Active NPI 1184781536 Individual Practitioner Male Practitioner

Dr. Thomas Joseph Rydz , MD

Surgery • Eureka, CA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. Thomas Rydz, MD is a certified Surgery practicing in Eureka, CA. With approximately 41 years of clinical experience since graduating from University Of California, Geffen School Of Medicine in 1985, Dr. Rydz delivers high-quality medical care to the local community at 2321 HARRISON AVE.

Dr. Rydz is affiliated with Providence Medical Foundation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services 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 monito, biopsy of large bowel using an endoscope, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

2321 Harrison Ave

Eureka, CA 955013216

Telephone 7074453660

Fax 7074768431

Associated Practice Facility / Clinic

🏢 North Coast Surgical Specialists Facility NPI 1326246828

Medicare Profile & Education

Medical School

University Of California, Geffen School Of Medicine

Graduation Year

1985

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Eureka, CA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

41 Yrs +1.2 yrs vs City Avg

City Avg: 39.8 Yrs

State Avg: 27.4 Yrs

Regional Practice Density

8 Specialists

Practicing in Eureka, CA (3346 Statewide)

Telehealth Adoption Rate

37.5% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

72.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Rydz (41 Years) 41 Yrs

Eureka Specialty Average (39.8 Years) 39.8 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
G0500 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 monito	71	70	$17.00	$5.29
45380 Biopsy of large bowel using an endoscope	70	68	$640.00	$162.25
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	60	57	$445.00	$74.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$563.00	$168.80
99213 Established patient office or other outpatient visit, typically 15 minutes	49	41	$311.00	$91.42
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	37	33	$437.00	$130.25
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	37	37	$589.00	$170.03
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	35	33	$807.00	$228.35
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$379.00	$113.41
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	23	23	$1045.00	$312.41
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	22	22	$368.00	$17.28
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	21	21	$588.00	$173.94
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	20	17	$395.00	$77.89
49650 Repair of groin hernia using an endoscope	17	17	$1596.22	$460.21
45378 Diagnostic exam of large bowel using a flexible endoscope	17	16	$588.00	$168.37
49505 Repair of groin hernia (5 years or older)	13	13	$1760.68	$517.91
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$197.00	$58.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	67	66	$1113.00	$91.08
G0500 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 monito	66	62	$163.00	$5.22
45380 Biopsy of large bowel using an endoscope	58	58	$1260.00	$145.80
99213 Established patient office or other outpatient visit, typically 15 minutes	56	47	$245.00	$91.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	42	$345.00	$130.45
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	43	41	$1297.00	$242.78
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	42	42	$302.00	$114.27
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	42	42	$447.00	$169.28
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	30	29	$970.00	$169.08
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$970.00	$167.61
78195 Imaging of lymphatic tissue and lymph node	12	12	$973.00	$53.68
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$1947.50	$705.63
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	11	11	$970.00	$172.73
49505 Repair of groin hernia (5 years or older)	11	11	$1454.23	$540.44
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	11	11	$866.00	$88.10

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	74	67	$245.00	$94.80
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	58	51	$345.00	$133.85
45380 Biopsy of large bowel using an endoscope	56	56	$1260.00	$137.32
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	48	47	$1113.00	$102.21
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	46	46	$447.00	$173.25
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	45	43	$1297.00	$248.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	40	40	$302.00	$116.49
G0500 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 monito	39	39	$163.00	$5.45
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	28	28	$970.00	$189.56
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	26	15	$185.00	$73.09
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	16	16	$2930.00	$339.39
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	16	16	$298.00	$18.80
49505 Repair of groin hernia (5 years or older)	16	16	$1434.47	$519.97
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$970.00	$172.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	12	12	$514.00	$203.58
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	11	11	$154.00	$59.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	86	73	$132.00	$96.05
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	71	71	$197.00	$117.71
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	53	53	$296.00	$175.69
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	50	23	$126.00	$74.00
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	43	36	$195.00	$136.49
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	42	42	$682.00	$82.75
G0500 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 monito	38	38	$148.00	$5.55
45380 Biopsy of large bowel using an endoscope	38	37	$790.00	$167.54
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	33	30	$217.00	$19.15
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	22	$87.00	$59.50
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	32	30	$3528.00	$333.71
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	28	$1066.00	$252.33
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	24	24	$927.00	$188.81
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	21	21	$2890.71	$739.10
49505 Repair of groin hernia (5 years or older)	20	20	$1185.92	$539.84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	13	$337.00	$206.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	12	$258.00	$139.77

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	114	87	$132.00	$79.11
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	94	94	$197.00	$112.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	52	43	$195.00	$114.38
G0500 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 monito	48	47	$148.00	$5.71
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	42	41	$682.00	$92.44
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	42	40	$1066.00	$261.78
45380 Biopsy of large bowel using an endoscope	41	40	$790.00	$147.62
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$296.00	$168.15
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	35	22	$126.00	$75.55
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	30	$87.00	$48.22
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	28	28	$927.00	$185.84
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	25	23	$217.00	$19.45
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	25	23	$3528.00	$331.43
99231 Follow-up hospital inpatient care per day, typically 15 minutes	21	12	$84.00	$40.77
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	19	19	$258.00	$143.27
45378 Diagnostic exam of large bowel using a flexible endoscope	17	17	$716.00	$190.02
49505 Repair of groin hernia (5 years or older)	14	14	$1404.93	$583.88
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	12	12	$2921.25	$746.13

