Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MICHAEL ADRIAN SIMS MD
NPI 1962990259
Internal Medicine - Cardiovascular Disease in Hattiesburg, MS

Active since April 23, 2018PECOS Enrolled
415 S 28TH AVE, HATTIESBURG, MS 39401(601) 268-5800 Get Directions Write a Review

NPPES record last updated: August 17, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 17, 2026, Feb 24, 2025, Aug 11, 2021 and 2 more (5 updates tracked since 2018).

About Michael Adrian Sims Md NPPES

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

MICHAEL ADRIAN SIMS MD (NPI 1962990259) is an individual cardiovascular disease provider in Hattiesburg, Mississippi, licensed in Mississippi (29165) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1962990259
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameMICHAEL ADRIAN SIMSCredential: MD
Location Address415 S 28TH AVEHattiesburg, MS 39401-7246
Mailing Address415 S 28th AveHattiesburg, MS 39401-7246 · (601) 264-6000
Sole ProprietorNo
Enumeration DateApril 23, 2018
Last NPPES UpdateAugust 17, 20265 updates tracked since enumeration
NPPES CertifiedAugust 17, 2026
NPI 1962990259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in MS · 29165
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
Also ListedInternal MedicineTaxonomy 207R00000X · License 29165 (MS)
415 S 28TH AVE, Hattiesburg, MS 39401

Secondary Practice Locations 2

Location 1415 S 28th AveHattiesburg, MS 39401-7246 · Phone (601) 268-5800
Location 21220 Jefferson StLaurel, MS 39440-4355 · Phone (601) 649-2863 · Fax (601) 649-9479

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Michael Adrian Sims Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 39401 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
$120.41 typical visit price
range $51.65 – $159.18
Typical copayment $30.10 (range $12.91 – $39.79)
Most-billed visit code 99204
Established Patient
$64.96 typical visit price
range $16.15 – $129.61
Typical copayment $16.24 (range $4.03 – $32.40)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
4 suppliers27 claims27 services$20.44 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
4 suppliers27 claims27 services$112.93 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Neurological Surgery
415 S 28TH AVE
HATTIESBURG, MS 39401
Nurse Anesthetist, Certified Registered
415 S 28TH AVE
HATTIESBURG, MS 39401
Anesthesiology
415 S 28TH AVE
HATTIESBURG, MS 39401
Hospitalist
415 S 28TH AVE
HATTIESBURG, MS 39401
Surgery
415 S 28TH AVE
HATTIESBURG, MS 39401
Psychiatry & Neurology (Neurology)
415 S 28TH AVE
HATTIESBURG, MS 39401
Anesthesiology
415 S 28TH AVE
HATTIESBURG, MS 39401
Hospitalist
415 S 28TH AVE
HATTIESBURG, MS 39401

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 Sims's NPI number?

The NPI number for Michael Sims is 1962990259. It was assigned to this individual provider in the NPPES registry on April 23, 2018.

Where is Michael Sims located?

Michael Sims practices at 415 S 28th Ave, Hattiesburg, MS 39401. The listed phone number is (601) 268-5800.

What is Michael Sims's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Michael Sims enrolled in Medicare?

Yes. Michael Sims is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Michael Sims was last updated on August 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.