DR. JULIE L. GUAY (PSY.D., ABPP) – Clinical Neuropsychologist, NPI 1831331420

DR. JULIE L. GUAY (PSY.D., ABPP) is a healthcare provider. based in Berwyn, Pennsylvania. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PSY.D., ABPP. They hold a License No. PS016479 (PA). The NPI Number for DR. JULIE L. GUAY (PSY.D., ABPP) is 1831331420

Main info

Female
Sole Proprietor
20 Years Of Experience
Accepts Medicare Assignment
Name
DR. JULIE L. GUAY (PSY.D., ABPP)
NPI
1831331420
Phone
(610) 241-4331
Address
1199 LANCASTER AVE STE 110
Enumeration Date
30 March 2009
Last Update Date
28 March 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6102414331
Graduation Year
2006 (20 years ago)
PAC ID
9234399064
Group Practice PAC ID
0648577361
Professional Enrollment ID
I20120402000080
Address ID
PA193121341BE1199XAVEX303
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience58
Completeness75
Years active:17State licenses:1Digital endpointsOther names

1,669 CLINICAL PSYCHOLOGIST in PA

Provider Addresses for DR. JULIE L. GUAY (PSY.D., ABPP)

  • 1199 LANCASTER AVE STE 110

    BERWYN, PA 193121341

    Phone: (610) 241-4331

    Fax: (484) 416-0560

    Type: Mailing

  • Bryn Mawr Rehab Hospital, 414, Paoli Pike, Goshenville, East Goshen Township, Chester County, Pennsylvania, 19355, United States

    MALVERN, PA 19355

    Phone: (484) 596-5430

    Fax: (610) 296-3788

    Type: Location

  • Lancaster Avenue, Berwyn, Easttown Township, Chester County, Pennsylvania, 19301, United States

    BERWYN, PA 193121341

    Phone: (610) 241-4331

    Fax: (484) 416-0560

    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: 2012-04-02

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
I20120402000080IClinical PsychologistPATBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
96139Administration of psychological or neuropsychological test by technician, each additional 30 minutes29646$0
96133Evaluation of neuropsychological test, each additional hour19757$0
96137Administration of psychological or neuropsychological test, each additional 30 minutes6411$0
96132Evaluation of neuropsychological test, first hour5958$0
90791Psychiatric diagnostic evaluation5955$0
View full utilization report →

Insurance plans in this area (ZIP 19312)

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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: 0648577361View full group profile
NameSpecialtyState
Clinical PsychologistPA
Clinical PsychologistPA
Clinical PsychologistPA

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Frequently asked questions

Does DR. JULIE L. GUAY (PSY.D., ABPP) have a public NPI I can cite?
Public records show DR. JULIE L. GUAY (PSY.D., ABPP) under NPI 1831331420.
Should I treat DR. JULIE L. GUAY (PSY.D., ABPP) as an active provider?
Patients and plans typically see DR. JULIE L. GUAY (PSY.D., ABPP) as active in the national extract.
Which specialty label fits DR. JULIE L. GUAY (PSY.D., ABPP)?
NPPES ties DR. JULIE L. GUAY (PSY.D., ABPP) to Clinical Neuropsychologist in the taxonomy section. Clinical services aligned with this taxonomy classification.
What city is tied to DR. JULIE L. GUAY (PSY.D., ABPP)?
The directory associates DR. JULIE L. GUAY (PSY.D., ABPP) with Berwyn, Pennsylvania. Check all listed addresses for suites or satellite offices.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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