Individual provider · Type 1 NPI

Kimberly Nicole Grelli, MD

Neonatal-Perinatal Medicine Physician · Walnut Creek, CA

NPI number 1255758512 Active

Practice location

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122

Call (925) 947-5350 Map

Fax (925) 947-5350

Other practice locations

  • PO Box 734, San Francisco, CA 94104-0734 · (415) 502-8231
  • 725 Welch Rd, Palo Alto, CA 94304-1601 · (650) 497-8000

Specialties and licenses

TaxonomyCodeLicense
Pediatrics Physician 208000000XA147133 (CA)
Neonatal-Perinatal Medicine Physician Primary 2080N0001XA147133 (CA)

Neonatal-Perinatal Medicine Physician: A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

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About NPI 1255758512

Kimberly Nicole Grelli, MD's National Provider Identifier is 1255758512, issued on Mar 25, 2014. The primary taxonomy on file is Neonatal-Perinatal Medicine Physician (2080N0001X), and the practice location is in Walnut Creek, CA. The record was last updated on Oct 31, 2025.