MRS. SONIA DEMETRIS WALKER WHNP
NPI 1639381643
Nurse Practitioner - Family in Norfolk, VA

Active since May 03, 2007PECOS EnrolledAccepts Medicare Assignment
95.11/100
CMS Quality Rating
830 KEMPSVILLE RD RM 2B223, NORFOLK, VA 23502(757) 261-8860(757) 689-2420 Get Directions Write a Review

NPPES record last updated: December 9, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Sonia Demetris Walker Whnp NPPES

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

MRS. SONIA DEMETRIS WALKER WHNP (NPI 1639381643) is an individual family provider in Norfolk, Virginia, licensed in Virginia (0024167124) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1639381643
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMRS. SONIA DEMETRIS WALKERCredential: WHNP
Location Address830 KEMPSVILLE RD RM 2B223Norfolk, VA 23502-3920
Mailing Address830 Kempsville Rd Rm 2b223Norfolk, VA 23502-3920 · (757) 261-8860 · Fax (757) 689-2420
Fax(757) 689-2420
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 3, 2007
Last NPPES UpdateDecember 9, 2020
NPPES CertifiedDecember 9, 2020
NPI 1639381643 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in VA · 0024167124
Also ListedNurse PractitionerTaxonomy 363L00000X · License 0024167124 (VA)
Also ListedNurse Practitioner · Women's HealthTaxonomy 363LW0102X · License 0024167124 (VA)
830 KEMPSVILLE RD RM 2B223, Norfolk, VA 23502

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mrs. Sonia Demetris Walker Whnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6901052059
PECOS Enrollment IDI20120806000930
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 23502 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
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

95.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality86.31
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 4

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

Nurse Practitioner (Family)
830 KEMPSVILLE RD RM 2B223
NORFOLK, VA 23502
Physician Assistant
830 KEMPSVILLE RD RM 2B223
NORFOLK, VA 23502
Nurse Practitioner (Family)
830 KEMPSVILLE RD RM 2B223
NORFOLK, VA 23502
Nurse Practitioner (Gerontology)
830 KEMPSVILLE RD RM 2B223
NORFOLK, VA 23502

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 Sonia Walker's NPI number?

The NPI number for Sonia Walker is 1639381643. It was assigned to this individual provider in the NPPES registry on May 3, 2007.

Where is Sonia Walker located?

Sonia Walker practices at 830 Kempsville Rd Rm 2b223, Norfolk, VA 23502. The listed phone number is (757) 261-8860.

What is Sonia Walker's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Sonia Walker enrolled in Medicare?

Yes. Sonia Walker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Sonia Walker was last updated on December 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.