Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Yamin Thein, M.D.

Internal Medicine Physician in Lititz, PA · enumerated 2015 · practices at Pinnacle Health Medical Services.

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

National Provider Identifier

1881079556

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Registry record

Entity type Individual (Type 1)

Name Yamin Thein

Credential M.D.

Sex Female

Practice address 1535 Highlands Dr Ste 100, Lititz, PA, 17543

Phone (717) 627-4088

Fax (717) 627-4089

Enumeration date Jul 23, 2015

Last updated in NPPES Apr 6, 2021

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD464727 (PA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD 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 Yamin Thein's NPI record?

Cross-check NPI 1881079556 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1881079556 active?

Yes, as of the latest NPPES snapshot, NPI 1881079556 is active (record last updated 2021-04-06).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-04-06.