Daniel O'Brien, M.D.
NPI 1528421070 · Orthopaedic Surgery Physician · Houston, TX
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Daniel O'Brien, M.D. is a Orthopaedic Surgery Physician provider in Houston, TX (NPI 1528421070).
Provider details
- NPI number
- 1528421070
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
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 tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,187 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 198 | $90 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 192 | $73 |
| X-Ray of Hip, 2-3 Views73502 | 190 | $47 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 184 | $129 |
| X-Ray of Knee, 4 Or More Views73564 | 134 | $47 |
| X-Ray of Knee, 3 Views73562 | 82 | $40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 136 | 59 |
| Meloxicam | 93 | 72 |
| Celecoxib | 31 | 21 |
| Cefadroxil | 30 | 27 |
| Mupirocin | 29 | 29 |
| Tizanidine Hcl | 25 | 13 |
| Tramadol Hcl | 24 | 11 |
| Amoxicillin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$696 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
Additional practice locations (2)
- 9645 Barker Cypress Rd Ste 110Cypress, TX 77433-5292Phone: (281) 955-2650Fax: (281) 955-5875
- 22485 Tomball Pkwy Ste 2100Houston, TX 77070-1560Phone: (281) 955-2650Fax: (288) 195-5587
Registry dates
- Enumerated
- 2016-04-01
- Last updated
- 2022-04-18
- Certified
- 2022-04-18
Frequently asked questions
- What is Daniel O'Brien's NPI number?
- Daniel O'Brien's National Provider Identifier (NPI) is 1528421070, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Daniel O'Brien's specialty?
- Daniel O'Brien is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Daniel O'Brien located?
- Daniel O'Brien's practice location on file with NPPES is 10425 Huffmeister Rd Ste 320, Houston, TX 77065-3429.
- What is Daniel O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Daniel O'Brien is (281) 955-2650.
- Does Daniel O'Brien accept Medicare?
- Daniel 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 Daniel O'Brien's NPI active?
- Yes — Daniel O'Brien's NPI (1528421070) is active in the NPPES registry as of the last update on 2022-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.