Dr. Thomas Joseph Rydz, MD
- Medicare services, 2024
- 589
- Medicare patients, 2024
- 341
- Part D claims, 2024
- 132
- Hospital affiliations
- 2
- Industry payments
- $796
- Practice address
- 3300 Renner Drive, Fortuna, CA 95540
- Practice phone
- Call (707) 445-8121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rydz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Thomas Joseph Rydz is a general surgeon in Fortuna, California
Dr. Rydz practices at Providence Redwood Memorial Hospital in Fortuna, California, part of Providence Health & Services.
Dr. Rydz's NPI, 1184781536, was assigned on January 3, 2007. Dr. Rydz graduated from David Geffen School of Medicine at UCLA in 1985. Dr. Rydz holds California license G71695.
- NPI
- 1184781536NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9032280375
- NPI enumeration date
- January 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 445-8121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Joseph Rydz practices at Providence Redwood Memorial Hospital in Fortuna, California
Dr. Rydz's primary practice is Providence Redwood Memorial Hospital, at 3300 Renner Drive, Fortuna, CA 95540 in Humboldt County. The practice phone is (707) 445-8121.
- Providence Redwood Memorial Hospital3300 Renner Drive, Fortuna, CA 95540 · Humboldt CountyPhone(707) 445-8121
Source: Dmand AI Affiliation Data
Dr. Thomas Joseph Rydz is affiliated with 4 sites of care and 2 medical groups
Dr. Rydz's primary practice is Providence Redwood Memorial Hospital in Fortuna, California, part of Providence Health & Services. Dr. Rydz is also affiliated with Providence St. Joseph Hospital Eureka. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Rydz to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Joseph Rydz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rydz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Redwood Memorial Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Thomas Joseph Rydz is one of 2,926 general surgeons in California
Surgery is Dr. Rydz's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Rydz is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Rydz's licenses on file in 2 states: California and Iowa.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Iowa license
Clinical focus
Dmand AI lists abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, bladder removal, cancerous skin growth removal, colonoscopy, colon removal, esophagus, stomach, or upper small intestine surgery and gallbladder removal among the conditions Dr. Rydz treats.
General surgeons near Dr. Rydz
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Thomas Joseph Rydz billed Medicare for 589 services in 2024
CMS data shows 589 Medicare services from Dr. Rydz across 17 procedure codes in 2024, for 341 Medicare patients. Medicare paid $64,302 for them.
Dr. Rydz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2212024: 25515%
- Office and hospital visits
- 2023: 1862024: 1832%
- Other services
- 2023: 1072024: 12921%
- Imaging
- 2023: 122024: 2283%
Where Dr. Rydz's Medicare services took place, 2024
- In an office18331%
- In a facility40669%
Dr. Rydz compared with the California median for general surgeons, 2024
- Dr. Rydz
- California median
- Medicare services
- 589vs 1663.5 times
- Medicare patients
- 341vs 1212.8 times
- Part D claims
- 83vs 342.4 times
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Rydz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Rydz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Rydz and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Joseph Rydz treated 341 Medicare patients in 2024, average age 72
CMS counts 341 Medicare patients who saw Dr. Rydz in 2024. The largest group is 65 to 74, with 200 patients. 65% of them have high blood pressure, and 65% have high cholesterol. 28% are also on Medicaid. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rydz's median patient age at 67, with 53% women.
Dr. Rydz's Medicare patients by age, 2024
Dr. Rydz's Medicare patients by sex, 2024
- Women15646%
- Men18554%
Chronic conditions among Dr. Rydz's Medicare patients, 2024
- High blood pressure65%
- High cholesterol65%
- Arthritis38%
- Anxiety25%
- Cancer24%
- Mood disorders23%
- Diabetes20%
- Depression18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rydz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Joseph Rydz wrote 132 Medicare Part D claims in 2024
In 2024, Dr. Rydz wrote 132 Medicare Part D claims for 74 patients. 92% of them were for generic drugs. CMS names the drug for 83 of them, across 4 drugs with 11 or more claims each, at $788 in total drug cost. In 2023, CMS named 62 claims across 2 drugs.
