Physician Profile
Gregg P. Hartman, M.D. is a healthcare provider in Simi Valley, CA specializing in sports medicine. Gregg trained at Tulane University School of Medicine, graduating in 1992. Gregg is also listed as specializing in orthopaedic surgery and orthopaedic sports medicine. According to Medicare claims data, Gregg cared for 1,751 Medicare patients across 10,277 services. The services billed most often include hyaluronan or derivative, durolane, for intra-articular injection, 1 mg, injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg, and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. This provider record is associated with NPI 1336105238.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2525 ERRINGER RD
Simi Valley, CA 93065
137 E Thousand Oaks Blvd
Thousand Oaks, CA 91360
Within Sports Medicine 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
Bone
Bone injuries
Chest and torso
Elbow & Arm
Foot & Ankle
Foot and ankle
Hand & Wrist
Hand and wrist
Hip & Thigh
Joint injuries
Joint pain
Knee
Lower Leg
Muscle and tendon injuries
Nerve pain
Pediatric & Teen Sports
Shoulder
Shoulder injuries
Spine & Back
Sports health
Sprains and tears
Most searched procedures
Bracing and support
Consultations
Diagnostics
Exams & Clearance
Injections
Injections & Pain Relief
Injury management
Pain management
Performance & Assessment
Performance and testing
Recovery therapy
Regenerative & Advanced Therapy
Regenerative medicine
Rehab & Recovery
Rehabilitation
Support & Bracing
10,277 services · 1,751 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
290 | More often than most peers in Sports Medicine |
| Removal of both knee cartilages using an endoscope | Procedure | 29880 |
15 | As often as other peers in Sports Medicine |
| X-ray of knee, 4 or more views | Imaging | 73564 |
181 | More often than most peers in Sports Medicine |
| Mri scan of lower spinal canal without contrast | Imaging | 72148 |
111 | More than most peers in Sports Medicine |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
89 | As often as other peers in Sports Medicine |
| Mri scan of arm joint without contrast | Imaging | 73221 |
69 | More than most peers in Sports Medicine |
| Mri scan of leg joint without contrast | Imaging | 73721 |
68 | More than most peers in Sports Medicine |
| Fluoroscopic guidance for needle placement | Imaging | 77002 |
52 | More often than most peers in Sports Medicine |
| Mri scan of upper spinal canal without contrast | Imaging | 72141 |
50 | More than most peers in Sports Medicine |
| X-ray of hip, 2-3 views | Imaging | 73502 |
31 | As often as other peers in Sports Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Gregg P. Hartman is a sports medicine doctor in Simi Valley, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Sports Medicine”.
NPI registry
Gregg P. Hartman is listed at 2525 Erringer Rd, Simi Valley, CA 93065. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (805) 527-1404. Contact the office directly to confirm availability and scheduling.
NPI registry
Gregg P. Hartman's National Provider Identifier is 1336105238. 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
Gregg P. Hartman attended Tulane University School of Medicine, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
Gregg P. Hartman has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Gregg P. Hartman performs procedures including aspiration and/or injection of fluid from large joint and removal of both knee cartilages using an endoscope; reads or performs imaging such as x-ray of knee, 4 or more views and mri scan of lower spinal canal without contrast, 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 Gregg P. Hartman. If this is you, claiming it is free.
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