DR. MICHAEL STEPHEN WILLIAMS JR. M.D.
NPI 1750544011
Surgery - Vascular Surgery in Saint Louis, MO

Q: What is Michael Williams's NPI number?

The NPI number for Michael Williams is 1750544011. It was assigned to this individual provider in the NPPES registry on July 8, 2008.

Q: What is Michael Williams's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Michael Williams was last updated on March 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 July 08, 2008PECOS EnrolledAccepts Medicare Assignment

1225 S GRAND BLVD DEPT OF, SAINT LOUIS, MO 63104(314) 977-4730(314) 977-1642 Get Directions Write a Review

NPPES record last updated: March 22, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Michael Stephen Williams Jr. M.d. NPPES

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

DR. MICHAEL STEPHEN WILLIAMS JR. M.D. (NPI 1750544011) is an individual vascular surgery provider in Saint Louis, Missouri, licensed in Missouri (2008016771) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Ssm St Clare Health Center, and is a graduate of Other (2008).

NPPES Registry Identity

NPI1750544011

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. MICHAEL STEPHEN WILLIAMS JR.Credential: M.D.

Location Address1225 S GRAND BLVD DEPT OFSaint Louis, MO 63104-1016

Mailing Address1008 S Spring AveSaint Louis, MO 63110-2520 · (314) 977-4730 · Fax (314) 977-1642

Phone(314) 977-4730

Fax(314) 977-1642

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateJuly 8, 2008

Last NPPES UpdateMarch 22, 2021

NPPES CertifiedMarch 22, 2021

✔ NPI 1750544011 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in MO · 2008016771

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

1225 S GRAND BLVD DEPT OF, Saint Louis, MO 63104

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan 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. Michael Stephen Williams 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 ID4284947375

PECOS Enrollment IDI20150717002548

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 10

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.

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

77 services75 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

50 services50 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

47 services45 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

44 services44 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.

34 services30 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

25 services24 patients

Hospital Affiliations CMS Care Compare 3

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

Ssm St Clare Health Center

Acute Care Hospitals · Fenton, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260081

Location1015 BowlesFenton, MO 63026 · Jefferson County

Emergency services Birthing friendly

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260091

Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County

Emergency services Birthing friendly

Ssm Health Saint Louis University Hospital

Acute Care Hospitals · Saint Louis, MO

1/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number260105

Location3635 Vista AveSaint Louis, MO 63110 · St. Louis City County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63104 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

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$69.50 typical visit price

range $17.76 – $137.92

Typical copayment $17.37 (range $4.44 – $34.48)

Most-billed visit code 99213

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

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

JOSHUA L HENTZELMAN M.D.

Otolaryngology

1225 S GRAND BLVD DEPT OF
SAINT LOUIS, MO 63104

St. Louis City (314) 977-5110

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 1750544011. It was assigned to this individual provider in the NPPES registry on July 8, 2008.

Where is Michael Williams located?

Michael Williams practices at 1225 S Grand Blvd Dept Of, Saint Louis, MO 63104. The listed phone number is (314) 977-4730.

What is Michael Williams's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

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 4 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 Ssm St Clare Health Center, Ssm Health St Mary's Hospital - St Louis and Ssm Health Saint Louis University Hospital.

When was this NPI record last updated?

The NPPES record for Michael Williams was last updated on March 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.