THOMAS S MESSER JR. MD
NPI 1639284888
Internal Medicine - Cardiovascular Disease in Hattiesburg, MS

Q: What is Thomas Messer's NPI number?

The NPI number for Thomas Messer is 1639284888. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Q: What is Thomas Messer's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Thomas Messer was last updated on August 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 August 20, 2006PECOS Enrolled

415 S 28TH AVE, HATTIESBURG, MS 39401(601) 268-5800(601) 261-3530 Get Directions Write a Review

NPPES record last updated: August 23, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 23, 2016, Jan 19, 2016 (2 updates tracked since 2016).

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About Thomas S Messer Jr. Md NPPES

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

THOMAS S MESSER JR. MD (NPI 1639284888) is an individual cardiovascular disease provider in Hattiesburg, Mississippi, licensed in Mississippi (09469) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639284888

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameTHOMAS S MESSER JR.Credential: MD

Location Address415 S 28TH AVEHattiesburg, MS 39401-7246

Mailing Address415 S 28th AveHattiesburg, MS 39401-7246 · (601) 268-5800 · Fax (601) 579-5240

Phone(601) 268-5800

Fax(601) 261-3530

Sole ProprietorNo

Enumeration DateAugust 20, 2006

Last NPPES UpdateAugust 23, 20162 updates tracked since enumeration

✔ NPI 1639284888 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 · 09469

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 Medicine · Interventional CardiologyTaxonomy 207RI0011X · License 09469 (MS)

415 S 28TH AVE, Hattiesburg, MS 39401

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Other Identifiers 7

Medicare UPINB66008

Medicaid1919667LA

Medicare PIN060000001MS

Medicaid009806310AL

Medicaid00018802MS

Other110005591MS · Railroad Medicare

Other1558960MS · American Admin Group

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas S Messer Jr. 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.

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.

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