Active NPI 1518266394 Individual Practitioner Female Practitioner

Dr. Catherine P Benziger , MD

Internal Medicine • Seattle, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Catherine Benziger, MD is a certified Internal Medicine practicing in Seattle, WA. With approximately 15 years of clinical experience since graduating from University Of Minnesota Medical School in 2011, Dr. Benziger delivers high-quality medical care to the local community at 206 3RD AVE S.

Dr. Benziger maintains professional affiliations with St Marys Medical Center, St Marys Hospital Of Superior and accepts Medicare assignment.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, ultrasound of heart with color-depicted blood flow, rate, direction and valve function, exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

206 3rd Ave S
Box 359945

Seattle, WA 981042697

Telephone 2067441599

Associated Practice Facility / Clinic

🏢 Harborview Medical Center Facility NPI 1235777616

Medicare Profile & Education

Medical School

University Of Minnesota Medical School

Graduation Year

2011

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Seattle, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

15 Yrs -5.3 yrs vs City Avg

City Avg: 20.3 Yrs

State Avg: 23.4 Yrs

Regional Practice Density

839 Specialists

Practicing in Seattle, WA (3169 Statewide)

Telehealth Adoption Rate

26.1% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

80.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Benziger (15 Years) 15 Yrs

Seattle Specialty Average (20.3 Years) 20.3 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
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	762	621	$60.36	$7.66
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	180	178	$470.00	$65.29
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	51	51	$144.00	$13.17
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	43	43	$526.00	$72.02
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	41	40	$76.00	$6.68
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	40	38	$821.00	$163.20
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	39	39	$149.00	$20.02
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	39	38	$58.00	$2.95
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	31	28	$316.19	$136.34
93312 Ultrasound of heart with probe in esophagus, with report	22	22	$696.00	$100.26
93308 Ultrasound of heart, follow-up	19	17	$180.00	$23.60
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days	19	19	$179.00	$24.22
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days	17	17	$170.00	$21.90
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	16	16	$167.50	$23.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$228.08	$92.24
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	11	11	$484.55	$170.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	608	511	$60.00	$7.83
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	181	181	$470.00	$66.55
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	62	62	$144.00	$13.53
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	49	49	$526.00	$73.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	44	44	$821.00	$166.17
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	41	41	$149.00	$20.57
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	37	37	$58.00	$3.02
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days	33	33	$170.00	$22.66
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	33	32	$76.00	$6.82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	31	22	$433.16	$113.93
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	27	27	$60.00	$7.82
93308 Ultrasound of heart, follow-up	27	25	$180.00	$24.02
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	18	17	$295.00	$137.53
99291 Critical care, first 30-74 minutes	16	12	$887.00	$201.85
93312 Ultrasound of heart with probe in esophagus, with report	16	16	$696.00	$102.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	14	14	$211.00	$93.63
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	13	13	$520.00	$66.87

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	352	317	$57.20	$8.01
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	247	245	$453.40	$68.84
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	72	72	$144.00	$14.21
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	56	56	$149.00	$21.21
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	54	54	$58.00	$3.09
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	46	46	$76.00	$7.01
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	45	45	$526.00	$75.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$794.54	$191.03
93308 Ultrasound of heart, follow-up	28	28	$180.00	$24.73
93312 Ultrasound of heart with probe in esophagus, with report	25	25	$696.00	$106.07
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days	23	23	$170.00	$23.97
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	22	22	$520.00	$68.64
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	16	$327.25	$141.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,115	891	$54.00	$8.18
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	334	331	$445.00	$69.85
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	75	75	$144.00	$14.48
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	63	63	$526.00	$76.94
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	53	52	$58.00	$3.15
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	51	51	$149.00	$21.60
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	51	50	$76.00	$7.12
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days	41	41	$170.00	$24.41
93308 Ultrasound of heart, follow-up	38	33	$180.00	$25.10
93312 Ultrasound of heart with probe in esophagus, with report	26	26	$696.00	$107.52
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	23	15	$394.13	$100.49
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	22	22	$226.64	$97.70
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	16	16	$520.00	$69.94
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$768.20	$194.69
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	14	14	$166.00	$25.35
92960 External shock to heart to regulate heart beat	13	13	$809.23	$107.33
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	11	11	$517.82	$131.83

