DR. MARY KATHERINE YOUNGBLOOD (M.D.) – Rheumatology Physician, NPI 1376734731
Rheumatology Physician
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Profile Insights
NPPES metrics only — not quality of care.
449 RHEUMATOLOGY in FL
Provider Addresses for DR. MARY KATHERINE YOUNGBLOOD (M.D.)
1301 2nd Ave SW
Largo, FL 337703120
Phone: (727) 584-7706
Fax: (727) 582-9323
Type: Location
3111 Gundersen Dr
Onalaska, WI 546508447
Phone: (608) 782-7300
Type: Location
1301, 2nd Avenue Southwest, Largo, Pinellas County, Florida, 33770, United States
LARGO, FL 337703120
Phone: (727) 584-7706
Fax: (727) 582-9323
Type: Location
740 S LIMESTONE
LEXINGTON, KY 405363120
Phone: (859) 323-6700
Fax: (859) 257-1331
Type: Location
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: 2025-07-30
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 |
|---|---|---|---|---|
| I20161103001154 | I | Rheumatology | WI | TBD |
| I20230201001337 | I | Rheumatology | KY | TBD |
| I20250730001854 | I | Rheumatology | MN | 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 33770)
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