DR. MARIAM WASHINGTON (DO) – Physical Medicine & Rehabilitation Physician, NPI 1942696737
Physical Medicine & Rehabilitation Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
863 PHYSICAL MEDICINE AND REHABILITATION in TX
Provider Addresses for DR. MARIAM WASHINGTON (DO)
1200 E Savannah Ave Ste 10
McAllen, TX 785031728
Phone: (956) 362-6680
Fax: (956) 362-6688
Type: Location
620 NW 11TH ST STE M201
HERMISTON, OR 978386941
Phone:
Type: Mailing
620 NW 11TH ST STE M103
HERMISTON, OR 978386941
Phone: (541) 667-3832
Fax: (541) 667-3831
Type: Location
PO BOX 749
PHARR, TX 785771614
Phone: (956) 362-6075
Fax: (956) 362-6079
Type: Mailing
2821 MICHAELANGELO DR STE 201
EDINBURG, TX 785391423
Phone: (956) 362-6075
Fax: (956) 362-6079
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 10 Open Payments records for all available years, with a total value of $231.
Total Amount is formed as General ($231) + Research ($0) + Ownership ($0) = $231.
Last reported payment date: 2024-05-15 • Largest payer in this snapshot: Merz Pharmaceuticals, LLC ($90).
Total Amount
$231
General + Research + Ownership
Payments
10
Total payment records
General Amount
$231
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merz Pharmaceuticals, LLC | $90 |
| ABBVIE INC. | $66 |
| Microtransponder, Inc. | $43 |
| SK Life Science, Inc. | $33 |
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: 2020-07-14
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 |
|---|---|---|---|---|
| I20200714000395 | I | Physical Medicine And Rehabilitation | 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 |
|---|---|---|---|---|
| 95886 | Needle measurement of electrical activity in arm or leg muscles, complete study | 106 | 68 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 70 | 70 | $0 |
| 95910 | Nerve conduction, 7-8 studies | 55 | 54 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 36 | 36 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 25 | 20 | $0 |
Insurance plans in this area (ZIP 78503)
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