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	97	88	$130.35	$77.46
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	71	$193.34	$113.25
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	71	71	$293.99	$170.03
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$194.20	$112.36
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	59	56	$682.00	$92.63
G0500 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 monito	59	56	$148.00	$5.61
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	21	$126.00	$74.52
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	38	37	$1066.00	$267.23
45380 Biopsy of large bowel using an endoscope	37	37	$790.00	$181.79
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	36	36	$927.00	$182.90
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	24	23	$3528.00	$347.07
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	24	22	$87.00	$47.34
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	24	23	$217.00	$19.15
45378 Diagnostic exam of large bowel using a flexible endoscope	21	20	$716.00	$166.22
49505 Repair of groin hernia (5 years or older)	16	16	$1229.31	$547.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$258.00	$140.03
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	12	$337.00	$196.38
78195 Imaging of lymphatic tissue and lymph node	11	11	$469.00	$60.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	153	136	$121.90	$73.99
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	107	107	$186.68	$108.61
G0500 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 monito	80	80	$148.00	$5.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	62	28	$126.00	$72.42
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	47	36	$87.00	$44.70
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	46	46	$1066.00	$248.59
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	45	42	$682.00	$81.78
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	38	38	$927.00	$183.89
45380 Biopsy of large bowel using an endoscope	28	28	$790.00	$171.06
49505 Repair of groin hernia (5 years or older)	25	25	$1249.56	$512.90
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	23	23	$3528.00	$337.10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	11	$169.00	$103.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	21	$182.55	$108.80
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	21	21	$217.00	$18.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	21	$337.00	$201.62
45378 Diagnostic exam of large bowel using a flexible endoscope	18	18	$716.00	$167.53
55520 Removal of spermatic cord growth	17	17	$824.82	$231.15
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$273.19	$165.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$258.00	$135.70

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	161	140	$115.00	$75.61
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	82	82	$181.00	$111.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	59	21	$126.00	$73.54
99231 Follow-up hospital inpatient care per day, typically 15 minutes	44	18	$84.00	$39.82
G0500 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 monito	37	36	$148.00	$5.58
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	35	32	$682.00	$94.68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	32	31	$258.00	$138.92
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	31	31	$3528.00	$347.69
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$1066.00	$241.51
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	28	27	$168.00	$111.09
45380 Biopsy of large bowel using an endoscope	27	27	$790.00	$159.29
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	26	26	$258.00	$168.50
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	25	24	$85.84	$45.31
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	21	21	$927.00	$192.38
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	21	21	$168.00	$80.02
49505 Repair of groin hernia (5 years or older)	20	20	$1388.40	$566.21
77001 Fluoroscopic guidance for insertion, replacement or removal of central venous access device	20	20	$217.00	$19.35
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$716.00	$193.32
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	17	17	$2724.26	$684.86
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	13	13	$572.00	$79.20

Medical Specialties & State Licenses

CMS Verified: 2021-11-10

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License CA G71695

A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

00G716950 (CA)

Hospital & Practice Group Affiliations

Providence Medical Foundation

200 W Ctr St Promenade, Anaheim, CA 928053960

Providence Medical Foundation

1165 Montgomery Dr, Santa Rosa, CA 954054801

Phone: 7075463210

Providence Medical Foundation

2710 Dolbeer St, Eureka, CA 955014736

Phone: 7072672060

Providence Medical Foundation

3300 Renner Dr, Fortuna, CA 955403120

Phone: 7077253361

Providence Medical Foundation

2752 Harrison Ave, Eureka, CA 955014738

Providence Medical Foundation

500 Doyle Park Dr, Santa Rosa, CA 954054559

Providence Medical Foundation

2700 Dolbeer St, Eureka, CA 955014736

Phone: 7074458121

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners

Kathryn Stollmeyer , PA-C

Physician Assistant

NPI 1033315635

Physician Assistant (Certified)

Dr. Michael Palmer , MD

Surgery

NPI 1669539862

Doctor of Medicine (M.D.)

Dr. Thomas Loncar , MD

Surgery

NPI 1710915319

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events

✅

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍

Updated Practice Location July 08, 2007

Registered at 2321 HARRISON AVE, EUREKA, CA 955013216 (Tel: 7074453660)

📍

Updated Business Mailing Address July 08, 2007

Registered at 2321 HARRISON AVE, EUREKA, CA 955013216 (Tel: 7074453660)

👤

Provider Name / Credentials Updated July 08, 2007

Recorded as THOMAS RYDZ, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Surgery (License #G71695 in CA)

🟢

Initial NPI Registration & Enumeration January 03, 2007

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1184781536

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: January 03, 2007

Last Update: November 10, 2021

Sole Proprietor: No

Update or Correct Profile

Mailing Address

2321 Harrison Ave

Eureka, CA 955013216

Phone: 7074453660

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.