Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Karen Felicia Stephens-Vasser, NP

Adult Health Nurse Practitioner in Marietta, GA · enumerated 2022 · practices at Htm Medical Transport LLC.

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

National Provider Identifier

1790427631

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Registry record

Entity type Individual (Type 1)

Name Mrs. Karen Felicia Stephens-Vasser

Credential NP

Sex Female

Practice address 2617 Sandy Plains Rd Ste 1204b, Marietta, GA, 30066

Phone (470) 746-3434

Enumeration date Apr 11, 2022

Last updated in NPPES Apr 11, 2022

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN153985 (GA) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP 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

Is NPI 1790427631 active?

Yes, as of the latest NPPES snapshot, NPI 1790427631 is active (record last updated 2022-04-11).

How do I verify Karen Stephens-Vasser's NPI record?

Cross-check NPI 1790427631 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Htm Medical Transport LLC Land Ambulance · Marietta, GA NPI 1073213682

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-11.