DR. JUAN DIEGO PALACIOS MERCHAN (M.D) – Endocrinology, Diabetes & Metabolism Physician, NPI 1811284078
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
660 ENDOCRINOLOGY in TX
Provider Addresses for DR. JUAN DIEGO PALACIOS MERCHAN (M.D)
PO BOX 2646
MCALLEN, TX 785022646
Phone: (956) 362-5650
Fax: (956) 362-2574
Type: Mailing
2121 E Griffin Pkwy Ste 17
Mission, TX 785726054
Phone: (956) 362-5650
Fax: (956) 362-2574
Type: Location
2609 MICHAELANGELO DR
EDINBURG, TX 785391417
Phone: (956) 362-5650
Fax: (956) 362-2574
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $147.
Total Amount is formed as General ($147) + Research ($0) + Ownership ($0) = $147.
Last reported payment date: 2024-12-06 • Largest payer in this snapshot: Dexcom, Inc. ($98).
Total Amount
$147
General + Research + Ownership
Payments
4
Total payment records
General Amount
$147
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-06
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Dexcom, Inc. | $98 |
| Tandem Diabetes Care, Inc. | $29 |
| Novo Nordisk Inc | $20 |
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: 2017-03-15
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 |
|---|---|---|---|---|
| I20170315001150 | I | Endocrinology | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 338 | 188 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 123 | 91 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 53 | 53 | $0 |
Insurance plans in this area (ZIP 78502)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| E N D O C R I N O L O G Y | TX | |
| E N D O C R I N O L O G Y | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| Nurse Practitioner | TX | |
| Endocrinology, Internal Medicine | TX | |
| Endocrinology, Internal Medicine | TX |
Reviews
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