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Edit this profileAt a glance
- 2321 Harrison Ave, Eureka, CA 95501
About Dr. Rydz
Thomas J. Rydz, M.D. is a healthcare provider in Eureka, CA specializing in surgery. Thomas trained at University of California, Geffen School of Medicine, graduating in 1985. According to Medicare claims data, Thomas cared for 565 Medicare patients across 589 services. The services billed most often include 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, biopsy of large bowel using a flexible endoscope, and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. This provider record is associated with NPI 1184781536.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (707) 445-3660
- Email not available
Practice Locations
2321 HARRISON AVE
Eureka, CA 95501
Conditions Commonly Evaluated or Treated
Within Surgery (Unspecified) generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Breast conditions
Cancer
- Colon cancer
- Esophageal cancer
- Liver cancer
- Neuroendocrine Tumors
- Pancreatic cancer
- Soft-tissue sarcoma
- Stomach cancer
- Thyroid cancer
Colorectal
Digestive
- Abdominal adhesions
- Acid reflux
- Acute pancreatitis
- Bowel obstruction
- Colon polyps
- Diverticulitis
- Gastroparesis
- Peptic ulcer disease
Digestive & blood
Digestive health
- Crohn's disease
- Fecal incontinence
- Perforated bowel
- Severe chronic constipation
- Swallowing difficulties
- Ulcerative colitis
Endocrine
Infections
Lumps & bumps
Lymphatic
Minor surgery
Skin & scars
Skin & soft tissue
Skin cancer
Vascular
Weight & metabolism
Wound care
Wounds
Procedures & services
Most searched procedures
Abdominal
Abdominal surgery
Bariatric
Breast surgery
Cancer
Cancer surgery
Colorectal
- Anal fistula surgery
- Anal Sphincter Repair
- Colon resection
- Hemorrhoid removal
- Ostomy reversal
- Ostomy surgery
- Rectal prolapse repair
- Surgery for chronic anal fissure
Consultations
Diagnostic
Digestive
Digestive health
Endocrine
Infections
Minor surgery
Post-op care
Reconstruction
Skin & soft tissue
- Cyst Removal
- Lipoma removal
- Mole removal
- Pilonidal cyst surgery
- Scar revision surgery
- Skin Tag Removal
Skin cancer
Vascular
Vascular & cancer
Weight loss
Wound care
Wounds
Procedures Most Often Billed to Medicare
589 services · 565 patients · 17 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
70 | More than most peers in Surgery |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
60 | More often than most peers in Surgery |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
35 | More often than most peers in Surgery |
| Insertion of central venous tube with port (5 years or older) | Procedure | 36561 |
23 | More often than most peers in Surgery |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
20 | More often than most peers in Surgery |
| Repair of groin hernia using an endoscope | Procedure | 49650 |
17 | As often as other peers in Surgery |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
17 | As often as other peers in Surgery |
| Repair of groin hernia (5 years or older) | Procedure | 49505 |
13 | Less often than most peers in Surgery |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
22 | More often than most peers in Surgery |
| 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 | More often than most peers in Surgery |
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.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 27 related providers in 4 groups
Other general surgeons in Eureka 3
Same specialty, same city.
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 Thomas J. Rydz?
Thomas J. Rydz is a general surgeon in Eureka, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Surgery”.
NPI registry
What is Thomas J. Rydz's address?
Thomas J. 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 Thomas J. Rydz?
The number on file is (707) 445-3660. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Thomas J. Rydz's NPI number?
Thomas J. 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 Thomas J. Rydz train?
Thomas J. 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 Thomas J. Rydz been practicing?
Thomas J. 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 Thomas J. Rydz perform?
According to Medicare billing data, Thomas J. 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 Thomas J. Rydz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Thomas J. Rydz. If this is you, claiming it is free.
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