Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. RUTH M KLUG RN MS CPNP
NPI 1730148974
Nurse Practitioner in Herndon, VA

Q: What is Ruth Klug's NPI number?

The NPI number for Ruth Klug is 1730148974. It was assigned to this individual provider in the NPPES registry on March 17, 2006. The provider is also known as Ruth Maring.

Q: What is Ruth Klug's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Q: When was this NPI record last updated?

The NPPES record for Ruth Klug was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 17, 2006

2579 JOHN MILTON DR, 310, HERNDON, VA 20171(703) 860-4200(703) 860-1528 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mrs. Ruth M Klug Rn Ms Cpnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. RUTH M KLUG RN MS CPNP (NPI 1730148974) is an individual nurse practitioner in Herndon, Virginia, licensed in Virginia (0024123433) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1730148974

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. RUTH M KLUGCredential: RN MS CPNP

Location Address2579 JOHN MILTON DR, 310Herndon, VA 20171

Mailing Address10400 Eaton Place, 410Fairfax, VA 22030 · (703) 359-5160 · Fax (703) 383-9574

Phone(703) 860-4200

Fax(703) 860-1528

Sole ProprietorNo

Enumeration DateMarch 17, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1730148974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in VA · 0024123433

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

2579 JOHN MILTON DR, Herndon, VA 20171

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Other Names 1

Former Name (1)Ruth Maring

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JENNIFER WHITE D.P.T.

Physical Therapist

2579 JOHN MILTON DR, 120
HERNDON, VA 20171

Fairfax County (703) 860-2346

STRAIT PHYSICAL THERAPY, LLC

Physical Therapist

2579 JOHN MILTON DR, SUITE 120
HERNDON, VA 20171

Fairfax County (703) 860-2346

MRS. DONNA R STRAIT P.T.

Physical Therapist

2579 JOHN MILTON DR, SUITE 120
HERNDON, VA 20171

Fairfax County (703) 860-2346

MS. CAROLYN GAYLE DIBELLA PTA

Physical Therapy Assistant

2579 JOHN MILTON DR, SUITE 120
HERNDON, VA 20171

Fairfax County (703) 860-2346

DR. JOSIE SY KEAT DDS

Dentist (Dental Public Health)

2579 JOHN MILTON DR, #250
OAK HILL, VA 20171

Fairfax County (703) 860-8860

DR. MICHAEL G CATTAFESTA DDS

Dentist (General Practice)

2579 JOHN MILTON DR
HERNDON, VA 20171

Fairfax County (703) 620-4050

RACHEL ARLENE LEOPOLD

Nurse Practitioner (Family)

2579 JOHN MILTON DR
HERNDON, VA 20171

Fairfax County (571) 758-5710

REBECCA WILLIAMS PTA

Physical Therapy Assistant

2579 JOHN MILTON DR, SUITE 120
HERNDON, VA 20171

Fairfax County (703) 860-2346

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ruth Klug's NPI number?

The NPI number for Ruth Klug is 1730148974. It was assigned to this individual provider in the NPPES registry on March 17, 2006. The provider is also known as Ruth Maring.

Where is Ruth Klug located?

Ruth Klug practices at 2579 John Milton Dr 310, Herndon, VA 20171. The listed phone number is (703) 860-4200.

What is Ruth Klug's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

When was this NPI record last updated?

The NPPES record for Ruth Klug was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.