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MATTHEW DECKER
NPI 1235766593
Pediatrics - Pediatric Hematology-Oncology in San Francisco, CA

Active since March 26, 2020PECOS Enrolled
1825 4TH ST FL 6, SAN FRANCISCO, CA 94143(415) 476-3831 Get Directions Write a Review

NPPES record last updated: June 4, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 4, 2026, Mar 26, 2020 (2 updates tracked since 2020).

About Matthew Decker NPPES

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

MATTHEW DECKER (NPI 1235766593) is an individual pediatric hematology-oncology provider in San Francisco, California, licensed in California (A178250) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of Columbia University College Of Physicians And Surgeons (2020).

NPPES Registry Identity

NPI1235766593
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameMATTHEW DECKER
Location Address1825 4TH ST FL 6San Francisco, CA 94143-2350
Mailing Address550 16th St Fl Hall4San Francisco, CA 94143-2549
Phone(415) 476-3831
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 2020
Enumeration DateMarch 26, 2020
Last NPPES UpdateJune 4, 20262 updates tracked since enumeration
NPPES CertifiedJune 4, 2026
✔ NPI 1235766593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in CA · A178250
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
1825 4TH ST FL 6, San Francisco, CA 94143
Open in Google Maps ↗

Secondary Practice Location 1

Location 1550 16th St Fl Hall4San Francisco, CA 94143-2549 · Phone (415) 476-5001

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Decker is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9133534183
PECOS Enrollment IDI20260624003163
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

3

Medicare enrollment records show Matthew Decker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucsf Pediatrics Associates
3.7 mi
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
NPI 1376614016 (415) 353-2000
University Of California San Francisco
3.7 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
3.7 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

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 20

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

MISS FEDNA MORENCY P.A.-C, ATC
Physician Assistant (Surgical)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 885-3800
DR. RANDEEP KAUR BRAR M.D.
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
IRENE JOAN CHANG M.D.
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
STEPHANIE CHAM M.D.
Obstetrics & Gynecology (Gynecologic Oncology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-9600
MONICA PENON PORTMANN MD
Pediatrics
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
HANNAH CHESSER M.D.
Pediatrics (Pediatric Endocrinology)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-7337
REVA FRANKEL MD
Medical Genetics (Clinical Genetics (M.D.))
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 476-2757
MISS CARMEN KAI MAN TSE R.D.
Dietitian, Registered (Nutrition, Pediatric)
1825 4TH ST FL 6
SAN FRANCISCO, CA 94143
San Francisco County (415) 353-2813

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 Matthew Decker's NPI number?

The NPI number for Matthew Decker is 1235766593. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Matthew Decker located?

Matthew Decker practices at 1825 4th St Fl 6, San Francisco, CA 94143. The listed phone number is (415) 476-3831.

What is Matthew Decker's specialty?

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

Is Matthew Decker enrolled in Medicare?

Yes. Matthew Decker is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Matthew Decker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Decker reassigns Medicare benefits to 3 organizations: Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Matthew Decker'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 Matthew Decker was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.