Megan Obrien, DO
NPI 1659804193 · Diagnostic Radiology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Obrien, DO is a Diagnostic Radiology Physician provider in Saint Louis, MO (NPI 1659804193).
Provider details
- NPI number
- 1659804193
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 2023044613 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,152 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 421 | $8 |
| X-Ray of Chest, 2 Views71046 | 386 | $10 |
| Ct Scan of Chest Without Contrast71250 | 215 | $48 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 215 | $81 |
| Ct Scan of Chest With Contrast71260 | 125 | $51 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 89 | $78 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2017-04-11
- Last updated
- 2025-04-17
Frequently asked questions
- What is Megan Obrien's NPI number?
- Megan Obrien's National Provider Identifier (NPI) is 1659804193, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Obrien's specialty?
- Megan Obrien is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Megan Obrien located?
- Megan Obrien's practice location on file with NPPES is 3015 N Ballas Rd, Saint Louis, MO 63131-2329.
- What is Megan Obrien's phone number?
- The practice phone number listed in the NPPES registry for Megan Obrien is (314) 996-5170.
- Does Megan Obrien accept Medicare?
- Megan Obrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Obrien's NPI active?
- Yes — Megan Obrien's NPI (1659804193) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.