NPPES file of Aug 9, 2026

Barrett Jeffrey Wallis, MD

Gastroenterology Physician · Crystal River, FL

Barrett Jeffrey Wallis, MD is a gastroenterology physician with a practice address in Crystal River, Florida, and NPI 1740220938, issued on Jun 7, 2006. Check the license (Florida ME48685, as entered in NPPES) on the Florida health license search; 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
1740220938
Name
Barrett Jeffrey Wallis
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
ME48685 FL
35.088718 OH
Self-reported in NPPES; status is on the state search
Practice location
6152 W Corporate Oaks Dr, Crystal River, FL 34429
Phone
(352) 564-3900
Enumerated
Jun 7, 2006
Record last updated
Oct 10, 2024
Fax
(352) 564-3906
Medicaid ID
001690000 FL
Medicare enrollment
Enrolled (PECOS I20100414000245); accepts Medicare assignment
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 6152 W Corporate Oaks Dr

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

  1. Kenneth Spilios, PA-CMedical Physician Assistant1760558795

Verify Barrett Jeffrey Wallis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license ME48685
    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 Florida license search

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4% more Medicare Part D claims than the average gastroenterology physician in 2024

847 Medicare Part D claims for 224 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. Barrett Wallis847
  2. Specialty average811

Most prescribed

  1. Omeprazole111 claims
  2. Famotidine71 claims
  3. Prochlorperazine Maleate59 claims
  4. Pantoprazole Sodium52 claims
  5. Dicyclomine Hcl41 claims
  6. Gavilyte-G41 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 MIPS final score for 2023 (Medicare payment program): 99.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score84.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $488.66

24 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Barrett Wallis$488.66
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. B Jeffrey Wallis MD PACrystal River, FL

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

Barrett Jeffrey Wallis among 1,513 gastroenterology physician records in Florida

Barrett Jeffrey Wallis, MD is one of 1,513 gastroenterology physician records with a practice address in Florida. 87% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 45% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 76% of these records are
  • Graduated1979 · median 2000 among the 1,156 with a school on file
  • Record last updated2024 · 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 Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 gastroenterology physician records list a practice address in Crystal River

They are 10 of the 437 NPPES records with a practice address in Crystal River, and 1,513 gastroenterology physician records in Florida.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Purnachander Bikkasani, M.D.Crystal River, FL 344291063440139
  2. Sreekanth Chandrupatla, M.D.Crystal River, FL 344291881623767
  3. Paul Hellstern, M.D.Crystal River, FL 344291649207036
  4. Siddharth Mathur, MDCrystal River, FL 344291578728986
  5. Dhruv Mehta, M.D.Crystal River, FL 344291639572134
  6. Varun Patel, MDCrystal River, FL 344291861832438
  7. Anil Ram, M.D.Crystal River, FL 344291346272549
  8. Lakshmipathi Reddi, M.D.Crystal River, FL 344291073558862

Common questions

What is Barrett Jeffrey Wallis, MD's NPI number?

Barrett Jeffrey Wallis, MD's National Provider Identifier (NPI) is 1740220938, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Barrett Jeffrey Wallis, MD located?

The NPPES record lists a practice address at 6152 W Corporate Oaks Dr, Crystal River, FL, 34429. Phone: (352) 564-3900. Providers update this record themselves, so call before visiting.

How can I verify Barrett Jeffrey Wallis, MD's license?

NPPES lists Florida license number ME48685, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Barrett Jeffrey Wallis, MD prescribe under Medicare Part D?

In 2024, Barrett Jeffrey Wallis, MD had 847 Medicare Part D claims for 224 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Barrett Jeffrey Wallis, MD's MIPS final score?

The 2023 MIPS final score is 99.9 of 100. 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.