Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ryan Semendinger, DC

Chiropractor in Harrisburg, PA · enumerated 2019 · practices at Mason J Carp MD.

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

National Provider Identifier

1396389052

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Registry record

Entity type Individual (Type 1)

Name Dr. Ryan Semendinger

Credential DC

Sex Male

Practice address 4212 Linglestown Rd, Harrisburg, PA, 17112

Phone (717) 412-7131

Fax (717) 412-7133

Enumeration date Nov 5, 2019

Last updated in NPPES May 30, 2026

Taxonomy & licenses

111N00000X Chiropractor Chiropractic Providers · License DC011516 (PA) Primary

DC · Doctor of Chiropractic: A licensed chiropractor focusing on musculoskeletal and nervous system disorders. About the DC 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

How do I verify Ryan Semendinger's NPI record?

Cross-check NPI 1396389052 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1396389052 active?

Yes, as of the latest NPPES snapshot, NPI 1396389052 is active (record last updated 2026-05-30).

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Mason Carp Gynecology Physician · Harrisburg, PA NPI 1407959620 Mason J Carp MD Obstetrics & Gynecology Physician · Harrisburg, PA NPI 1124635933

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-30.