DR. CLIFFORD LEWIS (PH.D.) – Clinical Psychologist, NPI 1497737696

DR. CLIFFORD LEWIS (PH.D.) is a healthcare provider. based in Sacramento, California. specializing in CLINICAL PSYCHOLOGIST. They hold the professional credentials PH.D.. They hold a License No. PSY6723 (CA). The NPI Number for DR. CLIFFORD LEWIS (PH.D.) is 1497737696

Main info

Male
Sole Proprietor
49 Years Of Experience
Accepts Medicare Assignment
Name
DR. CLIFFORD LEWIS (PH.D.)
NPI
1497737696
Phone
Not provided
Address
555 UNIVERSITY AVENUE, SUITE 235
Enumeration Date
15 November 2005
Last Update Date
23 April 2012

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9169780522
Graduation Year
1977 (49 years ago)
PAC ID
1456483007
Professional Enrollment ID
I20100716000346
Address ID
CA958256505SA555XXAVEX301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

4,434 CLINICAL PSYCHOLOGIST in CA

Loading map...

Provider Addresses for DR. CLIFFORD LEWIS (PH.D.)

  • 555 UNIVERSITY AVENUE, SUITE 235

    SACRAMENTO, CA 958256505

    Phone:

    Type: Mailing

  • 235, University Avenue, Sacramento, Sacramento County, California, 95825, United States

    SACRAMENTO, CA 958256505

    Phone: (916) 978-0522

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

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: 2010-07-16

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
I20100716000346IClinical PsychologistCATBD

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 95825)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What is the registry number for DR. CLIFFORD LEWIS (PH.D.)?
The registry entry for DR. CLIFFORD LEWIS (PH.D.) shows NPI 1497737696.
Does the public listing show DR. CLIFFORD LEWIS (PH.D.) as active?
DR. CLIFFORD LEWIS (PH.D.)'s NPI record reflects an active status in NPPES.
How should patients interpret DR. CLIFFORD LEWIS (PH.D.)'s specialty?
The extract shows Clinical Psychologist for DR. CLIFFORD LEWIS (PH.D.). Clinical services aligned with this taxonomy classification.
What geographic area is tied to DR. CLIFFORD LEWIS (PH.D.)?
DR. CLIFFORD LEWIS (PH.D.) is associated with Sacramento, California in the same public data insurers reference.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

Similar Providers

University of California, Davis Medical Center, 2315, Stockton Boulevard, Sacramento, Sacramento County, California, 95817, United States
NPI: 1114908589

DR. RICHARD WANLASS (PH.D.)

Rehabilitation Psychologist
Lawrence J. Ellison Ambulatory Care Center, 4860, Y Street, Sacramento, Sacramento County, California, 95817, United States
NPI: 1629059092

DR. GEORGANNA R SEDLAR (PH.D.)

Clinical Child & Adolescent Psychologist
3671 Business Dr
NPI: 1477535789
8365, Stonybeck Circle, Sacramento County, California, 95828, United States
NPI: 1487636809

DR. LORA DECRISTOFORO (PSY.D.)

Clinical Psychologist
5420, D Street, East Sacramento, Sacramento, Sacramento County, California, 95819, United States
NPI: 1558344762

SUE BARTON (PSY.D.)

Clinical Psychologist
Lawrence J. Ellison Ambulatory Care Center, 4860, Y Street, Sacramento, Sacramento County, California, 95817, United States
NPI: 1144203746

DR. MARTIN ROGERS (PH.D.)

Clinical Psychologist
2365, El Camino Avenue, Arden-Arcade, Sacramento County, California, 95821, United States
NPI: 1720062870

Unknown Individual

Clinical Psychologist
2150, Stockton Boulevard, Sacramento, Sacramento County, California, 95817, United States
NPI: 1518941483
3671, Business Drive, Depot Park, Brighton, Sacramento, Sacramento County, California, 95820, United States
NPI: 1427033885