ERIN MCMILLAN MD
NPI 1821525734
Pediatrics in Santa Clara, CA

Q: What is Erin Mcmillan's NPI number?

The NPI number for Erin Mcmillan is 1821525734. It was assigned to this individual provider in the NPPES registry on May 23, 2017.

Q: What is Erin Mcmillan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Erin Mcmillan was last updated on December 20, 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 May 23, 2017PECOS Enrolled

710 LAWRENCE EXPY, SANTA CLARA, CA 95051(408) 851-1000 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 20, 2021, Oct 16, 2021, Dec 5, 2019 and 1 more (4 updates tracked since 2017).

On this page

About Erin Mcmillan Md NPPES

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

ERIN MCMILLAN MD (NPI 1821525734) is an individual pediatrics provider in Santa Clara, California, licensed in California (A172726) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821525734

Entity TypeIndividualFemale

Primary Taxonomy208000000X

Provider Legal NameERIN MCMILLANCredential: MD

Location Address710 LAWRENCE EXPYSanta Clara, CA 95051-5173

Mailing Address710 Lawrence ExpySanta Clara, CA 95051-5173

Phone(408) 851-1000

Sole ProprietorNo

Enumeration DateMay 23, 2017

Last NPPES UpdateDecember 20, 20214 updates tracked since enumeration

NPPES CertifiedOctober 16, 2021

✔ NPI 1821525734 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

Licenses✔ Licensed in CA · A172726✔ Licensed in MA · 271132

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

710 LAWRENCE EXPY, Santa Clara, CA 95051

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Erin Mcmillan Md 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 Erin Mcmillan 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

$106.47 typical visit price

range $70.37 – $206.04

Typical copayment $26.61 (range $17.59 – $51.51)

Most-billed visit code 99203

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 Erin Mcmillan's NPI number?

The NPI number for Erin Mcmillan is 1821525734. It was assigned to this individual provider in the NPPES registry on May 23, 2017.

Where is Erin Mcmillan located?

Erin Mcmillan practices at 710 Lawrence Expy, Santa Clara, CA 95051. The listed phone number is (408) 851-1000.

What is Erin Mcmillan's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Erin Mcmillan enrolled in Medicare?

Yes. Erin Mcmillan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Erin Mcmillan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Erin Mcmillan 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 Erin Mcmillan'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 Erin Mcmillan was last updated on December 20, 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.