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	750	625	$52.53	$8.44
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	247	244	$436.77	$73.78
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	85	85	$144.00	$14.88
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	72	72	$145.22	$22.27
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	59	59	$526.00	$78.83
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	56	56	$58.00	$3.25
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	49	30	$384.63	$102.84
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	49	49	$76.00	$7.33
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	38	37	$260.47	$76.91
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	33	32	$746.45	$199.18
93312 Ultrasound of heart with probe in esophagus, with report	27	27	$696.00	$110.37
0298T Review and interpretation of external EKG recording for more than 48 hours up to 21 days	26	26	$170.00	$27.13
93308 Ultrasound of heart, follow-up	26	25	$180.00	$25.85
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	25	25	$520.00	$71.73
99443 Telephone medical discussion with physician, 21-30 minutes	18	18	$315.56	$78.13
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$502.56	$134.79
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	13	13	$166.00	$26.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	957	781	$50.00	$8.31
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	540	527	$399.58	$72.89
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	131	131	$144.00	$14.72
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	100	100	$135.72	$21.96
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	95	92	$58.00	$3.20
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	92	92	$526.00	$77.92
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	78	75	$76.00	$7.24
93308 Ultrasound of heart, follow-up	53	53	$180.00	$25.51
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	47	47	$168.13	$26.24
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	43	23	$366.86	$101.05
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	41	41	$520.00	$70.76
93312 Ultrasound of heart with probe in esophagus, with report	40	40	$658.48	$108.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	28	28	$708.50	$196.41
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	26	26	$485.85	$132.60
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	23	21	$185.48	$76.70
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	23	23	$111.35	$12.00
93320 Ultrasound of heart blood flow, valves and chambers	21	21	$161.00	$18.27
93228 Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional	18	18	$156.50	$25.63
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	17	17	$255.06	$70.65
93352 Injection of x-ray contrast during ultrasound of heart	14	14	$196.93	$33.56

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,193	985	$50.00	$8.31
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	541	535	$368.00	$72.62
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	163	162	$144.00	$14.63
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	137	136	$130.00	$21.82
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	114	114	$526.00	$78.13
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	107	107	$58.00	$3.15
93320 Ultrasound of heart blood flow, valves and chambers	59	59	$161.00	$18.05
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	58	58	$520.00	$69.93
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	57	35	$353.14	$101.65
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	55	55	$166.00	$26.56
93321 Follow-up or limited heart doppler ultrasound study of heart blood flow, valves, and chambers	47	47	$76.00	$7.23
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	43	43	$683.42	$197.40
93312 Ultrasound of heart with probe in esophagus, with report	38	38	$612.55	$108.42
93308 Ultrasound of heart, follow-up	30	30	$180.00	$25.48
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	29	26	$146.48	$76.82
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	20	20	$174.10	$108.66
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	18	18	$113.17	$12.10
93352 Injection of x-ray contrast during ultrasound of heart	18	18	$192.00	$33.88
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	12	12	$201.75	$125.25
99205 New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	12	12	$313.50	$151.63

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function	59	59	$383.92	$63.02
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	47	40	$50.00	$8.29
93018 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician	27	27	$144.00	$14.66
93016 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician	26	26	$130.00	$21.87
93325 Doppler ultrasound study of color-directed heart blood flow, rate, and valve function	18	18	$58.00	$3.19
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect	17	17	$526.00	$78.02
93320 Ultrasound of heart blood flow, valves and chambers	12	12	$161.00	$18.20
93350 Ultrasound of heart during rest, exercise and/or drug-induced stress with report	12	12	$520.00	$70.46

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License WA MD60391079

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Hospital & Practice Group Affiliations

St Marys Hospital Of Superior

11134 N State Rd, Hayward, WI 548435325

Phone: 7156345505

St Marys Hospital Of Superior

819 Ash St, Spooner, WI 548011201

Phone: 7156355303

St Marys Hospital Of Superior

11134 N State Rd, Hayward, WI 548435325

Phone: 7156345505

St Marys Hospital Of Superior

1180 Chandler Dr, Spooner, WI 548012204

Phone: 7156352151

St Marys Medical Center

402 E 2nd St, Duluth, MN 558051906

Phone: 2187863443

Practice Associates & Co-Workers

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

2 Associated Practitioners

Dr. Cathrine Wheeler , MD

Internal Medicine

NPI 1316096597

Doctor of Medicine (M.D.)

Genevieve Ameling

Social Worker - Clinical

NPI 1548757982

Career & Practice History Timeline

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

6 Historical Events

✅

NPI Profile Active July 25, 2013

NPI status registered as active in NPPES database

📍

Updated Practice Location July 25, 2013

Registered at 206 3RD AVE S, BOX 359945, SEATTLE, WA 981042697 (Tel: 2067441599)

📍

Updated Business Mailing Address July 25, 2013

Registered at 206 3RD AVE S, BOX 359945, SEATTLE, WA 981042697 (Tel: 2067441599)

👤

Provider Name / Credentials Updated July 25, 2013

Recorded as CATHERINE BENZIGER, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) July 25, 2013

Internal Medicine (License #MD60391079 in WA)

🟢

Initial NPI Registration & Enumeration March 20, 2011

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: 1518266394

Entity Type:

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

Enumeration Date: March 20, 2011

Last Update: July 25, 2013

Sole Proprietor: No

Update or Correct Profile

Mailing Address

206 3rd Ave S, Box 359945

Seattle, WA 981042697

Phone: 2067441599

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.