Stephanie Flagg, M.D.
NPI 1780682815 · Rheumatology Physician · Bryn Mawr, PA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Flagg, M.D. is a Rheumatology Physician provider in Bryn Mawr, PA (NPI 1780682815).
Provider details
- NPI number
- 1780682815
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD073853L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,502 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 652 | $130 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 570 | $133 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 501 | $15 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 202 | $93 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 174 | $17 |
| Administration of Chemotherapy Into Vein, Each Additional Hour |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 37 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydroxychloroquine Sulfate | 449 | 123 |
| Methotrexate Sodiumbrand: Methotrexate | 271 | 80 |
| Prednisone | 176 | 62 |
| Leflunomide | 168 | 49 |
| Duloxetine Hcl | 134 | 40 |
| Tramadol Hcl | 116 | 34 |
| Methylprednisolone | 101 | 61 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,092 across 90 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-12
- Last updated
- 2017-04-05
Frequently asked questions
- What is Stephanie Flagg's NPI number?
- Stephanie Flagg's National Provider Identifier (NPI) is 1780682815, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Flagg's specialty?
- Stephanie Flagg is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephanie Flagg located?
- Stephanie Flagg's practice location on file with NPPES is 825 Old Lancaster Rd, Bryn Mawr, PA 19010-3231.
- What is Stephanie Flagg's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Flagg is (610) 527-3800.
- Does Stephanie Flagg accept Medicare?
- Stephanie Flagg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Flagg's NPI active?
- Yes — Stephanie Flagg's NPI (1780682815) is active in the NPPES registry as of the last update on 2017-04-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.