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MRS. JAN L MASTER CRNP
NPI 1437134434
Nurse Practitioner in Alexandria, VA

Active since December 13, 2005PECOS Enrolled
6355 WALKER LN, SUITE 508, ALEXANDRIA, VA 22310(703) 971-7633(703) 971-0997 Get Directions Write a Review

NPPES record last updated: November 28, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 13, 2021, Sep 28, 2018 (2 updates tracked since 2018).

About Mrs. Jan L Master Crnp NPPES

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

MRS. JAN L MASTER CRNP (NPI 1437134434) is an individual nurse practitioner in Alexandria, Virginia, licensed in Virginia (0024164081) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1437134434
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. JAN L MASTERCredential: CRNP
Location Address6355 WALKER LN, SUITE 508Alexandria, VA 22310-3245
Mailing Address8110 Maple Lawn Blvd Ste 235Fulton, MD 20759-2694 · (301) 340-8339 · Fax (301) 340-9027
Phone(703) 971-7633
Fax(703) 971-0997
Sole ProprietorNo
Enumeration DateDecember 13, 2005
Last NPPES UpdateNovember 28, 20232 updates tracked since enumeration
NPPES CertifiedNovember 28, 2023
✔ NPI 1437134434 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 · 0024164081
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.
6355 WALKER LN, Alexandria, VA 22310
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Jan L Master Crnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22310 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

GWEN RENEE MORRIS MOT, OTR/L
Specialist
6355 WALKER LN, SUITE 512
ALEXANDRIA, VA 22310
Fairfax County (703) 647-3110
BESTPRACTICES, INC
Emergency Medicine
6355 WALKER LN
ALEXANDRIA, VA 22310
Fairfax County (703) 776-3111
CHELSEA KEMLAGE
Physical Therapist
6355 WALKER LN, SUITE 204
ALEXANDRIA, VA 22310
Fairfax County (703) 810-5214
MS. JOANNE F CHARLES FNP-C
Family Medicine
6355 WALKER LN, SUITE 310
ALEXANDRIA, VA 22310
Fairfax County (703) 971-8600
LAUREN M DAILEY PA-C
Physician Assistant
6355 WALKER LN, SUITE 401
ALEXANDRIA, VA 22310
Fairfax County (703) 924-2100
DR. EDWARD CHARLES RABBITT M.D.
Orthopaedic Surgery
6355 WALKER LN, SUITE 501
ALEXANDRIA, VA 22310
Fairfax County (703) 765-4321
DR. CHRISTINA STEPHANIE MICHAEL D.O.
Internal Medicine
6355 WALKER LN, SUITE 505
ALEXANDRIA, VA 22310
Fairfax County (703) 971-4444
DR. JOEL LESTER KOSLOW M.D.
Internal Medicine
6355 WALKER LN, SUITE 303
ALEXANDRIA, VA 22310
Fairfax County (703) 971-0505

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 Jan Master's NPI number?

The NPI number for Jan Master is 1437134434. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Where is Jan Master located?

Jan Master practices at 6355 Walker Ln Suite 508, Alexandria, VA 22310. The listed phone number is (703) 971-7633.

What is Jan Master's specialty?

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

Is Jan Master enrolled in Medicare?

Yes. Jan Master is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jan Master was last updated on November 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.