Dr. Kenneth A. Hacker, MD
- Medicare services, 2024
- 191
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 167
- Hospital affiliations
- 2
- Industry payments
- $131,107
- Practice address
- 10 Hospital Dr, Saint Peters, MO 63376
- Practice phone
- Call (636) 916-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hacker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kenneth A. Hacker is a general surgeon in Saint Peters, Missouri
Dr. Hacker practices at Barnes-Jewish St. Peters Hospital in Saint Peters, Missouri, part of BJC Health.
Dr. Hacker's NPI, 1164484994, was assigned on April 5, 2006. Dr. Hacker graduated from Creighton University School of Medicine in 1988. Dr. Hacker holds Missouri license R5N50.
- NPI
- 1164484994NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991775728
- NPI enumeration date
- April 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (636) 916-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 64
- Medical school graduation
- 1988
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kenneth A. Hacker practices at Barnes-Jewish St. Peters Hospital in Saint Peters, Missouri
Dr. Hacker's primary practice is Barnes-Jewish St. Peters Hospital, at 10 Hospital Dr, Saint Peters, MO 63376 in St. Charles County. The practice phone is (636) 916-9000.
- Barnes-Jewish St. Peters Hospital10 Hospital Dr, Saint Peters, MO 63376 · St. Charles CountyPhone(636) 916-9000
Source: Dmand AI Affiliation Data
Dr. Kenneth A. Hacker is affiliated with 4 sites of care and 2 medical groups
Dr. Hacker's primary practice is Barnes-Jewish St. Peters Hospital in Saint Peters, Missouri, part of BJC Health. Dr. Hacker is also affiliated with Progress West Hospital. The medical group on file is Benrus Surgical Associates. Dmand AI also links Dr. Hacker to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kenneth A. Hacker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hacker practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Barnes-Jewish St. Peters Hospital | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kenneth A. Hacker is one of 593 general surgeons in Missouri
Surgery is Dr. Hacker's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Hacker is licensed in Missouri.
Specialties and state licenses
- Surgery, MissouriPrimary
General surgeons near Dr. Hacker
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kenneth A. Hacker billed Medicare for 191 services in 2024
CMS data shows 191 Medicare services from Dr. Hacker across 9 procedure codes in 2024, for 159 Medicare patients. Medicare paid $28,370 for them.
Dr. Hacker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2582024: 15341%
- Surgery
- 2023: 332024: 3815%
Where Dr. Hacker's Medicare services took place, 2024
- In an office9148%
- In a facility10052%
Dr. Hacker compared with the Missouri median for general surgeons, 2024
- Dr. Hacker
- Missouri median
- Medicare services
- 191vs 16913% above
- Medicare patients
- 159vs 12725% above
- Part D claims
- 115vs 412.8 times
Medians across 570 general surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Hacker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hacker and other general surgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kenneth A. Hacker treated 159 Medicare patients in 2024, average age 73
CMS counts 159 Medicare patients who saw Dr. Hacker in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.82, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hacker's median patient age at 66, with 37% women.
Dr. Hacker's Medicare patients by age, 2024
Dr. Hacker's Medicare patients by sex, 2024
- Women6541%
- Men9459%
Chronic conditions among Dr. Hacker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes38%
- Anxiety36%
- Ischemic heart disease35%
- Chronic kidney disease33%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hacker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women37%
- Men62%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kenneth A. Hacker wrote 167 Medicare Part D claims in 2024
In 2024, Dr. Hacker wrote 167 Medicare Part D claims for 144 patients. 95% of them were for generic drugs. CMS names the drug for 115 of them, across 2 drugs with 11 or more claims each, at $601 in total drug cost. In 2023, CMS named 164 claims across 3 drugs.
Dr. Hacker's Part D claims by kind of drug, 2024
- Generic159 claims95%
- Brand-name and other8 claims5%
Dr. Hacker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hacker's Part D claims, 2024
- Opioids78%130 of 167 claims
- Antibiotics9%15 of 167 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1642024: 11530%
Drugs named by CMS: 2 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Kenneth A. Hacker ranks in the 86th percentile for hernia repair (minimally invasive) in Medicare
Dr. Hacker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of hernia repair (minimally invasive) by Dr. Hacker, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Hacker ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 86th percentile18 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Kenneth A. Hacker received $131,107 in industry payments from 2016 to 2025
CMS Open Payments shows 296 general payments to Dr. Hacker from 33 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 48% of the total. Davol Inc. paid the most, $83,437. It also lists 1 research payment totaling $593 in 2017.
General payments to Dr. Hacker by program year, 2016 to 2025
General payments to Dr. Hacker by kind, 2016 to 2025
- Honoraria$62,50048%
- Education$36,75428%
- Travel and lodging$18,02314%
- Food and beverage$10,7518%
- Other$2,9002%
Companies that paid Dr. Hacker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kenneth A. Hacker graduated from Creighton University School of Medicine
Dr. Hacker graduated from Creighton University School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kenneth A. Hacker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Kenneth A. Hacker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Kenneth A. Hacker's NPI number?
Dr. Kenneth A. Hacker's NPI number is 1164484994. It was assigned on April 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth A. Hacker?
Dr. Kenneth A. Hacker is a general surgeon in Saint Peters, Missouri. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Kenneth A. Hacker practice?
Dr. Hacker practices at 10 Hospital Dr, Saint Peters, MO 63376. Dr. Hacker's primary practice is Barnes-Jewish St. Peters Hospital in Saint Peters, Missouri, part of BJC Health. Dmand AI also links Dr. Hacker to 2 group practices and clinics and 1 medical group.
What is Dr. Kenneth A. Hacker's office phone number?
The practice phone on file for Dr. Hacker is (636) 916-9000.
What is Dr. Kenneth A. Hacker's medical license number?
Dr. Hacker holds Missouri license R5N50.
Which hospitals is Dr. Kenneth A. Hacker affiliated with?
Dr. Hacker practices at Barnes-Jewish St. Peters Hospital in Saint Peters, Missouri. Dr. Hacker is also affiliated with Progress West Hospital.
What medical group is Dr. Kenneth A. Hacker part of?
Dr. Hacker is linked to Benrus Surgical Associates. Dmand AI links Dr. Hacker to 1 more medical group.
Does Dr. Kenneth A. Hacker accept Medicare?
Yes. CMS data shows Dr. Hacker billed Medicare for 191 services in 2024, and Dr. Hacker accepts Medicare assignment.
How many Medicare patients does Dr. Kenneth A. Hacker see?
CMS counts 159 Medicare patients who saw Dr. Hacker in 2024, with an average age of 73.
What services does Dr. Kenneth A. Hacker bill to Medicare?
In 2024, Dr. Hacker's most billed Medicare services were hospital inpatient care (99231), office visit, new patient (99203) and office visit, new patient (99204).
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Where did Dr. Kenneth A. Hacker go to medical school?
Dr. Hacker graduated from Creighton University School of Medicine in 1988.
What drugs does Dr. Kenneth A. Hacker prescribe most?
In 2024 Medicare Part D data, Dr. Hacker's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Oxycodone-Acetaminophen.
Has Dr. Kenneth A. Hacker received payments from drug or device companies?
CMS Open Payments shows $131,107 in general payments to Dr. Hacker from 33 companies from 2016 to 2025. The largest total came from Davol Inc.
How long has Dr. Kenneth A. Hacker been practicing?
Dr. Hacker graduated from medical school in 1988, 38 years ago.
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