GUILLERMO ARTURO JR. OBREGON (MD) – Family Medicine Physician, NPI 1033732227
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
612 FAMILY PRACTICE in NH
Provider Addresses for GUILLERMO ARTURO JR. OBREGON (MD)
10006 APPARITIONS DR
LAREDO, TX 780454262
Phone: (603) 957-8855
Type: Mailing
4621 SANTA INEZ LN
LAREDO, TX 780468386
Phone: (956) 771-7613
Type: Mailing
333 BORTHWICK AVE STE 100
PORTSMOUTH, NH 038017128
Phone: (603) 559-4129
Type: Location
100 E ALTON GLOOR BLVD
BROWNSVILLE, TX 785263328
Phone: (956) 350-7000
Type: Location
311 Route 108
Somersworth, NH 038781522
Phone: (603) 749-2346
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $155.
Total Amount is formed as General ($155) + Research ($0) + Ownership ($0) = $155.
Last reported payment date: 2024-11-21 • Largest payer in this snapshot: Baxter Healthcare ($59).
Total Amount
$155
General + Research + Ownership
Payments
5
Total payment records
General Amount
$155
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-21
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Baxter Healthcare | $59 |
| ABBVIE INC. | $48 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $24 |
| Gilead Sciences, Inc. | $24 |
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: 2024-08-13
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20240202003882 | I | Internal Medicine | TX | TBD |
| I20240813000099 | I | Family Practice | NH | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 78045)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine | NY | |
| Internal Medicine | TX | |
| H O S P I T A L I S T | TX | |
| Internal Medicine, Hospitalist, Family Practice | TX | |
| Family Practice | TX | |
| Certified Clinical Nurse Specialist (Cns) | TX | |
| Family Practice | TX | |
| Nephrology, Internal Medicine | TX | |
| Internal Medicine | MI | |
| Internal Medicine | TX |
Reviews
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