DR. MARY JEAN CUAYCONG (MD) – Internal Medicine Physician, NPI 1457681918
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,056 INTERNAL MEDICINE in WA
Provider Addresses for DR. MARY JEAN CUAYCONG (MD)
2321 W DAYTON AIRPORT RD
SHELTON, WA 985846319
Phone: (360) 426-4433
Type: Mailing
PO BOX 649
FORT DEFIANCE, AZ 865040649
Phone: (928) 729-8000
Type: Mailing
CORNER OF ROUTE N12 AND N7
FORT DEFIANCE, AZ 865040649
Phone: (928) 729-8000
Type: Location
1026 A AVE NE
CEDAR RAPIDS, IA 524025036
Phone: (319) 369-8979
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2025-08-19
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20140916001390 | I | Internal Medicine | WA | TBD |
| I20240502003705 | I | Internal Medicine | CA | TBD |
| I20250819000171 | I | Internal Medicine | 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 98584)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | WA | |
| Internal Medicine | NJ | |
| Certified Registered Nurse Anesthetist (Crna) | WA | |
| Certified Registered Nurse Anesthetist (Crna) | WA | |
| - | WA | |
| Internal Medicine | WA | |
| Emergency Medicine | WA | |
| - | WA | |
| Family Practice | WA | |
| H E M A T O L O G Y/ O N C O L O G Y | WI |
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