Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sydney Taylor Darrah, DPT

Physical Therapist in Frederick, MD · enumerated 2020.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558969121

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Registry record

Entity type Individual (Type 1)

Name Sydney Taylor Darrah

Credential DPT

Sex Female

Practice address 161 Thomas Johnson Dr Ste 100, Frederick, MD, 21702

Phone (301) 694-8311

Fax (240) 629-8549

Enumeration date Oct 15, 2020

Last updated in NPPES Jul 29, 2022

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 27483 (MD) Primary

DPT · Doctor of Physical Therapy: A physical therapist holding the clinical doctorate now standard for the profession. About the DPT credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1558969121 active?

Yes, as of the latest NPPES snapshot, NPI 1558969121 is active (record last updated 2022-07-29).

How do I verify Sydney Darrah's NPI record?

Cross-check NPI 1558969121 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-07-29.