DR. MICHAEL JOSEPH HORWATH (MD) – Endocrinology, Diabetes & Metabolism Physician, NPI 1861427932
Endocrinology, Diabetes & Metabolism Physician
Main info
Doctor Profile
Contacts
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. MICHAEL JOSEPH HORWATH (MD)
1800 Town Center Dr
#216
Reston, VA 201903238
Phone: (703) 978-1196
Type: Location
6035, Burke Centre Parkway, Burke Pond, Burke Centre, Fairfax County, Virginia, 22015, United States
#390
BURKE, VA 220153750
Phone: (703) 709-6116
Fax: (703) 978-7762
Type: Mailing
6355 WALKER LN STE 405
ALEXANDRIA, VA 223103238
Phone: (703) 719-6715
Fax: (703) 719-5762
Type: Location
1800, Town Center Drive, Reston, Virginia, 20190, United States
#216
RESTON, VA 201903238
Phone: (703) 978-1196
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
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: 2015-11-03
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Past revalidation due date
Earliest CMS due date was 2023-11-30 (923 days ago).
Enrollment records
2
Earliest due date
2023-11-30
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 |
|---|---|---|---|---|
| I20081126000010 | I | Endocrinology | DC | TBD |
| I20151103000791 | I | Endocrinology | VA | 2023-11-30 |
What to do next
- Verify current status on the CMS Revalidation Lookup Tool immediately.
- Complete revalidation in PECOS or contact your Medicare Administrative Contractor (MAC).
- Overdue revalidation can lead to deactivation of Medicare billing privileges.
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 20190)
Loading plans...
Group practice members
| Name | Specialty | State |
|---|---|---|
| N E U R O L O G Y | HI | |
| H E M A T O L O G Y | WA | |
| - | VIR | |
| - | IL | |
| Orthopedic Surgery | VA | |
| - | VA | |
| Diagnostic Radiology | VA | |
| General Surgery | CT | |
| - | VA | |
| N E U R O S U R G E R Y | VA |
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.