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DR. MARJORIE D ALPERT MD
NPI 1639124357
Pediatrics in Fremont, CA

Active since May 23, 2006PECOS Enrolled
2191 MOWRY AVE, SUITE 600 C, FREMONT, CA 94538(510) 792-4373(510) 792-3420 Get Directions Write a Review

NPPES record last updated: February 7, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Marjorie D Alpert Md NPPES

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

DR. MARJORIE D ALPERT MD (NPI 1639124357) is an individual pediatrics provider in Fremont, California, licensed in California (A055094) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1639124357
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. MARJORIE D ALPERTCredential: MD
Location Address2191 MOWRY AVE, SUITE 600 CFremont, CA 94538
Mailing Address2191 Mowry Ave, Suite 600 CFremont, CA 94538 · (510) 792-4373 · Fax (510) 792-3420
Phone(510) 792-4373
Fax(510) 792-3420
Sole ProprietorNo
Enumeration DateMay 23, 2006
Last NPPES UpdateFebruary 7, 2014
✔ NPI 1639124357 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A055094
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.
2191 MOWRY AVE, Fremont, CA 94538
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Other Identifiers 2

Medicare UPING66191
Medicaid00A550940CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marjorie D Alpert 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 Marjorie Alpert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Santa Clara
9.6 mi
Federally Qualified Health Center (FQHC)
143 N MAIN ST
Milpitas, CA 95035
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1043354020 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group
NPI 1285629899 (408) 885-5000

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 94538 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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 10

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

DR. PUNEET CHANDAK M.D.
Nuclear Medicine
2191 MOWRY AVE, SUITE 500-H
FREMONT, CA 94538
Alameda County (415) 595-8687
AV OPTOMETRY, INC.
Optometrist (Corneal and Contact Management)
2191 MOWRY AVE, SUITE 500-F
FREMONT, CA 94538
Alameda County (510) 742-1004
DR. PATRICK G BURKE MD
Pediatrics
2191 MOWRY AVE, 600C
FREMONT, CA 94538
Alameda County (510) 792-4373
DR. STEPHEN FRIEDKIN MD
Pediatrics
2191 MOWRY AVE, 600C
FREMONT, CA 94538
Alameda County (510) 792-4373
DENNIS SETZER UNSON MD
Pediatrics
2191 MOWRY AVE, STE 600C
FREMONT, CA 94538
Alameda County (510) 792-4373
SOUTH EAST BAY PEDIATRIC MED GROUP
Pediatrics
2191 MOWRY AVE, STE 600C
FREMONT, CA 94538
Alameda County (510) 792-4373
DR. SARA ELIZABETH DOBBS MD
Pediatrics
2191 MOWRY AVE, SUITE 600 C
FREMONT, CA 94538
Alameda County (510) 792-4373
MS. JUDITH E. KALINYAK MD, PHD
Nuclear Medicine
2191 MOWRY AVE, SUITE 500 H
FREMONT, CA 94538
Alameda County (510) 792-7276

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 Marjorie Alpert's NPI number?

The NPI number for Marjorie Alpert is 1639124357. It was assigned to this individual provider in the NPPES registry on May 23, 2006.

Where is Marjorie Alpert located?

Marjorie Alpert practices at 2191 Mowry Ave Suite 600 C, Fremont, CA 94538. The listed phone number is (510) 792-4373.

What is Marjorie Alpert's specialty?

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

Is Marjorie Alpert enrolled in Medicare?

Yes. Marjorie Alpert is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marjorie Alpert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marjorie Alpert reassigns Medicare benefits to County Of Santa Clara (Milpitas, 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 Marjorie Alpert'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 Marjorie Alpert was last updated on February 7, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.