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MRS. BARBARA L. DAVIDSON R.D.
NPI 1639561541
Dietitian, Registered in Chester Springs, PA

Active since March 02, 2015
2156 FERNCROFT LN, CHESTER SPRINGS, PA 19425(484) 354-2902 Get Directions Write a Review

NPPES record last updated: March 2, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mrs. Barbara L. Davidson R.d. NPPES

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

MRS. BARBARA L. DAVIDSON R.D. (NPI 1639561541) is an individual dietitian, registered in Chester Springs, Pennsylvania, licensed in Pennsylvania (DN005020) and active in the NPI registry since March 2015. She is a graduate of Other (1995).

NPPES Registry Identity

NPI1639561541
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMRS. BARBARA L. DAVIDSONCredential: R.D.
Location Address2156 FERNCROFT LNChester Springs, PA 19425-3846
Mailing Address2156 Ferncroft LnChester Springs, PA 19425-3846 · (484) 354-2902
Phone(484) 354-2902
Sole ProprietorYes
Medical School CMSOtherGraduated 1995
Enumeration DateMarch 2, 2015
✔ NPI 1639561541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in PA · DN005020
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
2156 FERNCROFT LN, Chester Springs, PA 19425
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Barbara L. Davidson R.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID446795496
PECOS Enrollment IDI20240715000166

Medicare Billing Reassignment

Medicare enrollment records show Barbara Davidson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Diamond Nutrition Counseling, Inc
22 mi
Dietitian, Registered
3 CREEK PKWY # 100
Upper Chichester, PA 19061
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 17 clinicians in this Medicare group
NPI 1437794310 (800) 223-4376

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Barbara Davidson's NPI number?

The NPI number for Barbara Davidson is 1639561541. It was assigned to this individual provider in the NPPES registry on March 2, 2015.

Where is Barbara Davidson located?

Barbara Davidson practices at 2156 Ferncroft Ln, Chester Springs, PA 19425. The listed phone number is (484) 354-2902.

What is Barbara Davidson's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Barbara Davidson enrolled in Medicare?

Yes. Barbara Davidson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Barbara Davidson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Davidson reassigns Medicare benefits to Diamond Nutrition Counseling, Inc (Upper Chichester, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Barbara Davidson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Barbara Davidson was last updated on March 2, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.