Deglutition DisordersEsophagitisLymphocytosis
Dr. Christopher J N Rall, MD
NPI1801904784PAC ID4981734001
- Medicare services, 2024
- 556
- Medicare patients, 2024
- 265
- Part D claims, 2024
- 449
- Publications
- 2
- MIPS score, 2024
- 81
- Practice address
- 1000 N Oak Ave, Marshfield, WI 54449
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marshfield Center Ambulatory Surgical Center - HOPD
Acute Care Hospital outpatient department · Marshfield, Wisconsin
Find Dr. Rall's professional email, personal email and mobile number
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Dr. Christopher J N Rall is a gastroenterologist in Marshfield, Wisconsin
Dr. Rall practices at Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin.
Dr. Rall's NPI, 1801904784, was assigned on August 29, 2006. Dr. Rall graduated from Virginia Commonwealth University, School of Medicine in 1988. Dr. Rall holds Wisconsin license 36622.
NPI and contact details
- NPI
- 1801904784NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981734001
- NPI enumeration date
- August 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- 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. Christopher J N Rall practices at Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin
Dr. Rall's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD, at 1000 N Oak Ave, Marshfield, WI 54449.
- Marshfield Center Ambulatory Surgical Center - HOPD1000 N Oak Ave, Marshfield, WI 54449
Source: Dmand AI Affiliation Data
Dr. Christopher J N Rall is affiliated with 5 sites of care and 2 medical groups
Dr. Rall's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin. Dr. Rall is also affiliated with Marshfield Medical Center - Marshfield. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Rall to 1 more hospital, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Rall's employer is on file too: a hospital.
Marshfield Center Ambulatory Surgical Center - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Christopher J N Rall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rall practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Center Ambulatory Surgical Center - HOPD | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher J N Rall is one of 277 gastroenterologists in Wisconsin
Gastroenterology is Dr. Rall's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Rall is licensed in Wisconsin.
Specialties and state licenses
- Gastroenterology, WisconsinPrimary
Gastroenterologists near Dr. Rall
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
277gastroenterologists in Wisconsin
5gastroenterologists in Marshfield
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Christopher J N Rall billed Medicare for 556 services in 2024
CMS data shows 556 Medicare services from Dr. Rall across 8 procedure codes in 2024, for 265 Medicare patients. Medicare paid $40,486 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024556
Medicare patients265
Paid by Medicare$40,486
Procedure codes8
Dr. Rall's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 3172024: 2986%
- Other services
- 2023: 2582024: 258No change
Dr. Rall compared with the Wisconsin median for gastroenterologists, 2024
- Dr. Rall
- Wisconsin median
- Medicare services
- 556vs 32969% above
- Medicare patients
- 265vs 258Close to median
- Part D claims
- 346vs 42919% below
Medians across 278 gastroenterologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Rall'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. Rall and other gastroenterologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher J N Rall treated 265 Medicare patients in 2024, average age 70
CMS counts 265 Medicare patients who saw Dr. Rall in 2024. The largest group is 65 to 74, with 151 patients. 72% of them have high cholesterol, and 67% have high blood pressure. 19% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Rall's median patient age at 67, with 53% women.
Medicare patients, 2024265
Average age70
Average risk score0.99
Also on Medicaid19%
Dr. Rall's Medicare patients by age, 2024
Dr. Rall's Medicare patients by sex, 2024
- Women13149%
- Men13451%
Chronic conditions among Dr. Rall's Medicare patients, 2024
- High cholesterol72%
- High blood pressure67%
- Arthritis35%
- Diabetes23%
- Anxiety22%
- Ischemic heart disease22%
- Mood disorders20%
- Depression17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher J N Rall wrote 449 Medicare Part D claims in 2024
In 2024, Dr. Rall wrote 449 Medicare Part D claims for 146 patients. 87% of them were for generic drugs. CMS names the drug for 346 of them, across 11 drugs with 11 or more claims each, at $505,891 in total drug cost. In 2023, CMS named 231 claims across 7 drugs.
