BARRETT JEFFREY WALLIS MD
NPI 1740220938
Internal Medicine - Gastroenterology in Crystal River, FL

Q: What is Barrett Wallis's NPI number?

The NPI number for Barrett Wallis is 1740220938. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Q: What is Barrett Wallis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Barrett Wallis was last updated on October 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 07, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

6152 W CORPORATE OAKS DR, CRYSTAL RIVER, FL 34429(352) 564-3900(352) 564-3906 Get Directions Write a Review

NPPES record last updated: October 10, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 10, 2024, Apr 8, 2024, Feb 21, 2022 and 1 more (4 updates tracked since 2022).

On this page

About Barrett Jeffrey Wallis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BARRETT JEFFREY WALLIS MD (NPI 1740220938) is an individual gastroenterology provider in Crystal River, Florida, licensed in Florida (ME48685) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Tampa General Hospital Crystal River, and maintains a secondary practice location in Montgomery.

NPPES Registry Identity

NPI1740220938

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameBARRETT JEFFREY WALLISCredential: MD

Location Address6152 W CORPORATE OAKS DRCrystal River, FL 34429-8722

Mailing Address835 Se 1st CtCrystal River, FL 34429-4612 · (352) 400-8000

Phone(352) 564-3900

Fax(352) 564-3906

Sole ProprietorYes

Medical School CMSOtherGraduated 1979

Enumeration DateJune 7, 2006

Last NPPES UpdateOctober 10, 20244 updates tracked since enumeration

NPPES CertifiedOctober 10, 2024

✔ NPI 1740220938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

Licenses✔ Licensed in FL · ME48685✔ Licensed in OH · 35.088718

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

6152 W CORPORATE OAKS DR, Crystal River, FL 34429

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Secondary Practice Location 1

Location 110600 Montgomery RdMontgomery, OH 45242-4463 · Phone (513) 794-5600

Other Identifiers 5

Other12042524NY · Multiplan

Other333619FL · Avmed

Medicaid001690000FL

Other146VVFL · Bcbs Of Florida

Other1299092NY · Ghi Group Health Inc

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Barrett Jeffrey Wallis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810942638

PECOS Enrollment IDI20100414000245

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 17

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

253 services86 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

155 services95 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

135 services124 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

101 services92 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

76 services49 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

65 services52 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

59 services59 patients

Measurement of liver stiffness 91200

Measurement of liver stiffness is a non-invasive procedure that helps assess the health of your liver. It uses sound waves to detect the hardness of the liver tissue, which can indicate conditions like fibrosis or cirrhosis. It's a simple, painless test that provides valuable information about your liver's health.

52 services47 patients

Ultrasound scan of organ tissue for measuring elasticity 76981

An ultrasound scan of organ tissue measures elasticity, or flexibility. This non-invasive procedure uses sound waves to create images of the inside of your body. It helps in assessing the health of various organs by detecting changes in their stiffness or softness.

51 services47 patients

Stool analysis for blood, by peroxidase activity 82272

A stool analysis for blood, by peroxidase activity, is a test to detect blood in your stool. This test helps identify bleeding in the digestive tract. It involves collecting a stool sample, which is then checked for the presence of blood using a chemical reaction.

50 services42 patients

Complete ultrasound scan of abdomen 76700

A complete ultrasound scan of the abdomen is a non-invasive imaging procedure. It uses sound waves to produce images of the organs in your abdomen, such as the liver, gallbladder, spleen, pancreas, and kidneys. It helps in diagnosing, monitoring, and planning treatments.

46 services43 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

45 services16 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

21 services20 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

20 services20 patients

Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm 43249

This procedure involves using a flexible tube with a camera, called an endoscope, to gently expand narrowed areas in your esophagus, stomach, or upper small bowel. A small balloon is inflated, making it easier for food and liquid to pass through. It's safe and effective.

19 services18 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

19 services19 patients

Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery 45384

This procedure involves using a flexible tube with a camera, called an endoscope, to view the large intestine. If any abnormal growths or polyps are found, they are removed with an electrically-heated instrument. This is a common way to prevent bowel issues.

15 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Tampa General Hospital Crystal River

Acute Care Hospitals · Crystal River, FL

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number100249

Location6201 N Suncoast BlvdCrystal River, FL 34428 · Citrus County

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34429 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$130.04 typical visit price

range $56.00 – $171.84

Typical copayment $32.51 (range $14.00 – $42.96)

Most-billed visit code 99204

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

96.33

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%367 patients5/55-star benchmark: 100%

Closing the Referral Loop: Receipt of Specialist Report

98%251 patients5/55-star benchmark: 87%

Colorectal Cancer Screening

63%487 patients3/55-star benchmark: 88%

e-Prescribing

85%336 patients1/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

97%752 patients4/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 67% · 467 patients

Patients screened: 67% · 467 patients

100%86 patients5/55-star benchmark: 100%

Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling

Patients combinedPopulations: 73% · 467 patients

Patients screened: 73% · 467 patients

99%78 patients

Provide Patients Electronic Access to Their Health Information

99%223 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

B JEFFREY WALLIS MD PA

Internal Medicine (Gastroenterology)

6152 W CORPORATE OAKS DR
CRYSTAL RIVER, FL 34429

Citrus County (352) 564-3900

QUINTESSENTIAL HEALTH SERVICES, INC

Clinic/Center (Rural Health)

6152 W CORPORATE OAKS DR
CRYSTAL RIVER, FL 34429

Citrus County (352) 794-5086

KENNETH WAYNE SPILIOS PA-C

Physician Assistant (Medical)

6152 W CORPORATE OAKS DR
CRYSTAL RIVER, FL 34429

Citrus County (352) 794-5086

MR. JOSHUA TAYLOR WILLIAMS PA-C

Physician Assistant

6152 W CORPORATE OAKS DR
CRYSTAL RIVER, FL 34429

Citrus County (352) 564-3900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Barrett Wallis's NPI number?

The NPI number for Barrett Wallis is 1740220938. It was assigned to this individual provider in the NPPES registry on June 7, 2006.

Where is Barrett Wallis located?

Barrett Wallis practices at 6152 W Corporate Oaks Dr, Crystal River, FL 34429. The listed phone number is (352) 564-3900.

What is Barrett Wallis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Barrett Wallis enrolled in Medicare?

Yes. Barrett Wallis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Barrett Wallis accept?

Health plans from Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Health First Commercial Plans, Inc. and Oscar Health Insurance list Barrett Wallis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Barrett Wallis affiliated with any hospitals?

According to CMS data, Barrett Wallis is affiliated with Tampa General Hospital Crystal River.

When was this NPI record last updated?

The NPPES record for Barrett Wallis was last updated on October 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.