Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Muriel Gail Stehlin, PHYSICIAN ASSISTANT

Nurse Practitioner in E. Setauket, NY · enumerated 2005.

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

National Provider Identifier

1639156318

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Registry record

Entity type Individual (Type 1)

Name Muriel Gail Stehlin

Credential PHYSICIAN ASSISTANT

Sex Female

Practice address 3 Technology Drive, Suite 300, E. Setauket, NY, 11733

Phone (631) 444-5237

Fax (631) 444-5225

Enumeration date Dec 23, 2005

Last updated in NPPES Aug 13, 2013

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 004804-1 (NY) Primary

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

What is the NPI number for Muriel Stehlin?

The National Provider Identifier (NPI) for Muriel Stehlin is 1639156318, a Type 1 (individual) record in the CMS NPPES registry.

Where does Muriel Stehlin practice?

The practice location on file with NPPES is in E. Setauket, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Jonathan Buscaglia Gastroenterology Physician · East Setauket, NY NPI 1124078589 Douglas Brand Gastroenterology Physician · East Setauket, NY NPI 1851326706

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-13.