Int J Cardiol
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Dr. Peter H. Marks, MD
NPI1558327320
- Medicare services, 2017
- 56
- Part D claims, 2017
- 11
- Publications
- 1
- Hospital affiliations
- 1
- Industry payments
- $1,252
- Practice address
- 1969 W Hart Rd, Beloit, WI 53511
- Practice phone
- Call (608) 364-5011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Marks' professional email, personal email and mobile number
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Dr. Peter H. Marks is a cardiothoracic surgeon in Beloit, Wisconsin
Dr. Marks practices at Beloit Memorial Hospital in Beloit, Wisconsin, part of Beloit Health System.
Dr. Marks' NPI, 1558327320, was assigned on April 21, 2006. Dr. Marks holds Wisconsin license 45518-20.
NPI and contact details
- NPI
- 1558327320NPI Registry (opens in a new tab)
- NPI enumeration date
- April 21, 2006
- NPI status
- Active
- Practice phone
- (608) 364-5011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter H. Marks practices at Beloit Memorial Hospital in Beloit, Wisconsin
Dr. Marks' primary practice is Beloit Memorial Hospital, at 1969 W Hart Rd, Beloit, WI 53511 in Rock County. The practice phone is (608) 364-5011.
- Beloit Memorial Hospital1969 W Hart Rd, Beloit, WI 53511 · Rock CountyPhone(608) 364-5011
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Peter H. Marks is affiliated with 1 site of care and 1 medical group
Dr. Marks' primary practice is Beloit Memorial Hospital in Beloit, Wisconsin, part of Beloit Health System. The medical group on file is Beloit Health System.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Peter H. Marks' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marks practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Beloit Memorial Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every hospital where Dr. Marks practices
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Dr. Peter H. Marks is one of 97 cardiothoracic surgeons in Wisconsin
Thoracic surgery (cardiothoracic vascular surgery) is Dr. Marks' primary specialty in the NPI Registry, under taxonomy code 208G00000X. Dmand AI has Dr. Marks' licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Thoracic surgery (cardiothoracic vascular surgery), WisconsinPrimary
- Illinois license
Cardiothoracic surgeons near Dr. Marks
Counts of cardiothoracic 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 H. Marks billed Medicare for 56 services in 2017
CMS data shows 56 Medicare services from Dr. Marks across 3 procedure codes in 2017. Medicare paid $617 for them.
Medicare services, 201756
Paid by Medicare$617
Procedure codes3
Dr. Marks' Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 702017: 3057%
- Surgery
- 2016: 302017: 1550%
- Tests and treatments
- 2016: 02017: 11
Where Dr. Marks' Medicare services took place, 2017
- In an office4173%
- In a facility1527%
Dr. Marks compared with the Wisconsin median for cardiothoracic surgeons, 2017
- Dr. Marks
- Wisconsin median
- Medicare services
- 56vs 7020% below
- Part D claims
- 11vs 2250% below
Medians across 92 cardiothoracic surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Marks' most billed Medicare procedure codes, 2017
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Marks?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marks and other cardiothoracic surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Peter H. Marks' patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Marks' median patient age at 69, with 100% women.
Dr. Marks' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Peter H. Marks wrote 11 Medicare Part D claims in 2017
In 2017, Dr. Marks wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $155 in total drug cost. In 2016, CMS named 29 claims across 2 drugs.
Part D claims, 201711
Drugs named by CMS1
Total drug cost$155
Dr. Marks' most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 292017: 1162%
Drugs named by CMS: 1 in 2017, 2 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Peter H. Marks has 1 publication on record
Dmand AI links 1 paper to Dr. Marks in 2011. Dr. Marks' most frequent co-authors are Benjamin Michael Busman, DO and Akrivi Manola, MD.
Papers1
Dr. Marks' most frequent co-authors
Recent publications by Dr. Marks
See who Dr. Marks researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marks works with, so you can find a warm path to the right cardiothoracic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Peter H. Marks received $1,252 in industry payments from 2016 to 2019
CMS Open Payments shows 89 general payments to Dr. Marks from 21 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 99% of the total. Janssen Pharmaceuticals, Inc paid the most, $260.
General payments to Dr. Marks by program year, 2016 to 2019
General payments to Dr. Marks by kind, 2016 to 2019
$1.3Kin total
- Food and beverage$1,23599%
- Entertainment$171%
Companies that paid Dr. Marks the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Peter H. Marks'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 H. Marks
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 H. Marks' NPI number?
Dr. Peter H. Marks' NPI number is 1558327320. It was assigned on April 21, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Peter H. Marks?
Dr. Peter H. Marks is a cardiothoracic surgeon in Beloit, Wisconsin. The primary specialty in the NPI Registry is Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (taxonomy code 208G00000X).
Where does Dr. Peter H. Marks practice?
Dr. Marks practices at 1969 W Hart Rd, Beloit, WI 53511. Dr. Marks' primary practice is Beloit Memorial Hospital in Beloit, Wisconsin, part of Beloit Health System.
What is Dr. Peter H. Marks' office phone number?
The practice phone on file for Dr. Marks is (608) 364-5011.
What is Dr. Peter H. Marks' medical license number?
Dr. Marks holds Wisconsin license 45518-20, one of the licenses on file in 2 states.
Which states has Dr. Peter H. Marks been licensed in?
Dmand AI has state licenses on file for Dr. Marks in Wisconsin and Illinois.
Which hospitals is Dr. Peter H. Marks affiliated with?
Dr. Marks practices at Beloit Memorial Hospital in Beloit, Wisconsin.
What medical group is Dr. Peter H. Marks part of?
Dr. Marks is linked to Beloit Health System.
Does Dr. Peter H. Marks accept Medicare?
Yes. CMS data shows Dr. Marks billed Medicare for 56 services in 2017.
What services does Dr. Peter H. Marks bill to Medicare?
In 2017, Dr. Marks' most billed Medicare services were office visit, established patient (99211), surgery: heart and blood vessels (33508) and medical service (99201).
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What drugs does Dr. Peter H. Marks prescribe most?
In 2017 Medicare Part D data, Dr. Marks' most prescribed drugs by claims were Metoprolol Tartrate.
Has Dr. Peter H. Marks received payments from drug or device companies?
CMS Open Payments shows $1,252 in general payments to Dr. Marks from 21 companies from 2016 to 2019. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Peter H. Marks been practicing?
Dr. Marks' NPI was assigned in 2006.
Does Dr. Peter H. Marks do research?
Dmand AI links 1 publication to Dr. Marks.
Who does Dr. Peter H. Marks publish with?
Dr. Marks' most frequent co-authors are Benjamin Michael Busman, DO (1 shared paper) and Akrivi Manola, MD (1 shared paper).
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