DR. JAMES WILLIAM SCHNELL M.D.
NPI 1679523070
Internal Medicine - Gastroenterology in Charleston, SC

Q: What is James Schnell's NPI number?

The NPI number for James Schnell is 1679523070. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Q: What is James Schnell'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 James Schnell was last updated on May 14, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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 May 10, 2006PECOS EnrolledAccepts Medicare Assignment

98.71/100

CMS Quality Rating

2073 CHARLIE HALL BLVD, CHARLESTON, SC 29414(843) 571-0643(843) 377-0499 Get Directions Write a Review

NPPES record last updated: May 14, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. James William Schnell M.d. NPPES

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

DR. JAMES WILLIAM SCHNELL M.D. (NPI 1679523070) is an individual gastroenterology provider in Charleston, South Carolina, licensed in South Carolina (37760) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Colleton Medical Center, and is a graduate of University Of South Carolina School Of Medicine (1992).

NPPES Registry Identity

NPI1679523070

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. JAMES WILLIAM SCHNELLCredential: M.D.

Location Address2073 CHARLIE HALL BLVDCharleston, SC 29414-5834

Mailing Address2073 Charlie Hall BlvdCharleston, SC 29414-5834 · (843) 571-0643 · Fax (843) 377-0499

Phone(843) 571-0643

Fax(843) 377-0499

Sole ProprietorYes

Medical School CMSUniversity Of South Carolina School Of MedicineGraduated 1992

Enumeration DateMay 10, 2006

Last NPPES UpdateMay 14, 2020

NPPES CertifiedMay 14, 2020

✔ NPI 1679523070 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in SC · 37760

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.

Also ListedSpecialistTaxonomy 174400000X · License 19258 (SC)

2073 CHARLIE HALL BLVD, Charleston, SC 29414

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Other Identifiers 1

MedicaidT33997SC

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of North Carolina and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. James William Schnell 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 ID9638141815

PECOS Enrollment IDI20110309000752

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.

Medicare Billing Reassignment

Medicare enrollment records show James Schnell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Palmetto Digestive Disease PA

Same address

Specialist

2073 CHARLIE HALL BLVD
Charleston, SC 29414

Reassigned Medicare billing, South Carolina enrollment
26 clinicians in this Medicare group

NPI 1922057843 (843) 571-0643

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

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.

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.

531 services325 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

274 services221 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.

192 services184 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.

167 services160 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.

152 services152 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.

124 services124 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.

123 services120 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

69 services69 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.

50 services47 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

49 services49 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

49 services48 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.

39 services39 patients

Imaging of digestive tract done from the inside of the digestive tract 91110

This procedure, known as an endoscopy, involves a small camera being passed into the digestive tract. It helps doctors to see the inside of your digestive system in detail. This can aid in diagnosing conditions or planning treatments. It's generally safe and can provide valuable information.

32 services32 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.

31 services30 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.

21 services21 patients

Hospital Affiliations CMS Care Compare 5

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

Colleton Medical Center

Acute Care Hospitals · Walterboro, SC

3/5 CMS rating

OwnershipProprietary

CMS Certification Number420030

Location501 Robertson BoulevardWalterboro, SC 29488 · Colleton County

Emergency services Birthing friendly

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420065

Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County

Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420087

Location316 Calhoun StCharleston, SC 29401 · Charleston County

Emergency services

Mount Pleasant Hospital

Acute Care Hospitals · Mount Pleasant, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420104

Location3510 Highway 17 North Suite 140Mount Pleasant, SC 29466 · Charleston County

Emergency services

Roper St Francis Hospital-Berkeley Inc

Acute Care Hospitals · Summerville, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420110

Location300 Callen BlvdSummerville, SC 29486 · Dorchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29414 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

$124.04 typical visit price

range $53.57 – $163.84

Typical copayment $31.01 (range $13.39 – $40.96)

Most-billed visit code 99204

Established Patient

$95.12 typical visit price

range $16.96 – $133.52

Typical copayment $23.78 (range $4.24 – $33.38)

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.

98.71/100

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

Scored as part of a group practice

Quality

98.21

Promoting Interoperability

Improvement Activities

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

99%114 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

91%1,148 patients4/55-star benchmark: 99%

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 12

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

MRS. MARY RYAN MELIN F.N.P.

Nurse Practitioner (Family)