Part D claims, 2024449
Drugs named by CMS11
Total drug cost$505,891
Part D patients146
Dr. Rall's Part D claims by kind of drug, 2024
- Generic389 claims87%
- Brand-name60 claims13%
Dr. Rall'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. Rall's Part D claims, 2024
- Antibiotics2%11 of 449 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: 2312024: 34650%
Drugs named by CMS: 11 in 2024, 7 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. Christopher J N Rall scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Rall for performance year 2024, reported as part of a group. Dr. Rall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 125 procedures of colonoscopy by Dr. Rall, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Rall's MIPS scores, performance year 2024
- 81of 100Final score
- 55.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Rall ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 82nd percentile131 procedures
- Colonoscopy
- 85th percentile125 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Christopher J N Rall has 2 publications on record
Dmand AI links 2 papers to Dr. Rall in 2011. Dr. Rall's most frequent co-authors are Abie J. John, MD, Yusuf Kasirye, MD and Steven H. Yale, MD.
Papers2
Dr. Rall's most frequent co-authors
Recent publications by Dr. Rall
See who Dr. Rall researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Rall works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher J N Rall received $208 in industry payments from 2016 to 2025
CMS Open Payments shows 2 general payments to Dr. Rall from 2 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $108.
General payments to Dr. Rall by program year, 2016 to 2025
Companies that paid Dr. Rall 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. Christopher J N Rall graduated from Virginia Commonwealth University, School of Medicine
Dr. Rall graduated from Virginia Commonwealth University, School of Medicine in 1988.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher J N Rall'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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) |
| 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. Christopher J N Rall
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. Christopher J N Rall's NPI number?
Dr. Christopher J N Rall's NPI number is 1801904784. It was assigned on August 29, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher J N Rall?
Dr. Christopher J N Rall is a gastroenterologist in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Christopher J N Rall practice?
Dr. Rall practices at 1000 N Oak Ave, Marshfield, WI 54449. Dr. Rall's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin. Dmand AI also links Dr. Rall to 1 hospital, 2 group practices and clinics and 1 medical group.
What is Dr. Christopher J N Rall's medical license number?
Dr. Rall holds Wisconsin license 36622.
Which hospitals is Dr. Christopher J N Rall affiliated with?
Dr. Rall is affiliated with Marshfield Medical Center - Marshfield. Dmand AI links Dr. Rall to 1 more hospital.
What medical group is Dr. Christopher J N Rall part of?
Dr. Rall is linked to Marshfield Clinic Health System. Dmand AI links Dr. Rall to 1 more medical group.
Does Dr. Christopher J N Rall accept Medicare?
Yes. CMS data shows Dr. Rall billed Medicare for 556 services in 2024, and Dr. Rall accepts Medicare assignment.
What is Dr. Christopher J N Rall's MIPS score?
Dr. Rall's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Christopher J N Rall see?
CMS counts 265 Medicare patients who saw Dr. Rall in 2024, with an average age of 70.
What services does Dr. Christopher J N Rall bill to Medicare?
In 2024, Dr. Rall's most billed Medicare services were medicare service (G0500), surgery: digestive system (45385) and surgery: digestive system (45380).
Show 6 more questionsShow fewer questions
Where did Dr. Christopher J N Rall go to medical school?
Dr. Rall graduated from Virginia Commonwealth University, School of Medicine in 1988.
What drugs does Dr. Christopher J N Rall prescribe most?
In 2024 Medicare Part D data, Dr. Rall's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Ursodiol.
Has Dr. Christopher J N Rall received payments from drug or device companies?
CMS Open Payments shows $208 in general payments to Dr. Rall from 2 companies from 2016 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Christopher J N Rall been practicing?
Dr. Rall graduated from medical school in 1988, 38 years ago.
Does Dr. Christopher J N Rall do research?
Dmand AI links 2 publications to Dr. Rall.
Who does Dr. Christopher J N Rall publish with?
Dr. Rall's most frequent co-authors are Abie J. John, MD (1 shared paper), Yusuf Kasirye, MD (1 shared paper) and Steven H. Yale, MD (1 shared paper).
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