Physician Profile
Based in Tarzana, CA, Erik N. Zeegen, M.D. is listed in the NPI registry under orthopaedic surgery. Erik graduated from University of California, Geffen School of Medicine in 1996. Erik is also listed as specializing in orthopaedic adult reconstructive surgery. Medicare claims data shows Erik provided 1,783 services to 1,180 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, injection, methylprednisolone acetate, 1 mg, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
5525 ETIWANDA STE 324
Tarzana, CA 91436
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.
Most searched conditions
Elbow, hand, and wrist
Foot and ankle
Hip
Shoulder
Sports and soft tissue
Trauma and bone
Foot & Ankle
Spine
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
Knee
Shoulder surgery
Trauma & Fractures
Trauma and fixation
1,783 services · 1,180 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
132 | More than most peers in Orthopaedic Surgery |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
78 | More than most peers in Orthopaedic Surgery |
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
67 | As often as other peers in Orthopaedic Surgery |
| Revision of thigh and lower leg bone components of total knee joint prosthesis | Procedure | 27487 |
14 | As often as other peers in Orthopaedic Surgery |
| Insertion of drug delivery implant into tissue | Procedure | 11981 |
14 | Less often than most peers in Orthopaedic Surgery |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
424 | Less often than most peers in Orthopaedic Surgery |
| Hyaluronan or derivative, monovisc, for intra-articular injection, per dose | Drug given | J7327 |
18 | Less often than most peers in Orthopaedic Surgery |
| Hyaluronan or derivative, gel-one, for intra-articular injection, per dose | Drug given | J7326 |
17 | Less often than most peers in Orthopaedic Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
689 | More 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 |
222 | More than most peers in Orthopaedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Erik N. Zeegen is an orthopaedic surgeon in Tarzana, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Surgery”.
NPI registry
Erik N. Zeegen is listed at 5525 Etiwanda Ste 324, Tarzana, CA 91436. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (818) 708-9090. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Erik N. Zeegen's National Provider Identifier is 1427039437. 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
Erik N. Zeegen attended University of California, Geffen School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
Erik N. Zeegen has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Erik N. Zeegen performs procedures including replacement of knee joint, both sides of knee, replacement of thigh bone and hip joint with prosthesis and aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Erik N. Zeegen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.