Dr. Rydz's Part D claims by kind of drug, 2024
- Generic122 claims92%
- Brand-name and other10 claims8%
Dr. Rydz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Rydz's Part D claims, 2024
- Opioids14%18 of 132 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 622024: 8334%
Drugs named by CMS: 4 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Thomas Joseph Rydz ranks in the 88th percentile for colonoscopy in Medicare
Dr. Rydz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 143 procedures of colonoscopy by Dr. Rydz, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Rydz ranks in Medicare procedure volume
- Colonoscopy
- 88th percentile143 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 80th percentile118 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Thomas Joseph Rydz received $796 in industry payments from 2016 to 2023
CMS Open Payments shows 10 general payments to Dr. Rydz from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 52% of the total. C. R. Bard, Inc. & Subsidiaries paid the most, $369.
General payments to Dr. Rydz by program year, 2016 to 2023
General payments to Dr. Rydz by kind, 2016 to 2023
- Food and beverage$41652%
- Travel and lodging$37948%
Companies that paid Dr. Rydz the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Joseph Rydz has 1 award and honors on record
Dmand AI lists 1 award for Dr. Rydz.
Awards and honors for Dr. Rydz
- Undated
- ACS Fellow
Source: Dmand AI Professional Profile Data
Dr. Thomas Joseph Rydz graduated from David Geffen School of Medicine at UCLA
Dr. Rydz graduated from David Geffen School of Medicine at UCLA in 1985. Dr. Rydz is a member of ACS and SLS.
- Medical school
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Thomas Joseph Rydz accepts plans from 13 insurance carriers
Dr. Rydz is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- Alliant Health Plans
- +5 more carriersWith a free account
Plan types Dr. Rydz accepts, by number of carriers
- PPO9
- Medicare8
- HMO6
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas Joseph Rydz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Thomas Joseph Rydz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas Joseph Rydz's NPI number?
Dr. Thomas Joseph Rydz's NPI number is 1184781536. It was assigned on January 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Joseph Rydz?
Dr. Thomas Joseph Rydz is a general surgeon in Fortuna, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Thomas Joseph Rydz practice?
Dr. Rydz practices at 3300 Renner Drive, Fortuna, CA 95540. Dr. Rydz's primary practice is Providence Redwood Memorial Hospital in Fortuna, California, part of Providence Health & Services. Dmand AI also links Dr. Rydz to 2 group practices and clinics and 1 medical group.
What is Dr. Thomas Joseph Rydz's office phone number?
The practice phone on file for Dr. Rydz is (707) 445-8121.
What is Dr. Thomas Joseph Rydz's medical license number?
Dr. Rydz holds California license G71695, one of the licenses on file in 2 states.
Which states has Dr. Thomas Joseph Rydz been licensed in?
Dmand AI has state licenses on file for Dr. Rydz in California (1991 to 2026) and Iowa (1985 to 1991).
Which hospitals is Dr. Thomas Joseph Rydz affiliated with?
Dr. Rydz practices at Providence Redwood Memorial Hospital in Fortuna, California. Dr. Rydz is also affiliated with Providence St. Joseph Hospital Eureka.
What medical group is Dr. Thomas Joseph Rydz part of?
Dr. Rydz is linked to St. Jude Heritage Medical Group. Dmand AI links Dr. Rydz to 1 more medical group.
Does Dr. Thomas Joseph Rydz accept Medicare?
Yes. CMS data shows Dr. Rydz billed Medicare for 589 services in 2024, and Dr. Rydz accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Joseph Rydz see?
CMS counts 341 Medicare patients who saw Dr. Rydz in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
Is Dr. Thomas Joseph Rydz board certified?
Yes. Dr. Rydz is board certified in surgery by the American Board of Surgery.
What services does Dr. Thomas Joseph Rydz bill to Medicare?
In 2024, Dr. Rydz's most billed Medicare services were medicare service (G0500), surgery: digestive system (45380) and surgery: digestive system (43239).
Where did Dr. Thomas Joseph Rydz go to medical school?
Dr. Rydz graduated from David Geffen School of Medicine at UCLA in 1985.
What drugs does Dr. Thomas Joseph Rydz prescribe most?
In 2024 Medicare Part D data, Dr. Rydz's most prescribed drugs by claims were Pantoprazole Sodium, Oxycodone HCl and Peg 3350-Electrolyte.
Has Dr. Thomas Joseph Rydz received payments from drug or device companies?
CMS Open Payments shows $796 in general payments to Dr. Rydz from 6 companies from 2016 to 2023. The largest total came from C. R. Bard, Inc. & Subsidiaries.
How long has Dr. Thomas Joseph Rydz been practicing?
Dr. Rydz graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Thomas Joseph Rydz accept?
Dr. Rydz is in network with 13 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
Selling to surgery practices?
See general surgeons in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card