Active NPI 1285993576 Individual Practitioner Male Practitioner

Dr. Ehsan Chitsaz , MD

Internal Medicine - Gastroenterology • Everett, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Ehsan Chitsaz, MD is a certified Internal Medicine - Gastroenterology practicing in Everett, WA. With approximately 18 years of clinical experience since completing medical education in 2008, Dr. Chitsaz delivers high-quality medical care to the local community at 3927 RUCKER AVE.

Dr. Chitsaz maintains professional affiliations with Trihealth H Llc, Advocate Health And Hospitals Corporation, Optum Care Washington Pllc and accepts Medicare assignment.

Frequently performed procedures and clinical services include initial hospital care with moderate level of medical decision making, if using time, at least, biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

3927 Rucker Ave

Everett, WA 982014833

Telephone 4253173655

Fax 4253173660

Associated Practice Facility / Clinic

🏢 Optum Care Washington Pllc Facility NPI 1154318103

Medicare Profile & Education

Medical School

Other

Graduation Year

2008

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine - Gastroenterology in Everett, WA

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

18 Yrs -7.5 yrs vs City Avg

City Avg: 25.5 Yrs

State Avg: 24.8 Yrs

Regional Practice Density

31 Specialists

Practicing in Everett, WA (546 Statewide)

Telehealth Adoption Rate

38.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

77.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Chitsaz (18 Years) 18 Yrs

Everett Specialty Average (25.5 Years) 25.5 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
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	337	314	$453.58	$167.01
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	100	99	$651.46	$89.18
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	80	71	$164.78	$74.78
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	35	34	$639.23	$97.95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	35	35	$311.34	$125.11
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	29	29	$1036.03	$205.23
45378 Diagnostic exam of large bowel using a flexible endoscope	26	25	$774.00	$157.21
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	19	16	$233.53	$113.27
43255 Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	18	$939.33	$181.82
43270 Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope	14	14	$583.00	$179.98
45380 Biopsy of large bowel using an endoscope	13	13	$793.23	$76.85

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	168	165	$492.87	$169.48
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	166	102	$227.78	$78.26
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	47	47	$499.02	$94.03
99231 Follow-up hospital inpatient care per day, typically 15 minutes	43	32	$147.26	$49.68
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	30	26	$312.80	$117.02
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	24	23	$523.29	$116.08
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	16	$374.59	$128.72
45380 Biopsy of large bowel using an endoscope	16	16	$694.88	$143.99
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	15	15	$865.07	$185.39
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	15	15	$361.00	$159.10
45378 Diagnostic exam of large bowel using a flexible endoscope	13	12	$560.00	$163.75
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	13	13	$900.00	$242.68

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	170	89	$213.73	$70.91
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	63	61	$637.86	$94.59
99231 Follow-up hospital inpatient care per day, typically 15 minutes	60	43	$118.00	$38.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	48	39	$357.38	$122.95
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	39	39	$480.41	$166.98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	36	35	$410.00	$134.89
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	32	31	$579.63	$197.33
45380 Biopsy of large bowel using an endoscope	30	30	$796.65	$136.15
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	30	30	$852.37	$242.48
99221 Initial hospital inpatient care per day, typically 30 minutes	26	26	$300.77	$100.69
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	21	16	$309.00	$101.95
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	20	20	$552.40	$98.73
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	14	14	$545.00	$179.25
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$315.23	$112.08

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	88	87	$20.00	$5.53
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	35	35	$1895.00	$252.52
45380 Biopsy of large bowel using an endoscope	29	29	$1545.83	$117.08
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	27	27	$1066.41	$96.73
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	22	22	$316.91	$133.49
99442 Telephone medical discussion with physician, 11-20 minutes	18	17	$175.00	$67.08
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	15	13	$151.00	$98.46
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$921.00	$98.90
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	12	11	$173.00	$70.48
45378 Diagnostic exam of large bowel using a flexible endoscope	11	11	$1451.00	$171.92

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	93	93	$20.00	$5.67
45380 Biopsy of large bowel using an endoscope	45	45	$1553.00	$131.97
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	33	32	$153.12	$76.65
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	31	31	$1895.00	$258.57
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	30	29	$1059.00	$110.66
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	22	22	$921.00	$105.67
99442 Telephone medical discussion with physician, 11-20 minutes	21	21	$175.00	$50.85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$325.57	$137.22
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$248.59	$122.39
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	17	16	$174.12	$71.99
99443 Telephone medical discussion with physician, 21-30 minutes	16	16	$274.00	$77.98
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	15	$489.47	$200.67

