Active NPI 1992709802 Individual Practitioner Male Practitioner

Dr. John Thomas Hassapis , MD

Surgery • Coupeville, WA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. John Hassapis, MD is a certified Surgery practicing in Coupeville, WA. With approximately 36 years of clinical experience since graduating from Loyola University Of Chicago, Stritch School Of Medicine in 1990, Dr. Hassapis delivers high-quality medical care to the local community at 205 S MAIN ST STE B.

Dr. Hassapis is affiliated with Whidbey Island Public Hospital District and accepts Medicare assignment.

Frequently performed procedures and clinical services include new patient outpatient office visit, colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk, removal of polyps or growths of large bowel using an endoscope with mechanical snare. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

205 S Main St Ste B

Coupeville, WA 982393635

Telephone 3605446450

Associated Practice Facility / Clinic

🏢 Whidbey General Surgery Facility NPI 1639713522

Medicare Profile & Education

Medical School

Loyola University Of Chicago, Stritch School Of Medicine

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Coupeville, WA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs +8.7 yrs vs City Avg

City Avg: 27.3 Yrs

State Avg: 22.8 Yrs

Regional Practice Density

6 Specialists

Practicing in Coupeville, WA (818 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

76.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hassapis (36 Years) 36 Yrs

Coupeville Specialty Average (27.3 Years) 27.3 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
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	36	36	$218.33	$110.97
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$690.00	$173.24
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	13	13	$914.53	$245.30
45380 Biopsy of large bowel using an endoscope	12	12	$877.50	$119.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	54	54	$218.33	$111.53
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	23	23	$690.00	$178.97
45380 Biopsy of large bowel using an endoscope	19	19	$877.50	$138.53
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	17	17	$333.09	$165.15
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	16	14	$220.72	$127.32
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	15	15	$770.75	$90.80
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	12	12	$914.53	$246.82
99202 New patient office or other outpatient visit, typically 20 minutes	11	11	$155.00	$72.21

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	62	62	$333.09	$166.57
45378 Diagnostic exam of large bowel using a flexible endoscope	19	19	$696.66	$181.72
45380 Biopsy of large bowel using an endoscope	18	18	$877.50	$146.94
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	14	14	$914.53	$223.17

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	65	65	$333.09	$167.71
99152 Moderate sedation services by physician also performing a procedure, patient 5 years of age or older, first 15 minutes	24	24	$110.00	$12.50
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	13	13	$680.00	$187.09
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	13	$220.72	$131.62
45380 Biopsy of large bowel using an endoscope	11	11	$907.09	$150.98

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	16	16	$333.09	$168.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	100	100	$294.00	$163.93
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	94	94	$90.00	$5.71
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	79	$196.00	$110.37
45380 Biopsy of large bowel using an endoscope	61	61	$901.00	$175.40
99213 Established patient office or other outpatient visit, typically 15 minutes	41	35	$133.00	$74.17
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	41	41	$198.00	$108.83
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	38	38	$660.00	$106.96
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	25	25	$1015.00	$266.88
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	23	23	$993.00	$189.46
45378 Diagnostic exam of large bowel using a flexible endoscope	21	21	$724.00	$193.79
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	16	16	$1048.00	$193.34
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	12	12	$263.00	$147.80

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	138	138	$198.00	$108.33
99213 Established patient office or other outpatient visit, typically 15 minutes	94	86	$133.00	$73.22
45380 Biopsy of large bowel using an endoscope	82	82	$901.00	$166.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	80	72	$196.00	$107.95
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	54	52	$660.00	$95.09
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	51	51	$1015.00	$260.09
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	47	47	$294.00	$165.00
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	35	33	$80.00	$43.10
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	24	24	$993.00	$190.95
45378 Diagnostic exam of large bowel using a flexible endoscope	24	24	$724.00	$177.89
99202 New patient office or other outpatient visit, typically 20 minutes	19	19	$136.00	$75.44
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	18	18	$572.00	$95.50
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	18	18	$1048.00	$190.62
49505 Repair of groin hernia (5 years or older)	16	16	$968.00	$511.74
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	15	14	$132.00	$72.85
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	13	13	$188.00	$104.40
47562 Removal of gallbladder using an endoscope	13	13	$1395.00	$668.34
36561 Insertion of central venous catheter and implanted device for infusion beneath the skin, patient 5 years or older	12	12	$2540.00	$324.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	133	133	$197.10	$104.36
99213 Established patient office or other outpatient visit, typically 15 minutes	80	75	$132.88	$70.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	60	45	$79.59	$42.25
45380 Biopsy of large bowel using an endoscope	53	53	$901.00	$179.02
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	39	38	$660.00	$102.14
99202 New patient office or other outpatient visit, typically 20 minutes	31	31	$135.55	$72.72
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	27	26	$1014.93	$253.34
45384 Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery	25	25	$895.00	$197.07
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	22	22	$993.00	$183.23
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	19	19	$985.42	$307.18
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional	19	12	$37.76	$19.81
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	18	17	$195.44	$104.42
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	17	17	$1048.00	$182.75
47562 Removal of gallbladder using an endoscope	11	11	$1395.00	$634.86

Medical Specialties & State Licenses

CMS Verified: 2021-11-12

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License WA MD60466656

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

1992709802 (WA)

Hospital & Practice Group Affiliations

Whidbey Island Public Hospital District

205 S Main St, Coupeville, WA 982393635

Phone: 3602404013

Whidbey Island Public Hospital District

101 N Main St, Coupeville, WA 982393413

Whidbey Island Public Hospital District

205 S Main St, Coupeville, WA 982393635

Phone: 3602404013

Whidbey Island Public Hospital District

275 Se Cabot Dr, Oak Harbor, WA 982773740

Phone: 3606756648

Whidbey Island Public Hospital District

205 S Main St A, Coupeville, WA 982393635

Phone: 3606786799

Whidbey Island Public Hospital District

275 Se Cabot Dr, Oak Harbor, WA 982773740

Phone: 3606756648

Whidbey Island Public Hospital District

101 N Main St, Coupeville, WA 982393413

Whidbey Island Public Hospital District

205 S Main St A, Coupeville, WA 982393635

Phone: 3606786799

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location October 25, 2022

Registered at 205 S MAIN ST STE B, COUPEVILLE, WA 982393635 (Tel: 3605446450)

📍

Updated Business Mailing Address October 25, 2022

Registered at PO BOX 1007, COUPEVILLE, WA 982391007 (Tel: 3605446450)

✅

NPI Profile Active October 14, 2014

NPI status registered as active in NPPES database

📍

Updated Practice Location October 14, 2014

Registered at 205 S MAIN ST STE A, COUPEVILLE, WA 982393635 (Tel: 3606786799)

📍

Updated Business Mailing Address October 14, 2014

Registered at PO BOX 145, COUPEVILLE, WA 982390145 (Tel: 3606781874)

👤

Provider Name / Credentials Updated October 14, 2014

Recorded as JOHN HASSAPIS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 14, 2014

Surgery (License #MD60466656 in WA)

🟢

Initial NPI Registration & Enumeration June 08, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1992709802

Entity Type:

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

Enumeration Date: June 08, 2005

Last Update: October 25, 2022

Sole Proprietor: Yes

Update or Correct Profile

Mailing Address

Po Box 1007

Coupeville, WA 982391007

Phone: 3605446450

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.