Provider Profile
Thomas J. Chang, D.P.M. is a healthcare provider in Santa Rosa, CA specializing in podiatry — foot & ankle surgery. According to Medicare claims data, Thomas cared for 2,275 Medicare patients across 4,124 services. 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, x-ray of foot, minimum of 3 views, and injection, triamcinolone acetonide, not otherwise specified, 10 mg.
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.
208 CONCOURSE BOULEVARD SUITE 1
Santa Rosa, CA 95403
Within Podiatry — Foot & Ankle 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
Arthritis
Bone
Circulation
Deformities
Deformity
Diabetes & circulation
General
Infections
Injuries
Injury
Joints
Lumps & bumps
Lumps & Bumps
Nerve
Pain
Pediatric
Skin & nail
Skin & Nails
Tendon & ligament
Tendonitis
Most searched procedures
Diagnostics
Diagnostics & exams
Diagnostics & fittings
Imaging
Injections
Nail & skin care
Non-Surgical
Skin & Nails
Surgery
Therapy
Wound care
4,124 services · 2,275 patients · 24 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Application of short leg cast | Procedure | 29405 |
97 | More than most peers in Podiatry — Foot & Ankle Surgery |
| Aspiration and/or injection of fluid from medium joint | Procedure | 20605 |
80 | More than most peers in Podiatry — Foot & Ankle Surgery |
| Removal of noncancer thickened skin growth, 1 growth | Procedure | 11055 |
66 | As often as other peers in Podiatry — Foot & Ankle Surgery |
| Removal of noncancer thickened skin growth, 2-4 growths | Procedure | 11056 |
50 | |
| Correction of toe joint deformity | Procedure | 28285 |
42 | More often than most peers in Podiatry — Foot & Ankle Surgery |
| Injection into tendon or ligament | Procedure | 20550 |
34 | More often than most peers in Podiatry — Foot & Ankle Surgery |
| Aspiration and/or injection of fluid from small joint | Procedure | 20600 |
32 | More often than most peers in Podiatry — Foot & Ankle Surgery |
| Removal of fingernails or toenails, 6 or more nails | Procedure | 11721 |
31 | |
| Injection of anesthetic and/or steroid drug into foot nerve | Procedure | 64455 |
29 | More often than most peers in Podiatry — Foot & Ankle Surgery |
| Fusion of big toe at joint with foot | Procedure | 28750 |
18 | More often than most peers in Podiatry — Foot & Ankle Surgery |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Thomas J. Chang is a podiatry in Santa Rosa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Podiatry — Foot & Ankle Surgery”.
NPI registry
Thomas J. Chang is listed at 208 Concourse Boulevard Suite 1, Santa Rosa, CA 95403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (707) 544-3400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Thomas J. Chang's National Provider Identifier is 1841315736. 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
Thomas J. Chang attended Other, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Thomas J. Chang has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Thomas J. Chang performs procedures including application of short leg cast, aspiration and/or injection of fluid from medium joint and removal of noncancer thickened skin growth, 1 growth; reads or performs imaging such as x-ray of foot, minimum of 3 views and x-ray of ankle, minimum of 3 views; provides treatments such as test or measurement for functional capacity, each 15 minutes, 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 Thomas J. Chang. 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.