NANCY ANN DAVISON (MS, RDN, LD) – Registered Dietitian, NPI 1013644194

NANCY ANN DAVISON (MS, RDN, LD) is a healthcare provider. based in Deer park, Illinois. specializing in REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL. They hold the professional credentials MS, RDN, LD. They hold a License No. DT05438 (TX). The NPI Number for NANCY ANN DAVISON (MS, RDN, LD) is 1013644194

Main info

Female
Sole Proprietor
25 Years Of Experience
Name
NANCY ANN DAVISON (MS, RDN, LD)
NPI
1013644194
Phone
(847) 445-1691
Address
218 WICKER DR
Enumeration Date
8 August 2022
Last Update Date
24 April 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9724229180
Graduation Year
2001 (25 years ago)
PAC ID
5395129621
Group Practice PAC ID
5991064487
Professional Enrollment ID
I20220905000455
Address ID
TX750756911PL400XXPLXX302
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience30
Completeness75
Years active:3State licenses:1Digital endpointsOther names

529 REGISTERED DIETITIAN OR NUTRITION PROFESSIONAL in TX

Provider Addresses for NANCY ANN DAVISON (MS, RDN, LD)

  • 218 WICKER DR

    DEER PARK, IL 600103723

    Phone: (847) 445-1691

    Type: Mailing

  • 700 E PARK BLVD STE 206

    PLANO, TX 750745472

    Phone: (847) 445-1691

    Type: Location

  • 400 CHISHOLM PL STE 100

    PLANO, TX 750756911

    Phone: (972) 422-9180

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2022-09-05

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20220905000455IRegistered Dietitian Or Nutrition ProfessionalTXTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 60010)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5991064487View full group profile
NameSpecialtyState
Registered Dietitian Or Nutrition ProfessionalIL
-TX
Registered Dietitian Or Nutrition ProfessionalTX
-TX
-TX
-TX
Registered Dietitian Or Nutrition ProfessionalTX
Registered Dietitian Or Nutrition ProfessionalTX
Registered Dietitian Or Nutrition ProfessionalTX
Registered Dietitian Or Nutrition ProfessionalTX

Reviews

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Frequently asked questions

What unique ID ties claims to NANCY ANN DAVISON (MS, RDN, LD)?
NPI 1013644194 is assigned to NANCY ANN DAVISON (MS, RDN, LD) under the national enumeration system.
Does this profile mean NANCY ANN DAVISON (MS, RDN, LD) is currently active?
Yes — NANCY ANN DAVISON (MS, RDN, LD) appears active in the national provider directory.
Can you summarize NANCY ANN DAVISON (MS, RDN, LD)'s specialty in plain language?
Clinically, the directory lists NANCY ANN DAVISON (MS, RDN, LD) with Registered Dietitian. Clinical services aligned with this taxonomy classification.
Where is NANCY ANN DAVISON (MS, RDN, LD)'s primary listing?
We display Deer Park, Illinois because that is what the record indicates for NANCY ANN DAVISON (MS, RDN, LD).
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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