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SYDNEY MICHELLE MIDDLETON MD
NPI 1659833937
Pediatrics - Pediatric Endocrinology in Charleston, SC

Active since April 04, 2019PECOS Enrolled
171 ASHLEY AVE, CHARLESTON, SC 29425(843) 792-1414 Get Directions Write a Review

NPPES record last updated: November 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 11, 2025, Sep 21, 2022, Apr 4, 2019 (3 updates tracked since 2019).

About Sydney Michelle Middleton Md NPPES

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

SYDNEY MICHELLE MIDDLETON MD (NPI 1659833937) is an individual pediatric endocrinology provider in Charleston, South Carolina, licensed in South Carolina (95642) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (2019).

NPPES Registry Identity

NPI1659833937
Entity TypeIndividualFemale
Primary Taxonomy2080P0205X
Provider Legal NameSYDNEY MICHELLE MIDDLETONCredential: MD
Location Address171 ASHLEY AVECharleston, SC 29425-0100
Mailing AddressPo Box 751461Charlotte, NC 28275-1461 · (205) 215-2324
Phone(843) 792-1414
Sole ProprietorYes
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2019
Enumeration DateApril 4, 2019
Last NPPES UpdateNovember 11, 20253 updates tracked since enumeration
NPPES CertifiedNovember 11, 2025
✔ NPI 1659833937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric EndocrinologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0205X
License✔ Licensed in SC · 95642
Definition
A pediatrician who provides expert care to infants, children and adolescents who have diseases that result from an abnormality in the endocrine glands (glands which secrete hormones). These diseases include diabetes mellitus, growth failure, unusual size for age, early or late pubertal development, birth defects, the genital region and disorders of the thyroid, the adrenal and pituitary glands.
171 ASHLEY AVE, Charleston, SC 29425
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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)

Sydney Michelle Middleton Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1254666787
PECOS Enrollment IDI20251112000494
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 29425 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.

CAROLYN REED WORD M.D.
Allergy & Immunology
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414
CHRISTOPHER ARNOLD HENSLEY CRNA
Nurse Anesthetist, Certified Registered
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414
ANGELINA INDIRA PHILLIPS
Pathology (Anatomic Pathology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414
BLAKE DANIEL FORCINA
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414
CHELSEA LEE CRUISE SW
Social Worker
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414
DR. RICHARD HAYDEN JONES MD
Radiology (Pediatric Radiology)
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414
LINDSEY HENDRICKSON NP
Nurse Practitioner
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414
MICHAEL DAMASO DE GUZMAN
Ophthalmology
171 ASHLEY AVE
CHARLESTON, SC 29425
Charleston County (843) 792-1414

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 Sydney Middleton's NPI number?

The NPI number for Sydney Middleton is 1659833937. It was assigned to this individual provider in the NPPES registry on April 4, 2019.

Where is Sydney Middleton located?

Sydney Middleton practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-1414.

What is Sydney Middleton's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.

Is Sydney Middleton enrolled in Medicare?

Yes. Sydney Middleton is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sydney Middleton was last updated on November 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months 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.