Active NPI 1194808378 Individual Practitioner Male Practitioner

Dr. Kenneth P Koenigs , MD

Internal Medicine • Springfield, MA

Professional Overview & Biography Verified Profile Summary

Dr. Kenneth Koenigs, MD is a registered healthcare professional specializing in Internal Medicine in Springfield, MA. Practice services are available at 299 CAREW ST under active NPI credentials.

Frequently performed procedures and clinical services include established patient outpatient office visit, 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

299 Carew St
Ste 419

Springfield, MA 011042301

Telephone 4137377951

Associated Practice Facility / Clinic

🏢 Dr. James Haines & Dr. William Belcastro, Ptr. Facility NPI 1124027834

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Springfield, MA

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 20.3 Yrs

State Avg: 29.3 Yrs

Regional Practice Density

289 Specialists

Practicing in Springfield, MA (7127 Statewide)

Telehealth Adoption Rate

16.6% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

81.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	152	133	$216.00	$95.76
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	107	98	$320.00	$134.19
45380 Biopsy of large bowel using an endoscope	67	67	$1498.00	$139.96
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	59	58	$1099.00	$103.83
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	43	43	$1684.00	$264.11
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	29	29	$1253.00	$192.80
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	26	25	$430.00	$184.37
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$1253.00	$193.10
99441 Telephone medical discussion with physician, 5-10 minutes	13	12	$131.00	$59.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	13	13	$493.00	$175.36

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	263	205	$216.00	$77.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	129	118	$320.00	$113.28
45380 Biopsy of large bowel using an endoscope	100	100	$1498.00	$155.15
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	99	98	$1099.00	$125.41
99441 Telephone medical discussion with physician, 5-10 minutes	69	62	$101.43	$47.65
99442 Telephone medical discussion with physician, 11-20 minutes	52	46	$171.87	$78.29
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	49	49	$1684.00	$272.28
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	46	46	$1253.00	$191.30
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$493.00	$172.75
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	24	24	$322.00	$107.51
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	22	22	$430.00	$153.64
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	15	14	$595.00	$210.83
99231 Follow-up hospital inpatient care per day, typically 15 minutes	14	11	$118.00	$40.88
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$131.00	$48.05

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	367	249	$216.00	$77.39
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	167	143	$320.00	$113.09
45380 Biopsy of large bowel using an endoscope	121	120	$1498.00	$165.23
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	111	106	$1099.00	$120.89
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	77	77	$1684.00	$270.80
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	45	45	$1253.00	$188.06
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	32	32	$493.00	$171.41
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$322.00	$113.28
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	20	20	$1253.00	$193.39
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	18	$949.00	$104.15
99215 Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	16	15	$430.00	$151.74
99231 Follow-up hospital inpatient care per day, typically 15 minutes	15	11	$118.00	$40.72
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	13	12	$595.00	$209.19
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	12	$131.00	$47.30

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	426	298	$216.00	$73.75
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	162	138	$320.00	$108.92
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	109	105	$1099.00	$116.16
45380 Biopsy of large bowel using an endoscope	103	103	$1498.00	$138.21
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	71	71	$1684.00	$264.09
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	53	53	$1253.00	$186.55
99231 Follow-up hospital inpatient care per day, typically 15 minutes	36	27	$118.00	$39.46
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	27	27	$493.00	$162.66
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$322.00	$109.74
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	21	$131.00	$44.70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	16	16	$595.00	$204.15
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	13	13	$1253.00	$185.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	12	11	$405.00	$137.62
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$1253.00	$185.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	335	242	$216.00	$72.73
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope	131	127	$1099.00	$116.23
45380 Biopsy of large bowel using an endoscope	124	124	$1498.00	$139.19
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	121	95	$320.00	$106.45
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare	70	70	$1684.00	$261.33
G0105 Colorectal cancer screening; colonoscopy on individual at high risk	44	44	$1253.00	$177.23
99231 Follow-up hospital inpatient care per day, typically 15 minutes	39	33	$118.00	$38.86
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk	36	36	$1253.00	$172.02
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	32	32	$131.00	$44.00
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	29	22	$213.00	$71.58
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	27	27	$405.00	$135.52
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	25	25	$595.00	$200.91
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	23	23	$322.00	$108.43
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	20	20	$493.00	$163.60
43235 Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope	19	18	$949.00	$116.50
45378 Diagnostic exam of large bowel using a flexible endoscope	12	12	$1253.00	$170.26

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License MA 70787

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.

Practice Associates & Co-Workers

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

7 Associated Practitioners

Dr. Douglas Hyde , MD

Internal Medicine - Gastroenterology

NPI 1164520169

Doctor of Medicine (M.D.)

Dorothy Sassi , NP

Nurse Practitioner

NPI 1356389043

Nurse Practitioner

Mary-Laura Hohol , PA-C

Physician Assistant

NPI 1407165020

Physician Assistant (Certified)

Grace Skinner , PA-C

Physician Assistant

NPI 1457037632

Physician Assistant (Certified)

Dr. Peter Weinstein , MD

Internal Medicine - Gastroenterology

NPI 1467410308

Doctor of Medicine (M.D.)

Dr. Barry Slitzky , MD

Internal Medicine - Gastroenterology

NPI 1639263726

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 February 19, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location February 19, 2010

Registered at 299 CAREW ST, STE 419, SPRINGFIELD, MA 011042301 (Tel: 4137377951)

📍

Updated Business Mailing Address February 19, 2010

Registered at PO BOX 9132, BROOKLINE, MA 024469132 (Tel: 6039839784)

👤

Provider Name / Credentials Updated February 19, 2010

Recorded as KENNETH KOENIGS, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 19, 2010

Internal Medicine (License #70787 in MA)

🟢

Initial NPI Registration & Enumeration October 23, 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: 1194808378

Entity Type:

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

Enumeration Date: October 23, 2006

Last Update: February 19, 2010

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 9132

Brookline, MA 024469132

Phone: 6039839784

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.