DOUGLAS E RIMMER JR. M.D.
NPI 1386634590
Internal Medicine - Gastroenterology in Bossier City, LA

Q: What is the provider's specialty?

The provider's specialty is Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

Active since October 27, 2005PECOS EnrolledAccepts Medicare Assignment

2400 HOSPITAL DR STE 370, BOSSIER CITY, LA 71111(318) 631-9121(318) 549-0240 Get Directions Write a Review

NPPES record last updated: August 12, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Aug 12, 2022, Jul 31, 2019, Jun 22, 2018 (3 updates tracked since 2018).

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About Douglas E Rimmer Jr. M.d. NPPES

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

DOUGLAS E RIMMER JR. M.D. (NPI 1386634590) is an individual gastroenterology provider in Bossier City, Louisiana, licensed in Louisiana (021631) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Willis Knighton Medical Center, and is a graduate of Louisiana State University School Of Medicine In Shreveport (1992).

NPPES Registry Identity

NPI1386634590

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDOUGLAS E RIMMER JR.Credential: M.D.

Location Address2400 HOSPITAL DR STE 370Bossier City, LA 71111-2391

Mailing Address3217 Mabel StShreveport, LA 71103-4022 · (318) 631-9121 · Fax (318) 631-9126

Phone(318) 631-9121

Fax(318) 549-0240

Sole ProprietorNo

Medical School CMSLouisiana State University School Of Medicine In ShreveportGraduated 1992

Enumeration DateOctober 27, 2005

Last NPPES UpdateAugust 12, 20223 updates tracked since enumeration

NPPES CertifiedAugust 12, 2022

✔ NPI 1386634590 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in LA · 021631

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.

2400 HOSPITAL DR STE 370, Bossier City, LA 71111

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Other Identifiers 2

Medicaid1536920LA

OtherMD.021631LA · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, CHRISTUS Health Plan, HMO Louisiana.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

Douglas E Rimmer Jr. M.d. 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 ID9830101682

PECOS Enrollment IDI20100831000899

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 12

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

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.

224 services224 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.

197 services192 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.

196 services196 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

101 services35 patients

Dilation of esophagus 43450

Dilation of the esophagus is a procedure aimed to stretch or open up your esophagus (the tube connecting your mouth to your stomach) when it's narrow. It helps to improve swallowing and alleviate discomfort. It's typically performed using a flexible tube or balloon, under sedation.

83 services82 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

46 services46 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.

36 services36 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

23 services23 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

20 services19 patients

Special stained specimen slides to identify organisms including interpretation and report 88312

This service involves coloring specimen slides in a special way to help identify organisms. The colors make different parts of the organism stand out. Afterward, a detailed interpretation and report on the findings are provided.

19 services11 patients

Biopsy of lower large bowel using a flexible endoscope 45331

A biopsy of the lower large bowel involves using a flexible tube with a camera (endoscope) to examine this part of your digestive tract. Small tissue samples may be taken for further examination to detect any abnormalities.

14 services13 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.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

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

Willis Knighton Medical Center

Acute Care Hospitals · Shreveport, LA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number190111

Location2600 Greenwood RoadShreveport, LA 71103 · Caddo County

Emergency services Birthing friendly

Claiborne Memorial Medical Center

Acute Care Hospitals · Homer, LA

OwnershipGovernment - Hospital District or Authority

CMS Certification Number190114

Location620 East College StreetHomer, LA 71040 · Claiborne County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 71111 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

$124.60 typical visit price

range $53.43 – $164.73

Typical copayment $31.15 (range $13.35 – $41.18)

Most-billed visit code 99204

Established Patient

$95.09 typical visit price

range $16.64 – $133.62

Typical copayment $23.77 (range $4.16 – $33.40)

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.

Other Providers at the Same Location NPPES 5

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

WINDE R CHAMBERS DNP, APRN, FNP-BC

Nurse Practitioner (Family)