Active NPI 1164484994 Individual Practitioner Male Practitioner

Dr. Kenneth A Hacker , MD

Surgery • Saint Peters, MO

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Kenneth Hacker, MD is a certified Surgery practicing in Saint Peters, MO. With approximately 38 years of clinical experience since graduating from Creighton University School Of Medicine in 1988, Dr. Hacker delivers high-quality medical care to the local community at 70 JUNGERMANN CIR STE 405.

Dr. Hacker is affiliated with Bjsph Physician Billing Services, Llc and accepts Medicare assignment.

Frequently performed procedures and clinical services include follow-up hospital inpatient care per day, new patient outpatient office visit, established patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

70 Jungermann Cir Ste 405

Saint Peters, MO 633761637

Telephone 6369167100

Fax 6369167110

Medicare Profile & Education

Medical School

Creighton University School Of Medicine

Graduation Year

1988

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Saint Peters, MO

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

38 Yrs +11.4 yrs vs City Avg

City Avg: 26.6 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

5 Specialists

Practicing in Saint Peters, MO (766 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

73.0% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Hacker (38 Years) 38 Yrs

Saint Peters Specialty Average (26.6 Years) 26.6 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
99231 Follow-up hospital inpatient care per day, typically 15 minutes	39	31	$87.38	$47.44
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	28	28	$220.00	$107.11
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	28	28	$339.00	$155.96
99213 Established patient office or other outpatient visit, typically 15 minutes	23	23	$187.00	$87.18
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	23	23	$416.00	$165.90
49650 Repair of groin hernia using an endoscope	16	16	$1954.31	$451.43
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	12	11	$106.25	$51.57
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	11	11	$3187.00	$676.38
49594 Initial repair of entrapped hernia of abdomen, 3-10 cm in length	11	11	$2076.00	$568.34

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	48	32	$83.00	$48.40
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	45	45	$336.00	$162.14
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	37	32	$150.00	$77.04
99213 Established patient office or other outpatient visit, typically 15 minutes	27	26	$150.00	$87.73
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	22	22	$220.00	$106.12
49650 Repair of groin hernia using an endoscope	20	20	$2045.85	$432.42
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	20	20	$403.85	$169.04
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	16	$90.00	$54.90
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	17	17	$281.00	$126.71
99202 New patient office or other outpatient visit, typically 20 minutes	14	14	$153.00	$70.38
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	13	13	$2642.00	$693.70
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	11	11	$219.00	$124.06

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	76	39	$80.00	$37.82
99202 New patient office or other outpatient visit, typically 20 minutes	51	51	$147.00	$71.48
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	31	26	$86.00	$55.87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	28	28	$271.00	$129.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	25	25	$212.00	$103.96
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	17	17	$2552.00	$682.55
49653 Repair of trapped hernia using an endoscope	15	14	$2388.75	$893.36
49650 Repair of groin hernia using an endoscope	14	14	$2331.57	$429.82
99221 Initial hospital inpatient care per day, typically 30 minutes	12	11	$195.00	$98.19

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	108	55	$78.00	$37.95
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	40	38	$263.00	$134.37
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	39	39	$205.00	$108.35
99202 New patient office or other outpatient visit, typically 20 minutes	31	31	$142.00	$71.65
49650 Repair of groin hernia using an endoscope	26	26	$2131.84	$461.45
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	18	18	$2381.63	$691.43
99213 Established patient office or other outpatient visit, typically 15 minutes	17	17	$139.00	$91.03

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	71	44	$75.00	$39.50
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	42	41	$255.00	$138.24
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	32	32	$199.00	$107.12
99213 Established patient office or other outpatient visit, typically 15 minutes	18	18	$134.00	$70.95
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	17	15	$80.00	$45.15
99202 New patient office or other outpatient visit, typically 20 minutes	17	17	$137.00	$75.68
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	17	17	$2405.00	$736.80
49650 Repair of groin hernia using an endoscope	12	12	$1752.83	$443.01

