CHELSEA LYNN HAYNES MD
NPI 1386267904
Pediatrics - Pediatric Hematology-Oncology in Providence, RI

Active since May 19, 2020PECOS Enrolled
593 EDDY ST, PROVIDENCE, RI 02903(401) 444-8805(401) 444-2988 Get Directions Write a Review

NPPES record last updated: June 17, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Chelsea Lynn Haynes Md NPPES

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

CHELSEA LYNN HAYNES MD (NPI 1386267904) is an individual pediatric hematology-oncology provider in Providence, Rhode Island, licensed in Rhode Island (MD19287) and active in the NPI registry since May 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Providence, and is a graduate of Warren Alpert Medical School Of Brown University (2020).

NPPES Registry Identity

NPI1386267904
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameCHELSEA LYNN HAYNESCredential: MD
Location Address593 EDDY STProvidence, RI 02903-4923
Mailing Address593 Eddy StProvidence, RI 02903-4923 · (401) 444-8805 · Fax (401) 444-2988
Fax(401) 444-2988
Sole ProprietorYes
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 2020
Enumeration DateMay 19, 2020
Last NPPES UpdateJune 17, 2026
NPPES CertifiedJune 17, 2026
✔ NPI 1386267904 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 RI · MD19287
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 MD19287 (RI)
593 EDDY ST, Providence, RI 02903

Secondary Practice Location 1

Location 1101 Dudley StProvidence, RI 02905-2401 · Phone (401) 274-1122

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chelsea Lynn Haynes Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2567893845
PECOS Enrollment IDI20260625000548
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 Reassignment

Medicare enrollment records show Chelsea Haynes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
101 DUDLEY STREET, WIH DEPT OF ANESTHESIOLOGY
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 984 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 20

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

Anesthesiology
593 EDDY ST, APC 6
PROVIDENCE, RI 02903
Surgery
593 EDDY ST
PROVIDENCE, RI 02903
General Acute Care Hospital
593 EDDY ST, MAIN 4
PROVIDENCE, RI 02903
Pathology (Anatomic Pathology & Clinical Pathology)
593 EDDY ST
PROVIDENCE, RI 02903
Psychiatry & Neurology (Neurology)
593 EDDY ST
PROVIDENCE, RI 02903
Physician Assistant
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903
Student in an Organized Health Care Education/Training Program
593 EDDY ST
PROVIDENCE, RI 02903

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 Chelsea Haynes's NPI number?

The NPI number for Chelsea Haynes is 1386267904. It was assigned to this individual provider in the NPPES registry on May 19, 2020.

Where is Chelsea Haynes located?

Chelsea Haynes practices at 593 Eddy St, Providence, RI 02903. The listed phone number is (401) 444-8805.

What is Chelsea Haynes's specialty?

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

Is Chelsea Haynes enrolled in Medicare?

Yes. Chelsea Haynes is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Chelsea Haynes's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea Haynes reassigns Medicare benefits to Affinity Physicians LLC (Providence, RI). The 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 Chelsea Haynes'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 Chelsea Haynes was last updated on June 17, 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.