CARL RAY DETTWILER MD
NPI 1285623819
Specialist in Lewiston, ID

Q: What is Carl Dettwiler's NPI number?

The NPI number for Carl Dettwiler is 1285623819. It was assigned to this individual provider in the NPPES registry on October 17, 2005. The provider is also known as Prof. Carl Ray Dettwiler M.D..

Q: What is Carl Dettwiler's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Carl Dettwiler was last updated on December 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since October 17, 2005PECOS EnrolledAccepts Medicare Assignment

2517 17TH SREET, SUITE B, LEWISTON, ID 83501(208) 743-4373(208) 743-3369 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Carl Ray Dettwiler Md NPPES

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

CARL RAY DETTWILER MD (NPI 1285623819) is an individual specialist in Lewiston, Idaho, licensed in Idaho (M5110) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with St Joseph Regional Medical Center, and is a graduate of Loma Linda University School Of Medicine (1981).

NPPES Registry Identity

NPI1285623819

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameCARL RAY DETTWILERCredential: MD

Location Address2517 17TH SREET, SUITE BLewiston, ID 83501-0001

Mailing Address2517 17th St, Suite BLewiston, ID 83501-6311 · (208) 743-4373 · Fax (208) 743-3369

Phone(208) 743-4373

Fax(208) 743-3369

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 1981

Enumeration DateOctober 17, 2005

Last NPPES UpdateDecember 16, 2025

NPPES CertifiedDecember 16, 2025

✔ NPI 1285623819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in ID · M5110

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

2517 17TH SREET, Lewiston, ID 83501

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Other Names 1

Other Name (5)Prof. Carl Ray Dettwiler M.d.

Other Identifiers 1

Medicaid806979100ID

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Moda Health Plan, Inc., PacificSource Health Plans, Providence Health Plan.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

Carl Ray Dettwiler 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 ID2769457852

PECOS Enrollment IDI20040907000488, I20041013000375

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.

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito G0500

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

751 services574 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.

269 services267 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.

223 services213 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

167 services128 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.

139 services139 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.

56 services48 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.

50 services22 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.

30 services30 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.

29 services29 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

24 services23 patients

Stool analysis for blood, by fecal hemoglobin determination by immunoassay 82274

A stool analysis for blood, or fecal hemoglobin determination by immunoassay, is a test that checks for hidden blood in your stool. This test helps identify potential issues in your digestive system. It involves collecting a small stool sample which is then analyzed in a lab for the presence of blood.

24 services18 patients

Injection beneath lining of large bowel using a flexible endoscope 45381

This procedure involves a flexible tube, called an endoscope, being inserted into the large bowel. A small needle is then passed through the tube to inject medication under the bowel lining. This is typically done to treat inflammation or bleeding.

16 services16 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.

15 services15 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.

15 services15 patients

Monitoring and recording of esophageal function through nasal tube 91034

This procedure involves the insertion of a thin tube through the nose and into the esophagus. It helps monitor and record esophageal function, including how well food and liquids move through it. It's a safe and effective way to detect potential issues.

13 services13 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.

12 services12 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.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

St Joseph Regional Medical Center

Acute Care Hospitals · Lewiston, ID

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number130003

Location415 Sixth StreetLewiston, ID 83501 · Nez Perce County

Emergency services Birthing friendly

Syringa General Hospital

Critical Access Hospitals · Grangeville, ID

OwnershipGovernment - Hospital District or Authority

CMS Certification Number131315

Location607 W Main StreetGrangeville, ID 83530 · Idaho County

Emergency services

Clearwater Valley Hospital & Clinics

Critical Access Hospitals · Orofino, ID

OwnershipVoluntary non-profit - Private

CMS Certification Number131320

Location301 Cedar StreetOrofino, ID 83544 · Clearwater County

Emergency services

St Marys Hospital And Clinics

Critical Access Hospitals · Cottonwood, ID

OwnershipVoluntary non-profit - Private

CMS Certification Number131321

Location701 Lewiston StCottonwood, ID 83522 · Idaho County

Emergency services

Tri-State Memorial Hospital

Critical Access Hospitals · Clarkston, WA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number501332

Location1221 Highland AvenueClarkston, WA 99403 · Asotin County

Emergency services

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.

Reported Quality Measures

Appropriate Follow-Up Interval for Normal Colonoscopy in Average Risk Patients

Percentage of patients aged 50 to 75 years of age receiving a screening colonoscopy without biopsy or polypectomy who had a recommended follow-up interval of at least 10 years for repeat colonoscopy documented in their colonoscopy report

97%79 patients

Appropriate indication for colonoscopy

Percentage of colonoscopy procedures performed for an indication that is included in a published standard list of appropriate indications and the indication is documented

92%1,027 patients4/55-star benchmark: 99%

Appropriate management of anticoagulation in the peri-procedural period rate - EGD

Percentage of patients undergoing an EGD on an anti-platelet agent or an anticoagulant who leave the endoscopy unit with instructions for management of this medication

97%264 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.

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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 Carl Dettwiler's NPI number?

The NPI number for Carl Dettwiler is 1285623819. It was assigned to this individual provider in the NPPES registry on October 17, 2005. The provider is also known as Prof. Carl Ray Dettwiler M.D..

Where is Carl Dettwiler located?

Carl Dettwiler practices at 2517 17th Sreet Suite B, Lewiston, ID 83501. The listed phone number is (208) 743-4373.

What is Carl Dettwiler's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Carl Dettwiler enrolled in Medicare?

Yes. Carl Dettwiler 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 Carl Dettwiler accept?

Health plans from Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan list Carl Dettwiler 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 Carl Dettwiler affiliated with any hospitals?

According to CMS data, Carl Dettwiler is affiliated with St Joseph Regional Medical Center, Syringa General Hospital, Clearwater Valley Hospital & Clinics, St Marys Hospital And Clinics and Tri-State Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Carl Dettwiler was last updated on December 16, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.