ANN J LEWIS M.D., PH.D
NPI 1285773366
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in Santa Clara, CA

Q: What is Ann Lewis's NPI number?

The NPI number for Ann Lewis is 1285773366. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Q: What is Ann Lewis's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Q: When was this NPI record last updated?

The NPPES record for Ann Lewis was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since February 06, 2007PECOS Enrolled

710 LAWRENCE EXPY, HOMESTEAD MOB, DEPT 190; TPMG PEDIATRICS, SANTA CLARA, CA 95051(408) 851-9896(408) 851-1199 Get Directions Write a Review

NPPES record last updated: December 14, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ann J Lewis M.d., Ph.d NPPES

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

ANN J LEWIS M.D., PH.D (NPI 1285773366) is an individual neurology with special qualifications in child neurology provider in Santa Clara, California, licensed in California (A72730) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285773366

Entity TypeIndividualFemale

Primary Taxonomy2084N0402X

Provider Legal NameANN J LEWISCredential: M.D., PH.D

Location Address710 LAWRENCE EXPY, HOMESTEAD MOB, DEPT 190; TPMG PEDIATRICSSanta Clara, CA 95051-5173

Mailing Address710 Lawrence Expy, Homestead Mob, Dept 190; Tpmg PediatricsSanta Clara, CA 95051-5173 · (408) 851-9896 · Fax (408) 851-1199

Phone(408) 851-9896

Fax(408) 851-1199

Sole ProprietorNo

Enumeration DateFebruary 6, 2007

Last NPPES UpdateDecember 14, 2021

✔ NPI 1285773366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Neurology with Special Qualifications in Child NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0402X

License✔ Licensed in CA · A72730

Definition

A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.

Also ListedPediatricsTaxonomy 208000000X · License A72730 (CA)

710 LAWRENCE EXPY, Santa Clara, CA 95051

Open in Google Maps ↗

Other Identifiers 1

Medicaid00A727300CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann J Lewis M.d., Ph.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.

Medicare Billing Reassignment

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

Permanente Medical Group Inc

0.1 mi

Internal Medicine

710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1073606299 (408) 851-1000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95051 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

$156.67 typical visit price

range $70.37 – $206.04

Typical copayment $39.16 (range $17.59 – $51.51)

Most-billed visit code 99204

Established Patient

$121.77 typical visit price

range $23.96 – $169.60

Typical copayment $30.44 (range $5.99 – $42.40)

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.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. SHARLENE JUNIO MADANES N.P.

Nurse Practitioner (Family)

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-3829

ELLEN CHINCHILLI MD

Student in an Organized Health Care Education/Training Program

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-3817

SWARNA L KONERU RD

Dietitian, Registered

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1000

MRS. BRIDGET M. BOUYSSOUNOUSE P.T.

Physical Therapist

710 LAWRENCE EXPY, DEPT. #174
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1466

FLAIR D. GOLDMAN DPM

Podiatrist

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 236-6400

MR. KRISNA P CHAI M.D.

Internal Medicine (Gastroenterology)

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1000

KARISSA TAAN MPT

Physical Therapist

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1492

ANDREA B. HUTCHINSON MD

Obstetrics & Gynecology

710 LAWRENCE EXPY
SANTA CLARA, CA 95051

Santa Clara County (408) 851-1000

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 Ann Lewis's NPI number?

The NPI number for Ann Lewis is 1285773366. It was assigned to this individual provider in the NPPES registry on February 6, 2007.

Where is Ann Lewis located?

Ann Lewis practices at 710 Lawrence Expy Homestead Mob, Dept 190; Tpmg Pediatrics, Santa Clara, CA 95051. The listed phone number is (408) 851-9896.

What is Ann Lewis's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology with Special Qualifications in Child Neurology, with taxonomy code 2084N0402X.

Is Ann Lewis enrolled in Medicare?

Yes. Ann Lewis is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Ann Lewis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ann Lewis reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). 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 Ann Lewis'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 Ann Lewis was last updated on December 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.