NPPES file of Aug 9, 2026

Christopher J N Rall, MD

Gastroenterology Physician · Marshfield, WI

Christopher J N Rall, MD is a gastroenterology physician with a practice address in Marshfield, Wisconsin, and NPI 1801904784, issued on Aug 29, 2006. Check the license (Wisconsin 36622, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1801904784
Name
Christopher J N Rall
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
36622 WI
Self-reported in NPPES; status is on the state search
Practice location
1000 N Oak Ave, Marshfield, WI 54449
Phone
(715) 387-5511
Enumerated
Aug 29, 2006
Record last updated
Jan 5, 2023
Medicaid ID
32122600 WI
Medicare enrollment
Enrolled (PECOS I20100615000803); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 1988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1000 N Oak Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sheetal Aatrai, MDInternal Medicine Physician1417568965
  2. Sukaina AbbasPediatrics Physician1407529191
  3. Chady Abboud Leon, M.D.Hematology & Oncology Physician1770737744
  4. Ihab Abdalrahman, MDHospitalist Physician1497855134
  5. Raquel Abengozar Mingorance, MDStudent in an Organized Health Care Education/Training Program1609437755
  6. Aanuoluwa Abiola, M.DGeriatric Medicine (Internal Medicine) Physician1598117574

Verify Christopher J N Rall in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 36622
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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45% fewer Medicare Part D claims than the average gastroenterology physician in 2024

449 Medicare Part D claims for 146 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.

  1. Christopher Rall449
  2. Specialty average811

Most prescribed

  1. Omeprazole139 claims
  2. Pantoprazole Sodium58 claims
  3. Ursodiol31 claims
  4. Famotidine27 claims
  5. Doxepin Hcl20 claims
  6. Stelara13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score66.7
  2. Costout of 100 · 30%54.9
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Mchs Hospitals IncMarshfield, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher J N Rall among 340 gastroenterology physician records in Wisconsin

Christopher J N Rall, MD is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 44% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1988 · median 2003 among the 239 with a school on file
  • Record last updated2023 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Wisconsin

There are 340 gastroenterology physician records in Wisconsin.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Rajasekhar Bodicharla, M.DMarshfield, WI 544491760656227
  2. Seemeen Hassan, M.DMarshfield, WI 544491619264033
  3. Patricia Kuzma-Sell, MDMarshfield, WI 544491114036621
  4. Kevin Lang, MDMarshfield, WI 544491639287436
  5. Gary Mayeux, MDMarshfield, WI 544491518077684
  6. Jesus Nunez-Gornes, MDMarshfield, WI 544491356564355
  7. Roger Park, MDMarshfield, WI 544491174623409
  8. Seth Tatel, M.D.Marshfield, WI 544491144433467

Common questions

What is Christopher J N Rall, MD's NPI number?

Christopher J N Rall, MD's National Provider Identifier (NPI) is 1801904784, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Christopher J N Rall, MD located?

The NPPES record lists a practice address at 1000 N Oak Ave, Marshfield, WI, 54449. Phone: (715) 387-5511. Providers update this record themselves, so call before visiting.

How can I verify Christopher J N Rall, MD's license?

NPPES lists Wisconsin license number 36622, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher J N Rall, MD prescribe under Medicare Part D?

In 2024, Christopher J N Rall, MD had 449 Medicare Part D claims for 146 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Christopher J N Rall, MD's MIPS final score?

The 2023 MIPS final score is 78.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.