EARL BYRD CHISM
NPI 1811630031
Pediatrics - Pediatric Critical Care Medicine in San Francisco, CA

Active since April 15, 2022PECOS Enrolled
550 16TH STREET, 4TH FLOOR, SAN FRANCISCO, CA 94143(415) 476-5001 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jul 27, 2026, Mar 28, 2023, Apr 15, 2022 (3 updates tracked since 2022).

About Earl Byrd Chism NPPES

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

EARL BYRD CHISM (NPI 1811630031) is an individual pediatric critical care medicine provider in San Francisco, California, licensed in California (A208489) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2023).

NPPES Registry Identity

NPI1811630031
Entity TypeIndividualMale
Primary Taxonomy2080P0203X
Provider Legal NameEARL BYRD CHISM
Location Address550 16TH STREET, 4TH FLOORSan Francisco, CA 94143-0110
Mailing Address550 16th Street, 4th FloorSan Francisco, CA 94143-0110 · (415) 476-5001
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2023
Enumeration DateApril 15, 2022
Last NPPES UpdateJuly 27, 20263 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1811630031 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0203X
License✔ Licensed in CA · A208489
Definition
A pediatrician expert in advanced life support for children from the term or near-term neonate to the adolescent. This competence extends to the critical care management of life-threatening organ system failure from any cause in both medical and surgical patients and to the support of vital physiological functions. This specialist may have administrative responsibilities for intensive care units and also facilitates patient care among other specialists.
Also ListedPediatricsTaxonomy 208000000X · License A208489 (CA)
550 16TH STREET, San Francisco, CA 94143

Secondary Practice Location 1

Location 11001 Potrero Ave Ste 6D37San Francisco, CA 94110-3518 · Phone (916) 947-3275

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Earl Byrd Chism is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1951742451
PECOS Enrollment IDI20260710003670
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

5

Medicare enrollment records show Earl Chism reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Clinic/Center
1700 25TH ST
San Francisco, CA 94107
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
Medical Oncology
995 POTRERO AVE, BLDG.80, RM 229
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 637 clinicians in this Medicare group
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
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 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 9

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

Obstetrics & Gynecology (Maternal & Fetal Medicine)
550 16TH STREET, UCSF WOMENS HEALTH
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
550 16TH STREET, 4TH FLOOR
SAN FRANCISCO, CA 94143
Neurological Surgery
550 16TH STREET
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
550 16TH STREET, 4TH FLOOR, 4551, #0110
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
550 16TH STREET, 4TH FLOOR
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
550 16TH STREET, 4TH FLOOR
SAN FRANCISCO, CA 94143
Student in an Organized Health Care Education/Training Program
550 16TH STREET, 4TH FLOOR
SAN FRANCISCO, CA 94143
Pediatrics
550 16TH STREET
SAN FRANCISCO, CA 94143

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 Earl Chism's NPI number?

The NPI number for Earl Chism is 1811630031. It was assigned to this individual provider in the NPPES registry on April 15, 2022.

Where is Earl Chism located?

Earl Chism practices at 550 16th Street 4th Floor, San Francisco, CA 94143. The listed phone number is (415) 476-5001.

What is Earl Chism's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Critical Care Medicine, with taxonomy code 2080P0203X.

Is Earl Chism enrolled in Medicare?

Yes. Earl Chism is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Earl Chism's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Earl Chism reassigns Medicare benefits to 5 organizations: City & County Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), 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 Earl Chism'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 Earl Chism was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.