Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. Stephan G Muhlebach, M.D.

Cardiovascular Disease Physician in Hyannis, MA · enumerated 2006 · practices at Cccc.

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

National Provider Identifier

1710965157

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Registry record

Entity type Individual (Type 1)

Name Dr. Stephan G Muhlebach

Credential M.D.

Sex Male

Practice address Hyannis, MA, 02601

Phone (508) 778-8818

Fax (508) 778-1003

Enumeration date Jan 5, 2006

Last updated in NPPES Nov 10, 2011

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

207RC0000X Cardiovascular Disease Physician Allopathic & Osteopathic Physicians · License 226058 (MA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
J29071	Other	MA	BCBSMA
2109328	Medicaid	MA	-

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 1710965157 active?

Yes, as of the latest NPPES snapshot, NPI 1710965157 is active (record last updated 2011-11-10).

How do I verify Stephan Muhlebach's NPI record?

Cross-check NPI 1710965157 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Other providers at this practice address

Browse all →

Michael Mecley Cardiovascular Disease Physician · Hyannis, MA NPI 1609828920 Nanette Hallett Adult Health Nurse Practitioner · Hyannis, MA NPI 1558395970 Alfred Rich Pediatric Dentistry · Hyannis, MA NPI 1942219761 Brenda Loud Registered Nurse · Hyannis, MA NPI 1972771467 Cccc Cardiovascular Disease Physician · Hyannis, MA NPI 1841595550

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-11-10.