DIANA MARIA MERCADO-MARMAROSH (M.D.) – Family Medicine Physician, NPI 1619298643
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
8,705 FAMILY PRACTICE in TX
Provider Addresses for DIANA MARIA MERCADO-MARMAROSH (M.D.)
1013A S WELLS ST
EDNA, TX 779574045
Phone: (361) 782-7820
Fax: (361) 782-5627
Type: Location
927 Shaw Ave
Pasadena, TX 775061430
Phone: (713) 982-5900
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 30 Open Payments records for all available years, with a total value of $623.
Total Amount is formed as General ($623) + Research ($0) + Ownership ($0) = $623.
Last reported payment date: 2024-10-09 • Largest payer in this snapshot: Novo Nordisk Inc ($177).
Total Amount
$623
General + Research + Ownership
Payments
30
Total payment records
General Amount
$623
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Novo Nordisk Inc | $177 |
| Lilly USA, LLC | $107 |
| Astellas Pharma US Inc | $85 |
| PFIZER INC. | $83 |
| GlaxoSmithKline, LLC. | $41 |
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: 2014-03-19
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 |
|---|---|---|---|---|
| I20140319001273 | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 77957)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| O B S T E T R I C S/ G Y N E C O L O G Y | TX | |
| Emergency Medicine | TX | |
| Internal Medicine | TX | |
| Family Practice | TX | |
| Nurse Practitioner | TX | |
| Family Practice | TX |
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