DR. MICHAEL D WILLIAMS MD
NPI 1750334470
Internal Medicine - Gastroenterology in Columbia, MO

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
210 PORTLAND ST STE 100, COLUMBIA, MO 65201(573) 777-8818(573) 777-8819 Get Directions Write a Review

NPPES record last updated: October 6, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 6, 2022, Aug 18, 2022, Aug 12, 2022 and 1 more (4 updates tracked since 2021).

About Dr. Michael D Williams Md NPPES

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

DR. MICHAEL D WILLIAMS MD (NPI 1750334470) is an individual gastroenterology provider in Columbia, Missouri, licensed in Missouri (2017008968) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Boone Hospital Center, and is a graduate of University Of Missouri, Columbia School Of Medicine (2003).

NPPES Registry Identity

NPI1750334470
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. MICHAEL D WILLIAMSCredential: MD
Location Address210 PORTLAND ST STE 100Columbia, MO 65201-6677
Mailing Address210 Portland St Ste 100Columbia, MO 65201-6677 · (573) 777-8818 · Fax (573) 777-8819
Fax(573) 777-8819
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2003
Enumeration DateMay 17, 2006
Last NPPES UpdateOctober 6, 20224 updates tracked since enumeration
NPPES CertifiedOctober 6, 2022
NPI 1750334470 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 MO · 2017008968
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.

210 PORTLAND ST STE 100, Columbia, MO 65201

Accepted 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. Michael D Williams 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 ID2769495514
PECOS Enrollment IDI20170815000742
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 19

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.

Injection, vedolizumab, intravenous, 1 mg J3380
Vedolizumab is a medication given via injection. It's used to treat certain bowel conditions (such as Crohn's disease, ulcerative colitis) by reducing inflammation. It works by blocking a certain protein that causes this inflammation.
17,400 services16 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.
828 services348 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
534 services84 patients
Special stained specimen slides to examine tissue including interpretation and report 88313
Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.
334 services127 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.
235 services232 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.
231 services231 patients

Hospital Affiliations CMS Care Compare 2

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

Boone Hospital Center

Acute Care Hospitals · Columbia, MO
5/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260068
Location1600 E BroadwayColumbia, MO 65201 · Boone County
Emergency services Birthing friendly

University Of Missouri Health Care

Acute Care Hospitals · Columbia, MO
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number260141
LocationOne Hospital DriveColumbia, MO 65212 · Boone County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 65201 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
$121.96 typical visit price
range $52.28 – $161.24
Typical copayment $30.49 (range $13.07 – $40.31)
Most-billed visit code 99204
Established Patient
$93.24 typical visit price
range $16.30 – $131.05
Typical copayment $23.31 (range $4.07 – $32.76)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Other Providers at the Same Location NPPES 20

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

Nurse Anesthetist, Certified Registered
210 PORTLAND ST STE 100
COLUMBIA, MO 65201
Internal Medicine (Gastroenterology)
210 PORTLAND ST STE 100
COLUMBIA, MO 65201
Nurse Anesthetist, Certified Registered
210 PORTLAND ST STE 100
COLUMBIA, MO 65201
Nurse Anesthetist, Certified Registered
210 PORTLAND ST STE 100
COLUMBIA, MO 65201
Nurse Anesthetist, Certified Registered
210 PORTLAND ST STE 100
COLUMBIA, MO 65201
Nurse Anesthetist, Certified Registered
210 PORTLAND ST STE 100
COLUMBIA, MO 65201
Nurse Practitioner (Family)
210 PORTLAND ST STE 100
COLUMBIA, MO 65201
Internal Medicine
210 PORTLAND ST STE 100
COLUMBIA, MO 65201

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 Michael Williams's NPI number?

The NPI number for Michael Williams is 1750334470. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Michael Williams located?

Michael Williams practices at 210 Portland St Ste 100, Columbia, MO 65201. The listed phone number is (573) 777-8818.

What is Michael Williams's specialty?

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

Is Michael Williams enrolled in Medicare?

Yes. Michael Williams 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 Michael Williams accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 3 other insurers list Michael Williams 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 Michael Williams affiliated with any hospitals?

According to CMS data, Michael Williams is affiliated with Boone Hospital Center and University Of Missouri Health Care.

When was this NPI record last updated?

The NPPES record for Michael Williams was last updated on October 6, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.