Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Catherine Heilig, CRNP

Family Nurse Practitioner in Prince Frederick, MD · enumerated 2007 · practices at Calvert Internal Medicine Group PA.

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

National Provider Identifier

1982759411

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Catherine Heilig

Credential CRNP

Sex Female

Practice address 985 Prince Frederick Blvd Ste 201, Prince Frederick, MD, 20678

Phone (410) 535-2005

Fax (410) 535-4850

Enumeration date Jan 24, 2007

Last updated in NPPES Oct 24, 2017

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License N41334 (MD) Secondary

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R129094 (MD) Primary

Other identifiers

Identifier	Type	State	Issuer
320500200	Medicaid	MD	-
500029459	Other	MD	RAILROAD MEDICARE
68754202	Other	MD	CAREFIRST OF MARYLAND
C0410025	Other	DC	CAREFIRST OF DC

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

Where does Catherine Heilig practice?

The practice location on file with NPPES is in Prince Frederick, MD. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Catherine Heilig?

The National Provider Identifier (NPI) for Catherine Heilig is 1982759411, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-10-24.