Dr. Peter D. Kowynia, MD
- Medicare services, 2024
- 65
- Medicare patients, 2024
- 94
- Part D claims, 2024
- 69
- Hospital affiliations
- 2
- Industry payments
- $18,528
- Practice address
- 22101 Moross Rd, Detroit, MI 48236
- Practice phone
- Call (313) 343-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Kowynia'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. Peter D. Kowynia is a general surgeon in Detroit, Michigan
Dr. Kowynia practices at Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health.
Dr. Kowynia's NPI, 1851301352, was assigned on August 8, 2006. Dr. Kowynia graduated from Wayne State University School of Medicine in 1987. Dr. Kowynia holds Michigan license 4301051240.
- NPI
- 1851301352NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6709779911
- NPI enumeration date
- August 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (313) 343-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 65
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter D. Kowynia practices at Henry Ford St. John Hospital in Detroit, Michigan
Dr. Kowynia's primary practice is Henry Ford St. John Hospital, at 22101 Moross Rd, Detroit, MI 48236 in Wayne County. The practice phone is (313) 343-4000.
- Henry Ford St. John Hospital22101 Moross Rd, Detroit, MI 48236 · Wayne CountyPhone(313) 343-4000
Source: Dmand AI Affiliation Data
Dr. Peter D. Kowynia is affiliated with 3 sites of care and 2 medical groups
Dr. Kowynia's primary practice is Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health. Dr. Kowynia is also affiliated with Henry Ford Macomb Hospital. The medical group on file is Henry Ford St. John Hospital. Dmand AI also links Dr. Kowynia to 1 more physician office 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. Peter D. Kowynia's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kowynia practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Henry Ford St. John Hospital | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Henry Ford Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Peter D. Kowynia is one of 1,095 general surgeons in Michigan
Surgery is Dr. Kowynia's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Kowynia is licensed in Michigan.
Specialties and state licenses
- Surgery, MichiganPrimary
General surgeons near Dr. Kowynia
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. Peter D. Kowynia billed Medicare for 65 services in 2024
CMS data shows 65 Medicare services from Dr. Kowynia across 3 procedure codes in 2024, for 94 Medicare patients. Medicare paid $5,810 for them.
Dr. Kowynia's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1142024: 5254%
- Other services
- 2023: 02024: 13
Where Dr. Kowynia's Medicare services took place, 2024
- In an office2031%
- In a facility4569%
Dr. Kowynia compared with the Michigan median for general surgeons, 2024
- Dr. Kowynia
- Michigan median
- Medicare services
- 65vs 12648% below
- Medicare patients
- 94vs 10712% below
- Part D claims
- 40vs 3033% above
Medians across 1,046 general surgeons in Michigan with Dmand AI profiles that report each measure.
Dr. Kowynia'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. Kowynia and other general surgeons in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter D. Kowynia treated 94 Medicare patients in 2024, average age 70
CMS counts 94 Medicare patients who saw Dr. Kowynia in 2024. The largest group is 65 to 74, with 48 patients. 75% of them have high blood pressure, and 74% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.66, 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. Kowynia's median patient age at 61, with 45% women.
Dr. Kowynia's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kowynia's Medicare patients by sex, 2024
- Women4245%
- Men5255%
Chronic conditions among Dr. Kowynia's Medicare patients, 2024
- High blood pressure75%
- High cholesterol74%
- Arthritis60%
- COPD49%
- Ischemic heart disease44%
- Diabetes39%
- Chronic kidney disease34%
- Heart failure30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kowynia's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women45%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Peter D. Kowynia wrote 69 Medicare Part D claims in 2024
In 2024, Dr. Kowynia wrote 69 Medicare Part D claims for 46 patients. 100% of them were for generic drugs. CMS names the drug for 40 of them, across 2 drugs with 11 or more claims each, at $110 in total drug cost. In 2023, CMS named 41 claims across 1 drug.
Dr. Kowynia'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. Kowynia's Part D claims, 2024
- Opioids43%30 of 69 claims
- Antibiotics39%27 of 69 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: 412024: 402%
Drugs named by CMS: 2 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. Peter D. Kowynia ranks in the 92nd percentile for hernia repair - groin (open) in Medicare
Dr. Kowynia accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 13 procedures of hernia repair - groin (open) by Dr. Kowynia, more than 92% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Kowynia ranks in Medicare procedure volume
- Colonoscopy
- 53rd percentile28 procedures
- Hernia repair - groin (open)
- 92nd percentile13 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 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)
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. Peter D. Kowynia received $18,528 in industry payments from 2016 to 2023
CMS Open Payments shows 41 general payments to Dr. Kowynia from 8 drug and device companies from 2016 to 2023. Education make up the largest share, 76% of the total. Intuitive Surgical, Inc. paid the most, $17,896.
General payments to Dr. Kowynia by program year, 2016 to 2023
General payments to Dr. Kowynia by kind, 2016 to 2023
- Education$14,00076%
- Travel and lodging$3,15517%
- Food and beverage$1,2227%
- Speaker and faculty fees$1501%
Companies that paid Dr. Kowynia the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Peter D. Kowynia graduated from Wayne State University School of Medicine
Dr. Kowynia graduated from Wayne State University School of Medicine in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Peter D. Kowynia'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. Peter D. Kowynia
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. Peter D. Kowynia's NPI number?
Dr. Peter D. Kowynia's NPI number is 1851301352. It was assigned on August 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter D. Kowynia?
Dr. Peter D. Kowynia is a general surgeon in Detroit, Michigan. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Peter D. Kowynia practice?
Dr. Kowynia practices at 22101 Moross Rd, Detroit, MI 48236. Dr. Kowynia's primary practice is Henry Ford St. John Hospital in Detroit, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Kowynia to 1 physician office and 1 medical group.
What is Dr. Peter D. Kowynia's office phone number?
The practice phone on file for Dr. Kowynia is (313) 343-4000.
What is Dr. Peter D. Kowynia's medical license number?
Dr. Kowynia holds Michigan license 4301051240.
Which hospitals is Dr. Peter D. Kowynia affiliated with?
Dr. Kowynia practices at Henry Ford St. John Hospital in Detroit, Michigan. Dr. Kowynia is also affiliated with Henry Ford Macomb Hospital.
What medical group is Dr. Peter D. Kowynia part of?
Dr. Kowynia is linked to Henry Ford St. John Hospital. Dmand AI links Dr. Kowynia to 1 more medical group.
Does Dr. Peter D. Kowynia accept Medicare?
Yes. CMS data shows Dr. Kowynia billed Medicare for 65 services in 2024, and Dr. Kowynia accepts Medicare assignment.
How many Medicare patients does Dr. Peter D. Kowynia see?
CMS counts 94 Medicare patients who saw Dr. Kowynia in 2024, with an average age of 70.
What services does Dr. Peter D. Kowynia bill to Medicare?
In 2024, Dr. Kowynia's most billed Medicare services were hospital inpatient care (99232), office visit, new patient (99203) and medicare service (G0121).
Show 4 more questionsShow fewer questions
Where did Dr. Peter D. Kowynia go to medical school?
Dr. Kowynia graduated from Wayne State University School of Medicine in 1987.
What drugs does Dr. Peter D. Kowynia prescribe most?
In 2024 Medicare Part D data, Dr. Kowynia's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Sulfamethoxazole-Trimethoprim.
Has Dr. Peter D. Kowynia received payments from drug or device companies?
CMS Open Payments shows $18,528 in general payments to Dr. Kowynia from 8 companies from 2016 to 2023. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Peter D. Kowynia been practicing?
Dr. Kowynia graduated from medical school in 1987, 39 years ago.
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