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	96	93	$20.00	$5.52
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	50	50	$244.00	$126.40
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	42	$153.67	$73.68
45380 Biopsy of large bowel using an endoscope	38	38	$1553.00	$138.04
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	24	$232.00	$108.47
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	23	23	$1059.00	$104.32
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	23	23	$1895.00	$241.36
45378 Diagnostic exam of large bowel using a flexible endoscope	16	15	$1451.00	$169.41
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$921.00	$115.35
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	13	13	$389.00	$133.86

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	13	13	$20.00	$5.55
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	12	12	$151.00	$76.83

Medical Specialties & State Licenses

CMS Verified: 2026-04-30

Internal Medicine - Gastroenterology Primary Specialty

NUCC Taxonomy Code: 207RG0100X

State License WA MD70063680

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Internal Medicine - Gastroenterology

NUCC Taxonomy Code: 207RG0100X

State License OH 35.132790

Internal Medicine - Gastroenterology

NUCC Taxonomy Code: 207RG0100X

State License IL 036-168165

Hospital & Practice Group Affiliations

Advocate Health And Hospitals Corporation

17850 Kedzie Ave, Hazel Crest, IL 604292082

Phone: 7085754415

Trihealth H Llc

10500 Montgomery Rd, Montgomery, OH 452424402

Phone: 5138652246

Optum Care Washington Pllc

3927 Rucker Ave, Everett, WA 982014833

Phone: 4253393930

Secondary Practice Locations

2500 Metrohealth Dr

Cleveland, OH 441091900

Phone: 2167787800

2315 E 93rd St Ste 440

Chicago, IL 606173951

Phone: 7737686400

10600 Montgomery Rd

Montgomery, OH 452424463

Phone: 5137945600

Practice Associates & Co-Workers

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

4 Associated Practitioners

Dr. Austen Lawrence , DO

Radiology - Diagnostic Radiology

NPI 1063947919

Doctor of Osteopathic Medicine (D.O.)

Dr. Brendan Harrison , MD

Radiology - Diagnostic Radiology

NPI 1306330535

Doctor of Medicine (M.D.)

Dr. Justin Leblanc , MD

Radiology - Diagnostic Radiology

NPI 1437441102

Doctor of Medicine (M.D.)

Dr. Alvan Ni , MD

Radiology - Diagnostic Radiology

NPI 1578067385

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

14 Historical Events

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 30, 2026

Internal Medicine (License #35.132790 in OH)

📍

Updated Practice Location February 03, 2026

Registered at 3927 RUCKER AVE, EVERETT, WA 982014833 (Tel: 4253173655)

📍

Updated Business Mailing Address February 03, 2026

Registered at PO BOX 5127, EVERETT, WA 982065127 (Tel: 2068605414)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 03, 2026

Internal Medicine (License #MD70063680 in WA)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) January 31, 2024

Internal Medicine (License #036-168165 in IL)

📍

Updated Practice Location April 23, 2019

Registered at 2500 METROHEALTH DR, CLEVELAND, OH 441091900 (Tel: 2167787800)

📍

Updated Business Mailing Address April 23, 2019

Registered at 2500 METROHEALTH DR, CLEVELAND, OH 441091900 (Tel: 2167787800)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) April 23, 2019

Internal Medicine (License #35.132790 in OH)

✅

NPI Profile Active May 15, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location May 15, 2012

Registered at 72 E CONCORD, EVANS 124, BOSTON MEDICAL CENTER, BOSTON, MA 02118 (Tel: 6176386513)

📍

Updated Business Mailing Address May 15, 2012

Registered at 72 E CONCORD, EVANS 124, BOSTON MEDICAL CENTER, BOSTON, MA 02118 (Tel: 6176386513)

👤

Provider Name / Credentials Updated May 15, 2012

Recorded as EHSAN CHITSAZ, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 15, 2012

Student in an Organized Health Care Education/Training Program

🟢

Initial NPI Registration & Enumeration May 08, 2012

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: 1285993576

Entity Type:

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

Enumeration Date: May 08, 2012

Last Update: April 30, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 5127

Everett, WA 982065127

Phone: 2068605414

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.