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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.

DR. SARA ANN ARMSTRONG MD
NPI 1689359663
Internal Medicine in Charleston, SC

Active since June 19, 2023PECOS Enrolled
171 ASHLEY AVE, CHARLESTON, SC 29425(843) 792-2300 Get Directions Write a Review

NPPES record last updated: August 3, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 3, 2026, Jun 19, 2023 (2 updates tracked since 2023).

About Dr. Sara Ann Armstrong Md NPPES

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

DR. SARA ANN ARMSTRONG MD (NPI 1689359663) is an individual internal medicine provider in Charleston, South Carolina, licensed in South Carolina (90152) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1689359663
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. SARA ANN ARMSTRONGCredential: MD
Location Address171 ASHLEY AVECharleston, SC 29425-0100
Mailing Address169 Ashley AveCharleston, SC 29425-8905
Phone(843) 792-2300
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 19, 2023
Last NPPES UpdateAugust 3, 20262 updates tracked since enumeration
NPPES CertifiedAugust 3, 2026
✔ NPI 1689359663 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 · 90152
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.
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)

Dr. Sara Ann Armstrong Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7315382660
PECOS Enrollment IDI20260507000385
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 Sara Armstrong's NPI number?

The NPI number for Sara Armstrong is 1689359663. It was assigned to this individual provider in the NPPES registry on June 19, 2023.

Where is Sara Armstrong located?

Sara Armstrong practices at 171 Ashley Ave, Charleston, SC 29425. The listed phone number is (843) 792-2300.

What is Sara Armstrong's specialty?

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

Is Sara Armstrong enrolled in Medicare?

Yes. Sara Armstrong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sara Armstrong was last updated on August 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.