AHMAD HASSAN (MD) – Internal Medicine Physician, NPI 1992291652
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,474 INTERNAL MEDICINE in OK
Provider Addresses for AHMAD HASSAN (MD)
550 GAGE BLVD STE 101
RICHLAND, WA 993529532
Phone: (509) 473-0637
Fax: (509) 627-2983
Type: Mailing
500 CENTRAL PARK DR APT 815
OKLAHOMA CITY, OK 731051735
Phone: (858) 798-6135
Type: Mailing
1200 CHILDRENS AVE STE 14046
OKLAHOMA CITY, OK 731044637
Phone: (405) 271-4417
Type: Location
2150 Pennsylvania Ave NW
Washington, DC 200373201
Phone: (202) 741-2255
Type: Location
1900 S EADS ST APT 801
ARLINGTON, VA 222023041
Phone: (858) 798-6135
Type: Mailing
2150 PENNSYLVANIA AVE NW
WASHINGTON, DC 200373201
Phone: (202) 741-2255
Type: Location
1100 GOETHALS DR STE E
RICHLAND, WA 993523301
Phone: (509) 942-3095
Fax: (509) 942-3266
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $21.
Total Amount is formed as General ($21) + Research ($0) + Ownership ($0) = $21.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Gilead Sciences, Inc. ($21).
Total Amount
$21
General + Research + Ownership
Payments
1
Total payment records
General Amount
$21
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Gilead Sciences, Inc. | $21 |
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: 2025-08-21
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 |
|---|---|---|---|---|
| I20250821003000 | I | Internal Medicine | WA | 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 99352)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| Medical Oncology, Hematology, Hematology/Oncology, Internal Medicine | WA | |
| - | MO | |
| Hospitalist, Internal Medicine | WA | |
| - | WA | |
| P O D I A T R Y | WA | |
| Hematology/Oncology, Internal Medicine | WA | |
| Nurse Practitioner | KS | |
| Nurse Practitioner | NC | |
| Physician Assistant | WA | |
| Internal Medicine | WA |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.