Dr. Randy J. Janczyk, MD
- Medicare services, 2024
- 568
- Medicare patients, 2024
- 285
- Part D claims, 2024
- 24
- Hospital affiliations
- 2
- Industry payments
- $147,382
- Practice address
- 3535 W 13 Mile Rd, Royal Oak, MI 48073
- Practice phone
- Call (248) 551-9100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Beaumont Orthopaedic Center
Royal Oak, Michigan
Find Dr. Janczyk'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. Randy J. Janczyk is a general surgeon in Royal Oak, Michigan
Dr. Janczyk practices at Beaumont Orthopaedic Center in Royal Oak, Michigan.
Dr. Janczyk's NPI, 1811988058, was assigned on November 4, 2005. Dr. Janczyk graduated from University of Texas Medical School at San Antonio in 1995. Dr. Janczyk holds Michigan license 4301067765.
- NPI
- 1811988058NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911037130
- NPI enumeration date
- November 4, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 551-9100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Randy J. Janczyk practices at Beaumont Orthopaedic Center in Royal Oak, Michigan
Dr. Janczyk's primary practice is Beaumont Orthopaedic Center, at 3535 W 13 Mile Rd, Royal Oak, MI 48073 in Oakland County. The practice phone is (248) 551-9100.
- Beaumont Orthopaedic Center3535 W 13 Mile Rd, Royal Oak, MI 48073 · Oakland CountyPhone(248) 551-9100
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Randy J. Janczyk is affiliated with 6 sites of care and 2 medical groups
Dr. Janczyk's primary practice is Beaumont Orthopaedic Center in Royal Oak, Michigan. Dr. Janczyk is also affiliated with Corewell Health William Beaumont University Hospital. The medical group on file is Corewell Health William Beaumont University Hospital. Dmand AI also links Dr. Janczyk to 1 more hospital, 2 group practices and clinics, 1 physician office and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Randy J. Janczyk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Janczyk practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beaumont Orthopaedic Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Randy J. Janczyk is one of 1,095 general surgeons in Michigan
Surgery is Dr. Janczyk's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Janczyk is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Janczyk
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. Randy J. Janczyk billed Medicare for 568 services in 2024
CMS data shows 568 Medicare services from Dr. Janczyk across 11 procedure codes in 2024, for 285 Medicare patients. Medicare paid $86,743 for them.
Dr. Janczyk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3282024: 51055%
- Surgery
- 2023: 652024: 5811%
Where Dr. Janczyk's Medicare services took place, 2024
- In an office9617%
- In a facility47283%
Dr. Janczyk compared with the Michigan median for general surgeons, 2024
- Dr. Janczyk
- Michigan median
- Medicare services
- 568vs 1264.5 times
- Medicare patients
- 285vs 1072.7 times
- Part D claims
- 13vs 3057% below
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Janczyk'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. Janczyk and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Randy J. Janczyk treated 285 Medicare patients in 2024, average age 72
CMS counts 285 Medicare patients who saw Dr. Janczyk in 2024. The largest group is 65 to 74, with 143 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.84, 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. Janczyk's median patient age at 62, with 41% women.
Dr. Janczyk's Medicare patients by age, 2024
Dr. Janczyk's Medicare patients by sex, 2024
- Women12444%
- Men16156%
Chronic conditions among Dr. Janczyk's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis48%
- Ischemic heart disease44%
- Chronic kidney disease37%
- Anxiety36%
- Diabetes35%
- Mood disorders33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Janczyk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Randy J. Janczyk wrote 24 Medicare Part D claims in 2024
In 2024, Dr. Janczyk wrote 24 Medicare Part D claims for 15 patients. 100% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $18 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Dr. Janczyk'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. Janczyk's Part D claims, 2024
- Opioids67%16 of 24 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: 182024: 1328%
Drugs named by CMS: 1 in 2024, 1 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. Randy J. Janczyk ranks in the 98th percentile for hernia repair (minimally invasive) in Medicare
Dr. Janczyk accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 45 procedures of hernia repair (minimally invasive) by Dr. Janczyk, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Janczyk ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 98th percentile45 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)
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. Randy J. Janczyk received $147,382 in industry payments from 2016 to 2024
CMS Open Payments shows 77 general payments to Dr. Janczyk from 7 drug and device companies from 2016 to 2024. Education make up the largest share, 94% of the total. Intuitive Surgical, Inc. paid the most, $146,976.
General payments to Dr. Janczyk by program year, 2016 to 2024
General payments to Dr. Janczyk by kind, 2016 to 2024
- Education$139,00094%
- Speaker and faculty fees$5,5004%
- Food and beverage$1,9861%
- Travel and lodging$6830%
- Gifts$2130%
Companies that paid Dr. Janczyk the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Randy J. Janczyk graduated from University of Texas Medical School at San Antonio
Dr. Janczyk graduated from University of Texas Medical School at San Antonio in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Randy J. Janczyk'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Randy J. Janczyk
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. Randy J. Janczyk's NPI number?
Dr. Randy J. Janczyk's NPI number is 1811988058. It was assigned on November 4, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Randy J. Janczyk?
Dr. Randy J. Janczyk is a general surgeon in Royal Oak, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Randy J. Janczyk practice?
Dr. Janczyk practices at 3535 W 13 Mile Rd, Royal Oak, MI 48073. Dr. Janczyk's primary practice is Beaumont Orthopaedic Center in Royal Oak, Michigan. Dmand AI also links Dr. Janczyk to 1 hospital, 2 group practices and clinics, 1 physician office and 1 medical group.
What is Dr. Randy J. Janczyk's office phone number?
The practice phone on file for Dr. Janczyk is (248) 551-9100.
What is Dr. Randy J. Janczyk's medical license number?
Dr. Janczyk holds Michigan license 4301067765.
Which hospitals is Dr. Randy J. Janczyk affiliated with?
Dr. Janczyk is affiliated with Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Janczyk to 1 more hospital.
What medical group is Dr. Randy J. Janczyk part of?
Dr. Janczyk is linked to Corewell Health William Beaumont University Hospital. Dmand AI links Dr. Janczyk to 1 more medical group.
Does Dr. Randy J. Janczyk accept Medicare?
Yes. CMS data shows Dr. Janczyk billed Medicare for 568 services in 2024, and Dr. Janczyk accepts Medicare assignment.
How many Medicare patients does Dr. Randy J. Janczyk see?
CMS counts 285 Medicare patients who saw Dr. Janczyk in 2024, with an average age of 72.
What services does Dr. Randy J. Janczyk bill to Medicare?
In 2024, Dr. Janczyk's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and critical care (99291).
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Where did Dr. Randy J. Janczyk go to medical school?
Dr. Janczyk graduated from University of Texas Medical School at San Antonio in 1995.
What drugs does Dr. Randy J. Janczyk prescribe most?
In 2024 Medicare Part D data, Dr. Janczyk's most prescribed drugs by claims were Oxycodone HCl.
Has Dr. Randy J. Janczyk received payments from drug or device companies?
CMS Open Payments shows $147,382 in general payments to Dr. Janczyk from 7 companies from 2016 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Randy J. Janczyk been practicing?
Dr. Janczyk graduated from medical school in 1995, 31 years ago.
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