1. Home
  2. Directory
  3. NPI Profile

DR. NANCY GISELLE DAVILA WILLIAMS PSY D.
NPI 1295976991
Psychologist - Clinical in Ponce, PR

Active since March 10, 2009PECOS Enrolled
1805 PASEO LA COLONIA, CODECH OFFICE PARK URB. CONSTANCIA, PONCE, PR 00717(787) 651-3720 Get Directions Write a Review

NPPES record last updated: April 8, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Nancy Giselle Davila Williams Psy D. NPPES

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

DR. NANCY GISELLE DAVILA WILLIAMS PSY D. (NPI 1295976991) is an individual clinical provider in Ponce, Puerto Rico, licensed in Puerto Rico (3326) and active in the NPI registry since March 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1295976991
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. NANCY GISELLE DAVILA WILLIAMSCredential: PSY D.
Location Address1805 PASEO LA COLONIA, CODECH OFFICE PARK URB. CONSTANCIAPonce, PR 00717-2253
Mailing AddressPo Box 7878Ponce, PR 00732-7878
Phone(787) 651-3720
Sole ProprietorYes
Enumeration DateMarch 10, 2009
Last NPPES UpdateApril 8, 2013
✔ NPI 1295976991 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in PR · 3326
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
1805 PASEO LA COLONIA, Ponce, PR 00717
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Nancy Giselle Davila Williams Psy D. 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 00717 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
$172.44 typical visit price
range $56.86 – $172.44
Typical copayment $43.11 (range $14.21 – $43.11)
Most-billed visit code 99205
Established Patient
$100.24 typical visit price
range $18.24 – $140.44
Typical copayment $25.06 (range $4.56 – $35.11)
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.

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 Nancy Davila Williams's NPI number?

The NPI number for Nancy Davila Williams is 1295976991. It was assigned to this individual provider in the NPPES registry on March 10, 2009.

Where is Nancy Davila Williams located?

Nancy Davila Williams practices at 1805 Paseo La Colonia Codech Office Park Urb. Constancia, Ponce, PR 00717. The listed phone number is (787) 651-3720.

What is Nancy Davila Williams's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Nancy Davila Williams enrolled in Medicare?

Yes. Nancy Davila Williams is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Nancy Davila Williams was last updated on April 8, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.