Physician Profile
Stephanie D. Flagg, M.D. practices rheumatology in Bryn Mawr, PA. Stephanie is a 1998 graduate of Perelman School of Med at the University of Pennsylvania. Medicare claims data shows Stephanie provided 118,638 services to 1,426 patients. The services billed most often include 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), injection, golimumab, 1 mg, for intravenous use, and injection, romosozumab-aqqg, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
825 OLD LANCASTER RD SUITE 320
Bryn Mawr, PA 19010
Within Rheumatology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Autoimmune
Bone
Bone Health
Connective Tissue
Genetic & Connective Tissue
Inflammatory
Joints
Nerve & Tendon
Skin & Soft Tissue
Skin & Vascular
Soft Tissue
Spine & Back
Vascular
Most searched procedures
Consultation
Consultations
Diagnostics & Injections
Education & Support
Imaging
Injections
Lab & Diagnostics
Lab Work
Medication Management
Pain Relief
Regenerative Medicine
118,638 services · 1,426 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
96 | More often than most peers in Rheumatology |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
34 | More often than most peers in Rheumatology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
570 | More often than most peers in Rheumatology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
501 | More than most peers in Rheumatology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
132 | As often as other peers in Rheumatology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
77 | As often as other peers in Rheumatology |
| Influenza vaccine, inactivated | Treatment | 90653 |
13 | |
| 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) | Drug given | J0717 |
45,600 | As often as other peers in Rheumatology |
| Injection, golimumab, 1 mg, for intravenous use | Drug given | J1602 |
21,950 | More often than most peers in Rheumatology |
| Injection, romosozumab-aqqg, 1 mg | Drug given | J3111 |
15,961 | As often as other peers in Rheumatology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Stephanie D. Flagg is a rheumatologist in Bryn Mawr, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Rheumatology”.
NPI registry
Stephanie D. Flagg is listed at 825 Old Lancaster Rd Suite 320, Bryn Mawr, PA 19010. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (610) 527-3800. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Stephanie D. Flagg's National Provider Identifier is 1780682815. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Stephanie D. Flagg attended Perelman School of Med at the University of Pennsylvania, graduating in 1998. This comes from the CMS National Downloadable File.
CMS public data
Stephanie D. Flagg has 28 years experience. Calculated from a graduation year of 1998, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Stephanie D. Flagg performs procedures including aspiration and/or injection of fluid from large joint and aspiration and/or injection of fluid from small joint; provides treatments such as administration of chemotherapy into vein, 1 hour or less and injection of drug or substance under skin or into muscle, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Stephanie D. Flagg. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.