Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Marc Lee Melcher, MD, PHD
Surgery Physician in Palo Alto, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1003870486
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Registry record
Entity type Individual (Type 1)
Name Marc Lee Melcher
Credential MD, PHD
Sex Male
Practice address 725 Welch Rd, Palo Alto, CA, 94304
Phone (650) 497-8000
Fax (650) 723-3997
Enumeration date Apr 13, 2006
Last updated in NPPES Apr 28, 2024
Taxonomy & licenses
204F00000X Transplant Surgery Physician Allopathic & Osteopathic Physicians · License A73407 (CA) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00A734070 | Medicaid | CA | - |
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Marc Melcher?
The National Provider Identifier (NPI) for Marc Melcher is 1003870486, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marc Melcher practice?
The practice location on file with NPPES is in Palo Alto, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Fred Laningham Pediatric Radiology Physician · Palo Alto, CA NPI 1962405753 David Ansel Developmental - Behavioral Pediatrics Physician · Palo Alto, CA NPI 1376547612 Allen Eskenazi Pediatrics Physician · Palo Alto, CA NPI 1487658332 Mohamed Hasan Neonatal-Perinatal Medicine Physician · Palo Alto, CA NPI 1538164470 Erin Holsinger Pediatrics Physician · Palo Alto, CA NPI 1003817347 Francisco Alvarez Hospitalist Physician · Palo Alto, CA NPI 1174525612 Katayoon Shahinfar Pediatrics Physician · Palo Alto, CA NPI 1700874559 Veronica Rooks Pediatric Radiology Physician · Palo Alto, CA NPI 1457341935
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-28.