Michael Obrien, D.O.
NPI 1164496238 · Orthopaedic Surgery Physician · Oklahoma City, OK
Enrolled with Medicare as Practitioner - Sports Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Obrien, D.O. is a Orthopaedic Surgery Physician provider in Oklahoma City, OK (NPI 1164496238).
Provider details
- NPI number
- 1164496238
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 3481 (OK)
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
800 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 | 115 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 114 | $118 |
| X-Ray of Knee, 1-2 Views73560 | 78 | $29 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 71 | $65 |
| X-Ray of Shoulder, Minimum of 2 Views73030 | 66 | $31 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 290 | 74 |
| Cephalexin | 157 | 144 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 99 | 87 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 65 | 60 |
| Clindamycin Hcl | 38 | 33 |
| Celecoxib | 29 | — |
| Etodolac | 20 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$195 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
- 2006-02-15
- Last updated
- 2011-10-26
Frequently asked questions
- What is Michael Obrien's NPI number?
- Michael Obrien's National Provider Identifier (NPI) is 1164496238, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Obrien's specialty?
- Michael Obrien is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Obrien located?
- Michael Obrien's practice location on file with NPPES is 3110 Sw 89th St, Oklahoma City, OK 73159-7920.
- What is Michael Obrien's phone number?
- The practice phone number listed in the NPPES registry for Michael Obrien is (405) 759-2663.
- Does Michael Obrien accept Medicare?
- Michael Obrien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Obrien's NPI active?
- Yes — Michael Obrien's NPI (1164496238) is active in the NPPES registry as of the last update on 2011-10-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.