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

MELISSA SONG ZHOU MD
NPI 1609499201
Pediatrics - Pediatric Nephrology in Palo Alto, CA

Q: What is Melissa Zhou's NPI number?

The NPI number for Melissa Zhou is 1609499201. It was assigned to this individual provider in the NPPES registry on May 19, 2020.

Q: What is Melissa Zhou's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.

Q: When was this NPI record last updated?

The NPPES record for Melissa Zhou was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 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.

Active since May 19, 2020PECOS Enrolled

725 WELCH RD, PALO ALTO, CA 94304(650) 497-8000 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 7, 2026, Jul 5, 2023, Jun 16, 2023 and 1 more (4 updates tracked since 2020).

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About Melissa Song Zhou Md NPPES

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

MELISSA SONG ZHOU MD (NPI 1609499201) is an individual pediatric nephrology provider in Palo Alto, California, licensed in California (A187045) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2020).

NPPES Registry Identity

NPI1609499201

Entity TypeIndividualFemale

Primary Taxonomy2080P0210X

Provider Legal NameMELISSA SONG ZHOUCredential: MD

Location Address725 WELCH RDPalo Alto, CA 94304-1601

Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000

Phone(650) 497-8000

Sole ProprietorNo

Medical School CMSYale University School Of MedicineGraduated 2020

Enumeration DateMay 19, 2020

Last NPPES UpdateJuly 7, 20264 updates tracked since enumeration

NPPES CertifiedJuly 7, 2026

✔ NPI 1609499201 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0210X

License✔ Licensed in CA · A187045

Definition

A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.

Also ListedPediatricsTaxonomy 208000000X · License A187045 (CA)

725 WELCH RD, Palo Alto, CA 94304

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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)

Melissa Song Zhou Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2567926413

PECOS Enrollment IDI20260710003598

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.

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.

EIRI INENAGA MS, OTR/L

Occupational Therapist (Pediatrics)