Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MAHNOOSH SHARIFI M.D.
NPI 1750549531
Pediatrics in Atherton, CA

Active since May 28, 2008PECOS Enrolled
3351 EL CAMINO REAL STE 100, ATHERTON, CA 94027(203) 688-6503 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Mahnoosh Sharifi M.d. NPPES

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

MAHNOOSH SHARIFI M.D. (NPI 1750549531) is an individual pediatrics provider in Atherton, California, licensed in California (C211921) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1750549531
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameMAHNOOSH SHARIFICredential: M.D.
Location Address3351 EL CAMINO REAL STE 100Atherton, CA 94027-3802
Mailing Address453 Quarry RdPalo Alto, CA 94304-1419
Sole ProprietorNo
Enumeration DateMay 28, 2008
Last NPPES UpdateSeptember 23, 2026
NPPES CertifiedSeptember 23, 2026
✔ NPI 1750549531 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in CA · C211921✔ Licensed in CT · 054971✔ Licensed in MA · 243744
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.
3351 EL CAMINO REAL STE 100, Atherton, CA 94027

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mahnoosh Sharifi 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 94027 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 3

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

Pediatrics
3351 EL CAMINO REAL STE 100
ATHERTON, CA 94027
Dentist (General Practice)
3351 EL CAMINO REAL STE 100
ATHERTON, CA 94027
Pediatrics
3351 EL CAMINO REAL STE 100
ATHERTON, CA 94027

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 Mahnoosh Sharifi's NPI number?

The NPI number for Mahnoosh Sharifi is 1750549531. It was assigned to this individual provider in the NPPES registry on May 28, 2008.

Where is Mahnoosh Sharifi located?

Mahnoosh Sharifi practices at 3351 El Camino Real Ste 100, Atherton, CA 94027. The listed phone number is (203) 688-6503.

What is Mahnoosh Sharifi's specialty?

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

Is Mahnoosh Sharifi enrolled in Medicare?

Yes. Mahnoosh Sharifi is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mahnoosh Sharifi was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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.