Physician Profile
Unclaimed ProfileAbout RYDZ
Thomas Joseph Rydz, M.D. is a healthcare provider in Eureka, CA specializing in general surgery. Thomas trained at University of California, Geffen School of Medicine, graduating in 1985. Thomas is also listed as specializing in surgery. According to Medicare claims data, Thomas cared for 565 Medicare patients across 589 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (707) 445-3660
- Email not available
Practice Locations
2321 HARRISON AVE
Eureka, CA 95501
Procedures Most Often Billed to Medicare
589 services · 565 patients · 17 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
70 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
60 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
35 |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
23 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
20 |
| Repair of groin hernia using an endoscope | Procedure | 49650 |
17 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
17 |
| Repair of groin hernia (5 years or older) | Procedure | 49505 |
13 |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
22 |
| Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monit | Billing code | G0500 |
71 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other general surgeons at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other general surgeons in Eureka 3
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of California, Geffen School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at University of California, Geffen School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Rydz?
Dr. Rydz is a general surgeon in Eureka, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. Rydz's address?
Dr. Rydz is listed at 2321 HARRISON AVE, Eureka, CA 95501. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Rydz?
The number on file is (707) 445-3660. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Rydz's NPI number?
Dr. Rydz's National Provider Identifier is 1184781536. 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
Where did Dr. Rydz train?
Dr. Rydz attended University of California, Geffen School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Rydz been practicing?
Dr. Rydz has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Rydz perform?
According to Medicare billing data, Dr. Rydz performs procedures including biopsy of large bowel using a flexible endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; reads or performs imaging such as fluoroscopic guidance for insertion or removal of central vein access device, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Rydz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rydz. If this is you, claiming it is free.
Guide.md
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.