DR. STEPHEN E BAUM MD
NPI 1083650485
Internal Medicine - Gastroenterology in Billings, MT

Q: What is Stephen Baum's NPI number?

The NPI number for Stephen Baum is 1083650485. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Q: What is Stephen Baum'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 Stephen Baum was last updated on April 11, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 22, 2006PECOS EnrolledAccepts Medicare Assignment

1144 N 28TH ST, SUITE C, BILLINGS, MT 59101(406) 238-6380(406) 238-6399 Get Directions Write a Review

NPPES record last updated: April 11, 2011. Verified against the NPPES registry weekly; last sync: July 26, 2026.

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About Dr. Stephen E Baum Md NPPES

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

DR. STEPHEN E BAUM MD (NPI 1083650485) is an individual gastroenterology provider in Billings, Montana, licensed in Montana (7412) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with St Vincent Healthcare, and is a graduate of University Of Colorado School Of Medicine, Denver (1984).

NPPES Registry Identity

NPI1083650485

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameDR. STEPHEN E BAUMCredential: MD

Location Address1144 N 28TH ST, SUITE CBillings, MT 59101-0110

Mailing Address1144 N 28th St, Suite CBillings, MT 59101-0110 · (406) 238-6380 · Fax (406) 238-6399

Phone(406) 238-6380

Fax(406) 238-6399

Sole ProprietorNo

Medical School CMSUniversity Of Colorado School Of Medicine, DenverGraduated 1984

Enumeration DateJune 22, 2006

Last NPPES UpdateApril 11, 2011

✔ NPI 1083650485 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 MT · 7412

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.

1144 N 28TH ST, Billings, MT 59101

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Other Identifiers 4

Medicare ID-Type Unspecified84063MT

Other6611MT · Blue Cross Blue Shield

Medicaid0025806MT

Medicare UPINA03176MT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans 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

Dr. Stephen E Baum 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 ID9234117490

PECOS Enrollment IDI20040715000959

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 14

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.

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.

204 services203 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.

63 services63 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.

58 services58 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.

47 services47 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.

41 services40 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.

41 services41 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

22 services22 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.

19 services19 patients

Review by radiologist of image from tube placement into bile duct using an endoscope 74328

This procedure involves a specialist, called a radiologist, examining an image taken during a tube placement into your bile duct. The tube is inserted with the help of a tool called an endoscope. This allows the doctor to check for any issues or abnormalities in your bile duct.

16 services15 patients

Insertion of stent into pancreatic or bile duct using a flexible endoscope 43274

This procedure involves the placement of a tiny tube, known as a stent, into your pancreatic or bile duct. A flexible endoscope, a long, thin instrument with a light and camera, is used. It aids in relieving blockages and improving flow in these ducts.

13 services12 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.

12 services12 patients

Incision of pancreatic outlet using a flexible endoscope 43262

This procedure involves a small cut in the outlet of the pancreas using a flexible tube with a camera, called an endoscope. It helps doctors diagnose and treat conditions affecting the pancreas, enhancing patient comfort and recovery.

12 services12 patients

Removal of stone or debris from bile or pancreatic duct using a flexible endoscope 43264

This procedure, called an endoscopic retrograde cholangiopancreatography (ERCP), involves using a flexible tube with a camera (endoscope) to locate and remove stones or debris from your bile or pancreatic duct. It's a non-surgical method to clear the ducts, enhancing your digestive health.

12 services12 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.

11 services11 patients

Hospital Affiliations CMS Care Compare

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

St Vincent Healthcare

Acute Care Hospitals · Billings, MT

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number270049

Location1233 N 30th StBillings, MT 59101 · Yellowstone County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59101 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

$130.52 typical visit price

range $56.81 – $172.26

Typical copayment $32.63 (range $14.20 – $43.06)

Most-billed visit code 99204

Established Patient

$100.16 typical visit price

range $18.24 – $140.32

Typical copayment $25.04 (range $4.56 – $35.08)

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.

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Other Providers at the Same Location NPPES 2

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

BILLINGS GASTROINTESTINAL ASSOCIATES, PLLP

Internal Medicine (Gastroenterology)

1144 N 28TH ST, SUITE C
BILLINGS, MT 59101

Yellowstone County (406) 238-6380

YELLOWSTONE SURGERY CENTER, LLC

Clinic/Center (Ambulatory Surgical)

1144 N 28TH ST
BILLINGS, MT 59101

Yellowstone County (406) 237-5900

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 Stephen Baum's NPI number?

The NPI number for Stephen Baum is 1083650485. It was assigned to this individual provider in the NPPES registry on June 22, 2006.

Where is Stephen Baum located?

Stephen Baum practices at 1144 N 28th St Suite C, Billings, MT 59101. The listed phone number is (406) 238-6380.

What is Stephen Baum's specialty?

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

Is Stephen Baum enrolled in Medicare?

Yes. Stephen Baum 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 Stephen Baum accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Stephen Baum 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 Stephen Baum affiliated with any hospitals?

According to CMS data, Stephen Baum is affiliated with St Vincent Healthcare.

When was this NPI record last updated?

The NPPES record for Stephen Baum was last updated on April 11, 2011. NPI Profile syncs with the weekly NPPES data releases published by CMS.