Christopher O'Brien, M.D.
NPI 1548225154 · Hepatology Physician · Weston, FL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher O'Brien, M.D. is a Hepatology Physician provider in Weston, FL (NPI 1548225154).
Provider details
- NPI number
- 1548225154
- Entity type
- Individual
- Primary specialty
- Hepatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- ME41715 (FL)
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
231 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 78 | $121 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 42 | $149 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 29 | $98 |
| 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 | 29 | $17 |
| Measurement of Liver Stiffness91200 | 23 | $10 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tacrolimus | 204 | 83 |
| Semaglutidebrand: Ozempic | 192 | 43 |
| Rosuvastatin Calcium | 128 | 55 |
| Empagliflozinbrand: Jardiance | 89 | 39 |
| Carvedilol | 76 | 33 |
| Sirolimus | 65 | 26 |
| Tirzepatidebrand: Mounjaro | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$378 across 7 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
- 2006-04-18
- Last updated
- 2024-06-28
- Certified
- 2024-06-28
Frequently asked questions
- What is Christopher O'Brien's NPI number?
- Christopher O'Brien's National Provider Identifier (NPI) is 1548225154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher O'Brien's specialty?
- Christopher O'Brien is listed in the NPPES registry with a primary specialty of Hepatology Physician (Allopathic & Osteopathic Physicians).
- Where is Christopher O'Brien located?
- Christopher O'Brien's practice location on file with NPPES is 3100 Weston Rd, Weston, FL 33331-3602.
- What is Christopher O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Christopher O'Brien is (954) 659-6760.
- Does Christopher O'Brien accept Medicare?
- Christopher O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher O'Brien's NPI active?
- Yes — Christopher O'Brien's NPI (1548225154) is active in the NPPES registry as of the last update on 2024-06-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.