DR. STEPHANIE DIANE FLAGG (M.D.) – Rheumatology Physician, NPI 1780682815
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
404 RHEUMATOLOGY in PA
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Provider Addresses for DR. STEPHANIE DIANE FLAGG (M.D.)
Old Lancaster Road, Bryn Mawr, Lower Merion Township, Montgomery County, Pennsylvania, 19041, United States
SUITE 320
BRYN MAWR, PA 190103231
Phone: (610) 527-3800
Fax: (610) 527-2854
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 177 Open Payments records for all available years, with a total value of $3,931.
Total Amount is formed as General ($3,931) + Research ($0) + Ownership ($0) = $3,931.
Last reported payment date: 2024-12-23 • Largest payer in this snapshot: ABBVIE INC. ($507).
Total Amount
$3,931
General + Research + Ownership
Payments
177
Total payment records
General Amount
$3,931
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $507 |
| Amgen Inc. | $470 |
| AstraZeneca Pharmaceuticals LP | $375 |
| Janssen Biotech, Inc. | $184 |
| Novartis Pharmaceuticals Corporation | $146 |
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: 2007-07-18
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20070718000333 | I | Rheumatology | PA | 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 |
|---|---|---|---|---|
| J0717 | Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 48,400 | 16 | $0 |
| J1602 | Injection, golimumab, 1 mg, for intravenous use | 25,350 | 29 | $0 |
| J0129 | Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 15,800 | 29 | $0 |
| J0897 | Injection, denosumab, 1 mg | 11,280 | 119 | $0 |
| J1745 | Injection, infliximab, excludes biosimilar, 10 mg | 8,480 | 30 | $0 |
Insurance plans in this area (ZIP 19010)
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Provider's Procedures
Group practice members
| Name | Specialty | State |
|---|---|---|
| Allergy/Immunology, Pediatric Medicine | PA | |
| H E M A T O L O G Y/ O N C O L O G Y | PA | |
| - | PA | |
| - | PA | |
| Cardiovascular Disease (Cardiology) | PA | |
| Hematology, Internal Medicine | PA | |
| - | PA | |
| D E R M A T O L O G Y | PA | |
| G A S T R O E N T E R O L O G Y | PA | |
| - | PA |
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