Active NPI 1164481743 Individual Practitioner Male Practitioner

Dr. William Vasilos Kastrinakis , MD

Surgery • Danvers, MA

✓ Accepts Medicare Assignment Telehealth Available

Professional Overview & Biography Verified Profile Summary

Dr. William Kastrinakis, MD is a certified Surgery practicing in Danvers, MA. With approximately 36 years of clinical experience since graduating from Tufts University School Of Medicine in 1990, Dr. Kastrinakis delivers high-quality medical care to the local community at 104 ENDICOTT ST.

Dr. Kastrinakis is affiliated with Massachusetts General Physicians Organization Inc and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.

Frequently performed procedures and clinical services include new patient outpatient office visit, established patient outpatient office visit, intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

104 Endicott St
Suite 200

Danvers, MA 019233623

Telephone 9788826868

Fax 9788826828

Associated Practice Facility / Clinic

🏢 Cornell Orthotics & Prosthetics Inc Facility NPI 1275766503

Medicare Profile & Education

Medical School

Tufts University School Of Medicine

Graduation Year

1990

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

Telehealth Services Available

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Danvers, MA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

36 Yrs -1.8 yrs vs City Avg

City Avg: 37.8 Yrs

State Avg: 28.2 Yrs

Regional Practice Density

10 Specialists

Practicing in Danvers, MA (1077 Statewide)

Telehealth Adoption Rate

30.0% Regional Adoption

✓ Offers Virtual Consultations

Medicare Pricing Discount

80.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Kastrinakis (36 Years) 36 Yrs

Danvers Specialty Average (37.8 Years) 37.8 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
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	119	119	$776.00	$167.20
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	85	79	$554.80	$129.49
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	73	73	$509.82	$110.80
99213 Established patient office or other outpatient visit, typically 15 minutes	54	49	$395.33	$92.05
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	38	38	$1510.16	$304.97
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	31	31	$1094.58	$127.83
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	27	23	$331.48	$77.80
49650 Repair of groin hernia using an endoscope	17	17	$2366.34	$434.74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	15	15	$544.60	$128.82
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	14	14	$805.00	$171.32
49505 Repair of groin hernia (5 years or older)	14	14	$2553.00	$520.36
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	13	12	$499.15	$117.01

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	89	89	$776.00	$169.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	82	73	$544.63	$129.59
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	81	81	$510.07	$113.43
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	57	41	$304.04	$79.75
99213 Established patient office or other outpatient visit, typically 15 minutes	53	47	$383.92	$92.07
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	36	35	$1398.25	$299.31
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$805.00	$174.85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	21	21	$548.43	$131.05
49505 Repair of groin hernia (5 years or older)	20	20	$2432.25	$529.60
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	19	15	$1037.00	$122.61
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	17	12	$435.06	$119.96
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	16	16	$1095.88	$136.42
49650 Repair of groin hernia using an endoscope	14	14	$2398.21	$501.80
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	13	13	$8548.00	$1814.49
47562 Removal of gallbladder using an endoscope	11	11	$3072.36	$664.82

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	84	84	$732.50	$173.13
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	60	60	$469.60	$116.32
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	48	47	$532.50	$133.19
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	45	31	$284.71	$72.35
99213 Established patient office or other outpatient visit, typically 15 minutes	42	41	$376.43	$94.43
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	33	31	$1412.97	$290.93
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	25	21	$1065.12	$129.07
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	24	24	$537.92	$137.40
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	21	$793.57	$201.54
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	18	17	$408.50	$104.17
44205 Partial removal of small and large bowel with attachment of small and large bowel using an endoscope	18	18	$5386.33	$1370.49
49650 Repair of groin hernia using an endoscope	11	11	$2334.09	$471.31
49505 Repair of groin hernia (5 years or older)	11	11	$2392.00	$543.13

