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Edit this profileAt a glance
- 1310 W Stewart Dr Ste 311, Orange, CA 92868
About Dr. Birnbaum
Peter S. Birnbaum, D.O. INC. practices orthopaedic surgery in Orange, CA. According to Medicare claims data, Peter cared for 316 Medicare patients across 2,779 services. The services billed most often include injection, methylprednisolone acetate, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and imaging guidance for procedure, 60 minutes or less. The provider's National Provider Identifier (NPI) is 1538267042.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (714) 491-3670
- Email not available
Practice Locations
1310 W STEWART DR STE 311
Orange, CA 92868
Conditions Commonly Evaluated or Treated
Within Orthopedic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
Procedures & services
Most searched procedures
Evaluation and nonsurgical
Arthroscopy
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and upper extremity
Injections & Non-Surgical
Injections & pain relief
Joint replacement
- Partial knee replacement
- Reverse shoulder replacement
- Revision joint replacement
- Shoulder replacement
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
Procedures Most Often Billed to Medicare
2,779 services · 316 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
47 | Less often than most peers in Orthopaedic Surgery |
| Injection into tendon or ligament | Procedure | 20550 |
16 | Less often than most peers in Orthopaedic Surgery |
| Imaging guidance for procedure, 60 minutes or less | Imaging | 76000 |
67 | More than most peers in Orthopaedic Surgery |
| Imaging guidance for procedure, 60 minutes or less | Imaging | 76000 |
17 | More than most peers in Orthopaedic Surgery |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
2,280 | As often as other peers in Orthopaedic Surgery |
| Injection, methylprednisolone acetate, 80 mg | Drug given | J1040 |
15 | Less often than most peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
255 | More often than most peers in Orthopaedic Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
53 | As often as other peers in Orthopaedic Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
29 | More often than most peers in Orthopaedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other orthopaedic surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other orthopaedic surgeons in Orange 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1994 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Peter S. Birnbaum?
Peter S. Birnbaum is an orthopaedic surgeon in Orange, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
What is Peter S. Birnbaum's address?
Peter S. Birnbaum is listed at 1310 W Stewart Dr Ste 311, Orange, CA 92868. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Peter S. Birnbaum?
The number on file is (714) 491-3670. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Peter S. Birnbaum's NPI number?
Peter S. Birnbaum's National Provider Identifier is 1538267042. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Peter S. Birnbaum train?
Peter S. Birnbaum attended Other, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Peter S. Birnbaum been practicing?
Peter S. Birnbaum has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What procedures does Peter S. Birnbaum perform?
According to Medicare billing data, Peter S. Birnbaum performs procedures including aspiration and/or injection of fluid from large joint and injection into tendon or ligament; reads or performs imaging such as imaging guidance for procedure, 60 minutes or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Peter S. Birnbaum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Peter S. Birnbaum. If this is you, claiming it is free.
Guide.md
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