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LAUREN MICHAEL CARPENTER MD
NPI 1528647674
Internal Medicine in Palo Alto, CA

Active since April 06, 2021PECOS Enrolled
300 PASTEUR DR, PALO ALTO, CA 94304(650) 723-4000 Get Directions Write a Review

NPPES record last updated: August 1, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Lauren Michael Carpenter Md NPPES

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

LAUREN MICHAEL CARPENTER MD (NPI 1528647674) is an individual internal medicine provider in Palo Alto, California, licensed in California (A202371) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS and is a graduate of University Of Colorado School Of Medicine, Aurora (2021).

NPPES Registry Identity

NPI1528647674
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameLAUREN MICHAEL CARPENTERCredential: MD
Location Address300 PASTEUR DRPalo Alto, CA 94304-2203
Mailing Address300 Pasteur DrPalo Alto, CA 94304-2203
Phone(650) 723-4000
Sole ProprietorNo
Medical School CMSUniversity Of Colorado School Of Medicine, AuroraGraduated 2021
Enumeration DateApril 6, 2021
Last NPPES UpdateAugust 1, 2025
NPPES CertifiedJuly 21, 2025
✔ NPI 1528647674 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A202371
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
300 PASTEUR DR, Palo Alto, CA 94304
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lauren Michael Carpenter Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6406256437
PECOS Enrollment IDI20250619001139
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 Reassignments

2

Medicare enrollment records show Lauren Carpenter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Stanford Health Care
0.1 mi
General Acute Care Hospital
300 PASTEUR DRIVE
Stanford, CA 94305
  • Reassigned Medicare billing, California enrollment
  • 4,258 clinicians in this Medicare group
NPI 1437292927 (650) 723-4000
Lpch Medical Group Div Of Lucile
0.2 mi
Children
725 WELCH RD
Palo Alto, CA 94304
  • Reassigned Medicare billing, California enrollment
  • 3,617 clinicians in this Medicare group
NPI 1417907940 (650) 498-6762

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 94304 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.

RHEA MATHEW NP
Nurse Practitioner
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
JUSTIN AYALA BIRNBAUM M.D.
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
MAHENDRA TAKASHI BHATI MD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
ANDREA ERIKA AMENT M.D.
Psychiatry & Neurology (Psychosomatic Medicine)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
CATHERINE BENEDICT PHD
Psychologist (Clinical)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
RYAN THOMAS ASH MD, PHD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
ARDEN MARIE MORRIS MD
Colon & Rectal Surgery
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000
BENJAMIN ZEWDU BELAI MD
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
PALO ALTO, CA 94304
Santa Clara County (650) 723-4000

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 Lauren Carpenter's NPI number?

The NPI number for Lauren Carpenter is 1528647674. It was assigned to this individual provider in the NPPES registry on April 6, 2021.

Where is Lauren Carpenter located?

Lauren Carpenter practices at 300 Pasteur Dr, Palo Alto, CA 94304. The listed phone number is (650) 723-4000.

What is Lauren Carpenter's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Lauren Carpenter enrolled in Medicare?

Yes. Lauren Carpenter is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Lauren Carpenter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lauren Carpenter reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, CA). Each 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 Lauren Carpenter'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 Lauren Carpenter was last updated on August 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.