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	79	79	$691.42	$175.36
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	67	67	$453.28	$117.59
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	61	59	$468.52	$135.79
99213 Established patient office or other outpatient visit, typically 15 minutes	52	47	$327.69	$94.50
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	44	27	$292.00	$73.80
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	43	42	$1335.74	$321.13
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	28	28	$1050.29	$135.24
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	24	20	$419.75	$106.07
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	19	$814.20	$205.65
49505 Repair of groin hernia (5 years or older)	19	18	$2241.21	$548.70
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	16	16	$1153.19	$143.78
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$554.50	$139.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	15	14	$198.33	$59.11
44207 Partial removal of large bowel and reattachment to rectum using an endoscope	14	14	$7622.54	$1888.36
47562 Removal of gallbladder using an endoscope	11	11	$2838.82	$659.86

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	58	32	$292.38	$75.58
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	55	55	$673.31	$172.73
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	53	52	$447.53	$114.32
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	46	46	$447.09	$112.03
99213 Established patient office or other outpatient visit, typically 15 minutes	38	36	$305.53	$77.89
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	31	31	$550.61	$144.02
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	29	28	$1264.41	$296.95
49505 Repair of groin hernia (5 years or older)	20	20	$2164.90	$559.95
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	20	20	$1055.10	$131.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	17	17	$812.00	$211.42
47562 Removal of gallbladder using an endoscope	17	17	$2738.35	$709.96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	15	12	$419.00	$108.59
99443 Telephone medical discussion with physician, 21-30 minutes	13	13	$446.69	$113.71
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$408.33	$106.13

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	122	122	$658.56	$171.25
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	117	110	$434.91	$113.35
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	62	34	$287.03	$75.23
99213 Established patient office or other outpatient visit, typically 15 minutes	44	37	$298.09	$77.49
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	42	23	$411.38	$107.50
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	37	35	$1202.65	$289.06
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	26	20	$1031.69	$162.02
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	20	19	$541.00	$141.67
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	19	18	$800.42	$209.19
47562 Removal of gallbladder using an endoscope	18	18	$2700.56	$703.71
49505 Repair of groin hernia (5 years or older)	18	18	$2113.67	$556.72
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	18	17	$1006.67	$141.34
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$436.08	$113.15

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	112	112	$645.62	$171.79
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	92	86	$426.51	$110.87
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	49	33	$277.84	$75.52
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	47	45	$1228.13	$306.47
99213 Established patient office or other outpatient visit, typically 15 minutes	40	32	$290.00	$76.31
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	34	23	$401.44	$108.17
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	33	33	$528.33	$141.88
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	24	21	$1006.83	$137.37
49505 Repair of groin hernia (5 years or older)	23	23	$2026.39	$554.78
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	21	20	$783.00	$210.52
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	19	19	$22.00	$5.88
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	17	16	$562.00	$151.83
47562 Removal of gallbladder using an endoscope	15	15	$2554.27	$701.90
11402 Removal of noncancer skin growth of body, arms, or legs, 1.1-2.0 cm	14	14	$658.00	$86.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	13	13	$418.00	$112.88
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$1059.25	$179.94
44205 Partial removal of small and large bowel with attachment of small and large bowel using an endoscope	11	11	$5187.45	$1426.17

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	137	137	$626.57	$168.78
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	64	63	$559.05	$149.06
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	55	50	$417.09	$110.90
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	46	36	$272.09	$73.84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	44	21	$391.45	$106.68
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm	36	36	$1132.31	$277.28
11603 Removal of cancer skin growth of body, arms, or legs, 2.1-3.0 cm	23	23	$1022.17	$144.75
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	22	$762.48	$207.27
99213 Established patient office or other outpatient visit, typically 15 minutes	21	20	$283.00	$75.53
49505 Repair of groin hernia (5 years or older)	20	20	$1970.00	$538.34
11602 Removal of cancer skin growth of body, arms, or legs, 1.1-2.0 cm	17	14	$961.82	$142.18
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	16	16	$507.81	$139.71
99238 Hospital discharge day management, 30 minutes or less	15	15	$276.60	$74.47
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	15	15	$28.67	$5.72
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	12	12	$409.42	$111.46
12034 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 7.6-12.5 cm	11	11	$878.64	$157.46

Medical Specialties & State Licenses

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MA 75212

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.

