ALEXANDER PYRONNEAU MD/PHD
NPI 1326788480
Internal Medicine in Charleston, SC

Q: What is Alexander Pyronneau's NPI number?

The NPI number for Alexander Pyronneau is 1326788480. It was assigned to this individual provider in the NPPES registry on March 29, 2022.

Q: What is Alexander Pyronneau's specialty?

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

Active since March 29, 2022PECOS EnrolledAccepts Medicare Assignment

316 CALHOUN ST, CHARLESTON, SC 29401(843) 724-2000 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Alexander Pyronneau Md/phd NPPES

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

ALEXANDER PYRONNEAU MD/PHD (NPI 1326788480) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (95974) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Bon Secours-st Francis Xavier Hospital, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (2022).

NPPES Registry Identity

NPI1326788480

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameALEXANDER PYRONNEAUCredential: MD/PHD

Location Address316 CALHOUN STCharleston, SC 29401-1113

Mailing Address316 Calhoun StCharleston, SC 29401-1113 · (843) 724-2000

Phone(843) 724-2000

Sole ProprietorYes

Medical School CMSAlbert Einstein College Of Medicine Of Yeshiva UniversityGraduated 2022

Enumeration DateMarch 29, 2022

Last NPPES UpdateNovember 14, 2025

NPPES CertifiedNovember 14, 2025

✔ NPI 1326788480 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in SC · 95974

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.

316 CALHOUN ST, Charleston, SC 29401

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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 and accepts Medicare assignment

Alexander Pyronneau Md/phd 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 ID1355720038

PECOS Enrollment IDI20251217001412

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.

Hospital Affiliations CMS Care Compare 4

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

Bon Secours-St Francis Xavier Hospital

Acute Care Hospitals · Charleston, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420065

Location2095 Henry Tecklenburg DriveCharleston, SC 29414 · Charleston County

Emergency services Birthing friendly

Roper Hospital

Acute Care Hospitals · Charleston, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420087

Location316 Calhoun StCharleston, SC 29401 · Charleston County

Emergency services

Mount Pleasant Hospital

Acute Care Hospitals · Mount Pleasant, SC

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420104

Location3510 Highway 17 North Suite 140Mount Pleasant, SC 29466 · Charleston County

Emergency services

Roper St Francis Hospital-Berkeley Inc

Acute Care Hospitals · Summerville, SC

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number420110

Location300 Callen BlvdSummerville, SC 29486 · Dorchester County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 29401 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.

CHRISTIAN ANTON SUNG PA-C

Physician Assistant