Physician Profile
Merlin J. Hamer, M.D. practices orthopaedic hand surgery in La Jolla, CA. Merlin is a 2002 graduate of Georgetown University School of Medicine. Merlin is also listed as specializing in orthopaedic surgery. According to Medicare claims data, Merlin cared for 2,469 Medicare patients across 3,786 services. The services billed most often include injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg, injection into tendon or ligament, 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.
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.
10666 N. TORREY PINES RD.
La Jolla, CA 92037
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
3,786 services · 2,469 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection into tendon or ligament | Procedure | 20550 |
492 | More than most peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
110 | More often than most peers in Orthopaedic Hand Surgery |
| Release of wrist ligament using an endoscope | Procedure | 29848 |
91 | More than most peers in Orthopaedic Hand Surgery |
| Incision of tendon covering of finger | Procedure | 26055 |
78 | More than most peers in Orthopaedic Hand Surgery |
| Injection of carpal tunnel | Procedure | 20526 |
49 | More often than most peers in Orthopaedic Hand Surgery |
| Application of elbow to finger cast | Procedure | 29075 |
28 | More often than most peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
25 | As often as other peers in Orthopaedic Hand Surgery |
| Application of nonmoveable forearm to hand splint | Procedure | 29125 |
15 | Less often than most peers in Orthopaedic Hand Surgery |
| Incision or the tendon covering on the top side of the wrist | Procedure | 25000 |
13 | Less often than most peers in Orthopaedic Hand Surgery |
| Aspiration and/or injection of cyst of tendon | Procedure | 20612 |
13 | 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.
Merlin J. Hamer is an orthopaedic hand surgeon in La Jolla, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Orthopaedic Hand Surgery”.
NPI registry
Merlin J. Hamer is listed at 10666 N. Torrey Pines Rd., La Jolla, CA 92037. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (858) 554-7989. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Merlin J. Hamer's National Provider Identifier is 1124233820. 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
Merlin J. Hamer attended Georgetown University School of Medicine, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
Merlin J. Hamer has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Merlin J. Hamer performs procedures including injection into tendon or ligament, aspiration and/or injection of fluid from small joint and release of wrist ligament using an endoscope; reads or performs imaging such as imaging guidance for procedure, 60 minutes or less; provides treatments such as routine electrocardiogram using at least 12 leads with tracing, 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 Merlin J. Hamer. 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.