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

MR. MAXWELL MARTIN PAPPAS MD
NPI 1427851880
Internal Medicine in Greenville, SC

Active since March 31, 2025PECOS Enrolled
5 W MAIN ST, GREENVILLE, SC 29611(864) 522-5220 Get Directions Write a Review

NPPES record last updated: July 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 16, 2026, Mar 31, 2025 (2 updates tracked since 2025).

About Mr. Maxwell Martin Pappas Md NPPES

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

MR. MAXWELL MARTIN PAPPAS MD (NPI 1427851880) is an individual internal medicine provider in Greenville, South Carolina, licensed in South Carolina (LL96997) and active in the NPI registry since March 2025. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427851880
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. MAXWELL MARTIN PAPPASCredential: MD
Location Address5 W MAIN STGreenville, SC 29611-4215
Mailing Address701 Grove RdGreenville, SC 29605-4210 · (601) 580-8876
Phone(864) 522-5220
Sole ProprietorNo
Enumeration DateMarch 31, 2025
Last NPPES UpdateJuly 16, 20262 updates tracked since enumeration
NPPES CertifiedJuly 16, 2026
✔ NPI 1427851880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in SC · LL96997
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License LL96997 (SC)
5 W MAIN ST, Greenville, SC 29611
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Maxwell Martin Pappas 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 29611 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
$124.04 typical visit price
range $53.57 – $163.84
Typical copayment $31.01 (range $13.39 – $40.96)
Most-billed visit code 99204
Established Patient
$95.12 typical visit price
range $16.96 – $133.52
Typical copayment $23.78 (range $4.24 – $33.38)
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.

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.

GISSELLE DALILA CASTELLANOS CASTILLO MD
Pediatrics
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 522-5300
AUSTIN FRETWELL
Internal Medicine
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 522-5220
KYLIE MADISON EBLEN KEELTY MD
Pediatrics
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 522-5220
KEGAN COX MD
Internal Medicine
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 522-5220
ALEXIS STEPHENS
Pediatrics
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 522-5220
ALEXANDRA MARIE SPRINGHETTI
Pediatrics
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 522-5220
DOLORES PATRICIA MENDELOW MD
Pediatrics
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 220-7270
MARTHA JOANNA FOWLER FNP
Nurse Practitioner (Family)
5 W MAIN ST
GREENVILLE, SC 29611
Greenville County (864) 220-7270

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 Maxwell Pappas's NPI number?

The NPI number for Maxwell Pappas is 1427851880. It was assigned to this individual provider in the NPPES registry on March 31, 2025.

Where is Maxwell Pappas located?

Maxwell Pappas practices at 5 W Main St, Greenville, SC 29611. The listed phone number is (864) 522-5220.

What is Maxwell Pappas's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Maxwell Pappas enrolled in Medicare?

Yes. Maxwell Pappas is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Maxwell Pappas was last updated on July 16, 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.