Sean Flynn, D.O.
NPI 1386888121 · Internal Medicine Physician · Havertown, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sean Flynn, D.O. is a Internal Medicine Physician provider in Havertown, PA (NPI 1386888121).
Provider details
- NPI number
- 1386888121
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- OT012983 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,236 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 | 660 | $131 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 217 | $133 |
| Administration of Influenza Virus VaccineG0008 | 91 | $33 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 71 | $63 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $92 |
| Administration of Pneumococcal VaccineG0009 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 162 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 395 | 121 |
| Rosuvastatin Calcium | 387 | 120 |
| Amlodipine Besylate | 337 | 101 |
| Lorazepam | 337 | 71 |
| Lisinopril | 312 | 90 |
| Levothyroxine Sodium | 245 | 61 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (1)
- 4651 W Chester Pike Ste 200Newtown Square, PA 19073Phone: (610) 356-0300
Registry dates
- Enumerated
- 2009-04-23
- Last updated
- 2025-06-09
- Certified
- 2025-06-09
Frequently asked questions
- What is Sean Flynn's NPI number?
- Sean Flynn's National Provider Identifier (NPI) is 1386888121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sean Flynn's specialty?
- Sean Flynn is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sean Flynn located?
- Sean Flynn's practice location on file with NPPES is 525 W Chester Pike Ste 201, Havertown, PA 19083-4540.
- What is Sean Flynn's phone number?
- The practice phone number listed in the NPPES registry for Sean Flynn is (610) 449-9666.
- Does Sean Flynn accept Medicare?
- Sean Flynn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sean Flynn's NPI active?
- Yes — Sean Flynn's NPI (1386888121) is active in the NPPES registry as of the last update on 2025-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.