Surgery - Surgical Critical Care

NUCC Taxonomy Code: 2086S0102X

State License MA 75212

A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Surgery - Pediatric Surgery

NUCC Taxonomy Code: 2086S0120X

State License MA 75212

A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.

Surgery - Trauma Surgery

NUCC Taxonomy Code: 2086S0127X

State License MA 75212

Trauma surgery is a recognized subspecialty of general surgery. Trauma surgeons are physicians who have completed a five-year general surgery residency and usually continue with a one to two year fellowship in trauma and/or surgical critical care, typically leading to additional board certification in surgical critical care. There is no trauma surgery board certification at this point. To obtain board certification in surgical critical care, a fellowship in surgical critical care or anesthesiology critical care must be completed during or after general surgery residency.

Surgery - Surgical Oncology

NUCC Taxonomy Code: 2086X0206X

State License MA 75212

A surgical oncologist is a well-qualified surgeon who has obtained additional training and experience in the multidisciplinary approach to the prevention, diagnosis, treatment, and rehabilitation of cancer patients, and devotes a major portion of his or her professional practice to these activities and cancer research.

Colon & Rectal Surgery

NUCC Taxonomy Code: 208C00000X

State License MA 75212

A colon and rectal surgeon is trained to diagnose and treat various diseases of the intestinal tract, colon, rectum, anal canal and perianal area by medical and surgical means. This specialist also deals with other organs and tissues (such as the liver, urinary and female reproductive system) involved with primary intestinal disease.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

3104354 (MA)

Commercial Insurance / Payer ID Bcbs

KAJ12354

Commercial Insurance / Payer ID Commerical

042530297 (MA)

Commercial Insurance / Payer ID Tufts

075212 (MA)

Commercial Insurance / Payer ID Tuffs

075212

Commercial Insurance / Payer ID Blue Cross Blue Shield

KAJ12354 (MA)

Hospital & Practice Group Affiliations

Massachusetts General Physicians Organization Inc

81 Highland Ave, Salem, MA 019702714

Phone: 9787411200

Massachusetts General Physicians Organization Inc

102 Endicott St, Danvers, MA 019233623

Phone: 9788826100

Massachusetts General Physicians Organization Inc

55 Fruit St, Boston, MA 021142696

Phone: 6177240287

Practice Associates & Co-Workers

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

11 Associated Practitioners

Dr. Frederick Buckley , MD

Surgery

NPI 1013905025

Doctor of Medicine (M.D.)

Meghan Davis-Bencal

Nurse Practitioner

NPI 1184154940

Dr. Larry Goldberg , MD

Surgery

NPI 1205820941

Doctor of Medicine (M.D.)

Christiina Murphy , PA-C

Physician Assistant - Surgical

NPI 1215238613

Physician Assistant (Certified)

Dr. Russell Ryan , MD

Surgery

NPI 1215903539

Doctor of Medicine (M.D.)

Dr. Jaime Rivera , MD

Surgery

NPI 1487614418

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 May 18, 2012

NPI status registered as active in NPPES database

📍

Updated Practice Location May 18, 2012

Registered at 104 ENDICOTT ST, SUITE 200, DANVERS, MA 019233623 (Tel: 9788826868)

📍

Updated Business Mailing Address May 18, 2012

Registered at 104 ENDICOTT ST, SUITE 200, DANVERS, MA 019233623 (Tel: 9788826868)

👤

Provider Name / Credentials Updated May 18, 2012

Recorded as WILLIAM KASTRINAKIS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) May 18, 2012

Surgery (License #75212 in MA)

🟢

Initial NPI Registration & Enumeration March 21, 2006

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: 1164481743

Entity Type:

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

Enumeration Date: March 21, 2006

Last Update: May 18, 2012

Sole Proprietor: No

Update or Correct Profile

Mailing Address

104 Endicott St, Suite 200

Danvers, MA 019233623

Phone: 9788826868

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.