Physician Profile
Jon E. Hammarstedt, MD is a healthcare provider in Boulder, CO specializing in orthopaedic hand surgery. Jon trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2018. Medicare claims data shows Jon provided 264 services to 199 patients. The services billed most often include injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and x-ray of hand, minimum of 3 views.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
4740 PEARL PKWY STE 200
Boulder, CO 80301
Within Hand 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.
Arthritis & Joints
Circulation
Congenital
Fractures & Injuries
Infections
Injuries
Lumps & Bumps
Lumps & Masses
Nails
Nerves
Tendons
Bone surgery
Cyst & Lump Removal
Fracture Repair
Injections
Injections & Therapy
Joint surgery
Joint Surgery
Minor procedures
Nail procedures
Nerve Surgery
Nerve surgery
Pain management
Tendon Surgery
Tendon surgery
Trauma & Reconstruction
Wound repair
264 services · 199 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
14 | Less often than most peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
13 | Less often than most peers in Orthopaedic Hand Surgery |
| X-ray of hand, minimum of 3 views | Imaging | 73130 |
31 | Less often than most peers in Orthopaedic Hand Surgery |
| X-ray of wrist, minimum of 3 views | Imaging | 73110 |
20 | Less often than most peers in Orthopaedic Hand Surgery |
| X-ray of shoulder, minimum of 2 views | Imaging | 73030 |
20 | Less often than most peers in Orthopaedic Hand Surgery |
| Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg | Drug given | J0702 |
61 | Less often than most peers in Orthopaedic Hand Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
52 | Less often than most peers in Orthopaedic Hand Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
27 | Less often than most peers in Orthopaedic Hand 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 |
26 | Less often than most peers in Orthopaedic Hand Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hammarstedt is an orthopaedic hand surgeon in Boulder, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Hand Surgery”.
NPI registry
Dr. Hammarstedt is listed at 4740 Pearl Pkwy Ste 200, Boulder, CO 80301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (303) 607-6363. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Hammarstedt's National Provider Identifier is 1427552355. 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. Hammarstedt attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
Dr. Hammarstedt has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Hammarstedt performs procedures including aspiration and/or injection of fluid from large joint and aspiration and/or injection of fluid from small joint; reads or performs imaging such as x-ray of hand, minimum of 3 views and x-ray of wrist, 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. Hammarstedt. 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.