3,361
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $539 |
| Novo Nordisk Inc | $448 |
| Lilly USA, LLC | $433 |
| GlaxoSmithKline, LLC. | $175 |
| AstraZeneca Pharmaceuticals LP | $170 |
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: 2004-12-27
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 |
|---|---|---|---|---|
| I20041227000067 | I | Internal Medicine | AL | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 1,115 | 474 | $0 |
| 85025 | Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 769 | 441 | $0 |
| 80053 | Blood test, comprehensive group of blood chemicals | 741 | 432 | $0 |
| 80061 | Blood test, lipids (cholesterol and triglycerides) | 715 | 440 | $0 |
| 81003 | Automated urinalysis test | 656 | 397 | $0 |
Insurance plans in this area (ZIP 36330)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | AL | 73630 | X-ray of foot, minimum of 3 views | 16 | 16 |
| INTERNAL MEDICINE | AL | 83036 | Hemoglobin A1C level | 423 | 281 |
| INTERNAL MEDICINE | AL | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 21 | 21 |
| INTERNAL MEDICINE | AL | 93922 | Ultrasound study of arteries of both arms and legs | 12 | 12 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | NE | |
| Nurse Practitioner | AL | |
| Family Practice | AL | |
| - | AL | |
| Internal Medicine | AL | |
| - | AL | |
| Family Practice | AL | |
| Nurse Practitioner | AL | |
| Family Practice | AL | |
| Nurse Practitioner | AL |
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