DR. GREGG A WORKMAN (MD) – Family Medicine Physician, NPI 1447223516
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,705 FAMILY PRACTICE in TX
Loading map...
Provider Addresses for DR. GREGG A WORKMAN (MD)
601, Medical Parkway, Brenham, Washington County, Texas, 77833, United States
SUITE D
BRENHAM, TX 778335430
Phone: (979) 836-2822
Fax: (979) 836-1943
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $97.
Total Amount is formed as General ($97) + Research ($0) + Ownership ($0) = $97.
Last reported payment date: 2024-11-20 • Largest payer in this snapshot: Lilly USA, LLC ($32).
Total Amount
$97
General + Research + Ownership
Payments
6
Total payment records
General Amount
$97
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lilly USA, LLC | $32 |
| Verrica Pharmaceuticals Inc. | $17 |
| AstraZeneca Pharmaceuticals LP | $17 |
| PFIZER INC. | $17 |
| Cranial Technologies, Inc | $14 |
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: 2004-05-11
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 |
|---|---|---|---|---|
| I20040511000049 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 169 | 75 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 80 | 72 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 62 | 56 | $0 |
| 81003 | Automated urinalysis test | 23 | 21 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 19 | 17 | $0 |
Insurance plans in this area (ZIP 77833)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice, Obstetrics/Gynecology | TX | |
| Nurse Practitioner | TX | |
| Obstetrics/Gynecology, Family Practice | TX | |
| Family Practice | TX | |
| - | TX |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.