Physician Profile
Gregg A. Koldenhoven, MD is a healthcare provider in Longmont, CO specializing in orthopedic surgery. Gregg trained at University of Iowa, Rj & L Carver College of Medicine, graduating in 1993. Gregg is also listed as specializing in orthopaedic adult reconstructive surgery, orthopaedic surgery, and orthopaedic foot & ankle surgery. Medicare claims data shows Gregg provided 5,154 services to 952 patients. The services billed most often include injection, methylprednisolone acetate, 1 mg, hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 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 1396740411.
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.
1610 DRY CREEK DR
Longmont, CO 80503
300 Exempla Cir Ste 200
Lafayette, CO 80026
13559 Huron St Ste 201
Westminster, CO 80234
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
5,154 services · 952 patients · 19 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
39 | As often as other peers in Orthopedic Surgery |
| Application of short leg cast | Procedure | 29405 |
24 | As often as other peers in Orthopedic Surgery |
| Injection into tendon or ligament | Procedure | 20550 |
14 | Less often than most peers in Orthopedic Surgery |
| X-ray of foot, minimum of 3 views | Imaging | 73630 |
243 | More often than most peers in Orthopedic Surgery |
| X-ray of ankle, minimum of 3 views | Imaging | 73610 |
107 | As often as other peers in Orthopedic Surgery |
| X-ray of knee, 3 views | Imaging | 73562 |
103 | More often than most peers in Orthopedic Surgery |
| X-ray of hip, 2-3 views | Imaging | 73502 |
48 | More often than most peers in Orthopedic Surgery |
| Mri scan of leg joint without contrast | Imaging | 73721 |
43 | More often than most peers in Orthopedic Surgery |
| X-ray of heel, minimum of 2 views | Imaging | 73650 |
28 | As often as other peers in Orthopedic Surgery |
| X-ray of foot, 2 views | Imaging | 73620 |
20 | Less often than most peers in Orthopedic Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Koldenhoven is an orthopedic surgeon in Longmont, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopedic Surgery”.
NPI registry
Dr. Koldenhoven is listed at 1610 Dry Creek Dr, Longmont, CO 80503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (303) 772-1600. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Koldenhoven's National Provider Identifier is 1396740411. 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
Dr. Koldenhoven attended University of Iowa, Rj & L Carver College of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Koldenhoven has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Koldenhoven performs procedures including aspiration and/or injection of fluid from large joint, application of short leg cast and injection into tendon or ligament; reads or performs imaging such as x-ray of foot, minimum of 3 views and x-ray of ankle, minimum of 3 views, 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 Dr. Koldenhoven. If this is you, claiming it is free.
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