DR. ALEXIS ALLYSON MELTON M.D., PH.D.
NPI 1285860858
Pediatrics - Pediatric Hematology-Oncology in San Francisco, CA

Active since June 09, 2009PECOS Enrolled
550 16TH ST # 434, SAN FRANCISCO, CA 94158(415) 476-3831 Get Directions Write a Review

NPPES record last updated: August 4, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alexis Allyson Melton M.d., Ph.d. NPPES

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

DR. ALEXIS ALLYSON MELTON M.D., PH.D. (NPI 1285860858) is an individual pediatric hematology-oncology provider in San Francisco, California, licensed in California (A118618) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285860858
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameDR. ALEXIS ALLYSON MELTONCredential: M.D., PH.D.
Location Address550 16TH ST # 434San Francisco, CA 94158-2549
Mailing Address3972 1/2 25th StSan Francisco, CA 94114-3802 · (617) 676-5682
Sole ProprietorNo
Enumeration DateJune 9, 2009
Last NPPES UpdateAugust 4, 2023
NPPES CertifiedAugust 4, 2023
✔ NPI 1285860858 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in CA · A118618
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License A118618 (CA)
550 16TH ST # 434, San Francisco, CA 94158

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexis Allyson Melton M.d., Ph.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.

Medicare Billing Reassignments

2

Medicare enrollment records show Alexis Melton reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES

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

General Acute Care Hospital (Children)
550 16TH ST # 434
SAN FRANCISCO, CA 94158

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 Alexis Melton's NPI number?

The NPI number for Alexis Melton is 1285860858. It was assigned to this individual provider in the NPPES registry on June 9, 2009.

Where is Alexis Melton located?

Alexis Melton practices at 550 16th St # 434, San Francisco, CA 94158. The listed phone number is (415) 476-3831.

What is Alexis Melton's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Alexis Melton enrolled in Medicare?

Yes. Alexis Melton is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Alexis Melton's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexis Melton reassigns Medicare benefits to 2 organizations: Ucsf Pediatrics Associates (San Francisco, CA) and University Of California San Francisco (San Francisco, CA). Each 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 Alexis Melton'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 Alexis Melton was last updated on August 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.