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	74	44	$72.00	$39.06
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	44	43	$247.00	$133.10
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	34	34	$193.00	$106.46
99202 New patient office or other outpatient visit, typically 20 minutes	26	26	$133.00	$72.84
99204 New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	21	21	$295.00	$162.18
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	20	20	$2334.00	$703.13
99213 Established patient office or other outpatient visit, typically 15 minutes	18	16	$130.00	$72.72
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	13	12	$192.00	$106.71
49505 Repair of groin hernia (5 years or older)	12	12	$1592.50	$544.02

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	92	57	$70.00	$37.85
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	51	51	$240.00	$131.93
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	38	38	$187.00	$103.20
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	28	28	$2266.00	$706.07
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	21	20	$75.00	$41.75
99202 New patient office or other outpatient visit, typically 20 minutes	18	18	$129.00	$68.14

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99231 Follow-up hospital inpatient care per day, typically 15 minutes	70	37	$73.00	$37.68
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes	43	42	$251.00	$131.30
99203 New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more	37	37	$196.00	$102.59
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	36	32	$79.00	$41.16
99202 New patient office or other outpatient visit, typically 20 minutes	27	27	$135.00	$71.06
47563 Removal of gallbladder with x-ray study of bile ducts using an endoscope	20	20	$2165.00	$700.35
99213 Established patient office or other outpatient visit, typically 15 minutes	13	13	$132.00	$69.33
99221 Initial hospital inpatient care per day, typically 30 minutes	12	12	$187.00	$97.45

Medical Specialties & State Licenses

CMS Verified: 2026-06-23

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MO R5N50

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

203711015 (MO)

Commercial Insurance / Payer ID Aetna

4337092

Commercial Insurance / Payer ID Great West

088443

Commercial Insurance / Payer ID Prudential

430910980007

Commercial Insurance / Payer ID Exclusive Choice

017069

Commercial Insurance / Payer ID Railroad Medicare

020029159

Commercial Insurance / Payer ID Care Partner

1053235

Commercial Insurance / Payer ID Ghp

1328V2907

Commercial Insurance / Payer ID United Healthcare

1700152

Commercial Insurance / Payer ID Blue Cross Blue Shield

986C2 (MO)

Hospital & Practice Group Affiliations

Bjsph Physician Billing Services, Llc

70 Jungermann Cir, Saint Peters, MO 633761637

Phone: 6369167100

Practice Associates & Co-Workers

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

5 Associated Practitioners

Dr. Laurel Yeager , MD

Surgery

NPI 1174585160

Doctor of Medicine (M.D.)

Dr. Jerad Miller , MD

Surgery

NPI 1205878279

Doctor of Medicine (M.D.)

Dr. Jennifer Etling , MD

Surgery

NPI 1528020328

Doctor of Medicine (M.D.)

Dr. Kurt Piening , MD

Surgery

NPI 1689169559

Doctor of Medicine (M.D.)

Melissa Franke , FNP

Nurse Practitioner - Family

NPI 1811611494

Family Nurse Practitioner

Career & Practice History Timeline

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

8 Historical Events

📍

Updated Practice Location June 23, 2026

Registered at 70 JUNGERMANN CIR STE 405, SAINT PETERS, MO 633761637 (Tel: 6369167100)

📍

Updated Business Mailing Address June 23, 2026

Registered at 70 JUNGERMANN CIR STE 405, SAINT PETERS, MO 633761637 (Tel: 6369167100)

✅

NPI Profile Active June 04, 2010

NPI status registered as active in NPPES database

📍

Updated Practice Location June 04, 2010

Registered at 6 JUNGERMANN CIRCLE, STE 205, ST PETERS, MO 63376 (Tel: 6364412122)

📍

Updated Business Mailing Address June 04, 2010

Registered at 6 JUNGERMANN CIRCLE, STE 205, ST PETERS, MO 63376 (Tel: 6364412122)

👤

Provider Name / Credentials Updated June 04, 2010

Recorded as KENNETH HACKER, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) June 04, 2010

Surgery (License #R5N50 in MO)

🟢

Initial NPI Registration & Enumeration April 05, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1164484994

Entity Type:

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

Enumeration Date: April 05, 2006

Last Update: June 23, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

70 Jungermann Cir Ste 405

Saint Peters, MO 633761637

Phone: 6369167100

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.