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CAROLYN A. MCCLAIN M.D.
NPI 1649472929
Preventive Medicine - Public Health & General Preventive Medicine in Portola Valley, CA

Active since May 31, 2007PECOS Enrolled
MAISON MEDICAL, 150 PORTOLA RD, PORTOLA VALLEY, CA 94028(650) 530-0015 Get Directions Write a Review

NPPES record last updated: February 16, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Carolyn A. Mcclain M.d. NPPES

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

CAROLYN A. MCCLAIN M.D. (NPI 1649472929) is an individual public health & general preventive medicine provider in Portola Valley, California, licensed in California (C180898) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1649472929
Entity TypeIndividualFemale
Primary Taxonomy2083P0901X
Provider Legal NameCAROLYN A. MCCLAINCredential: M.D.
Location AddressMAISON MEDICAL, 150 PORTOLA RDPortola Valley, CA 94028-0000
Mailing Address150 Portola Rd Ste APortola Valley, CA 94028-7852 · (650) 530-0015 · Fax (650) 353-9266
Phone(650) 530-0015
Sole ProprietorNo
Enumeration DateMay 31, 2007
Last NPPES UpdateFebruary 16, 2026
NPPES CertifiedFebruary 16, 2026
✔ NPI 1649472929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Public Health & General Preventive MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2083P0901X
License✔ Licensed in CA · C180898
Definition
Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.
MAISON MEDICAL, Portola Valley, CA 94028
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carolyn A. Mcclain M.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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94028 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Carolyn Mcclain's NPI number?

The NPI number for Carolyn Mcclain is 1649472929. It was assigned to this individual provider in the NPPES registry on May 31, 2007.

Where is Carolyn Mcclain located?

Carolyn Mcclain practices at Maison Medical 150 Portola Rd, Portola Valley, CA 94028. The listed phone number is (650) 530-0015.

What is Carolyn Mcclain's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Is Carolyn Mcclain enrolled in Medicare?

Yes. Carolyn Mcclain is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Carolyn Mcclain was last updated on February 16, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.