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STURDY HEALTH INC
NPI 1053605634
Internal Medicine - Hematology & Oncology in Attleboro, MA

Active since June 01, 2011CLIA 22D1014720 · Waiver
20 ONEIL BLVD, ATTLEBORO, MA 02703(508) 236-8525(508) 342-1927 Get Directions Write a Review

NPPES record last updated: January 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 13, 2026, May 14, 2025, Mar 9, 2022 (3 updates tracked since 2022).

About Sturdy Health Inc NPPES

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

STURDY HEALTH INC (NPI 1053605634), doing business as Sturdy Hematology & Oncology Associates, is a healthcare organization registered as a hematology & oncology in Attleboro, Massachusetts and active in the NPI registry since June 2011. The organization holds a CLIA Waiver certificate valid through July 14, 2027 and lists Amy Pfeffer, Cfo, as its authorized official.

NPPES Registry Identity

NPI1053605634
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameSTURDY HEALTH INC
Location Address20 ONEIL BLVDAttleboro, MA 02703-1854
Mailing Address20 Oneil BlvdAttleboro, MA 02703-1854 · (508) 236-8525 · Fax (508) 342-1927
Phone(508) 236-8525
Fax(508) 342-1927
Organization SubpartNo
Authorized OfficialAmy PfefferCfo · (508) 236-8150
Enumeration DateJune 1, 2011
Last NPPES UpdateJanuary 13, 20263 updates tracked since enumeration
NPPES CertifiedJanuary 13, 2026
✔ NPI 1053605634 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
20 ONEIL BLVD, Attleboro, MA 02703
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Other Names 1

Doing Business AsSturdy Hematology & Oncology Associates

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sturdy Health Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Sturdy Health Inc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Kenneth Bishop, MD
Medical Oncology
NPI 1598925091
28 STURDY ST
Attleboro, MA 02703
(508) 236-8525
✔ PECOS✔ Accepts Medicare0.2 mi
Asma Latif, M.D.
Hematology/Oncology
NPI 1013133560
19 STURDY ST
Attleboro, MA 02703
(508) 236-8525
✔ PECOS✔ Accepts Medicare0.2 mi
Margaret Koehler
Nurse Practitioner
NPI 1932594892
593 EDDY ST COMPREHENSIVE CANCER CENTER
Providence, RI 02903
(401) 952-9223
✔ PECOS✔ Accepts Medicare11 mi
Sabrina Witherby, M.D.
Hematology/Oncology
NPI 1881811008
593 EDDY STREET APC MAIN
Providence, RI 02903
(401) 444-5435
✔ PECOS✔ Accepts Medicare11 mi
Ewa Niemierko, M.D.
Hematology/Oncology
NPI 1447233549
131 ORNAC JOHN CUMMING BLDG #200
Concord, MA 01742
(978) 287-3436
✔ PECOS✔ Accepts Medicare31 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 22D1014720

Sturdy Health Pediatrics - Pleasant Street · Attleboro, MA
Active · expires Jul 14, 2027
CLIA Number22D1014720
Laboratory TypePhysician Office
Certificate Effective DateJuly 15, 2025
Certificate Expiration DateJuly 14, 2027
Laboratory DirectorJennifer Thomson
Laboratory Phone(508) 431-5100
Laboratory LocationSturdy Health Pediatrics - Pleasant Street159 Pleasant Street, Attleboro, MA 02703
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Sturdy Health Inc's NPI number?

The NPI number for Sturdy Health Inc is 1053605634. It was assigned to this organization in the NPPES registry on June 1, 2011. The provider is doing business as Sturdy Hematology & Oncology Associates.

Where is Sturdy Health Inc located?

Sturdy Health Inc is located at 20 Oneil Blvd, Attleboro, MA 02703. The listed phone number is (508) 236-8525.

What is Sturdy Health Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Sturdy Health Inc enrolled in Medicare?

Yes. Sturdy Health Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sturdy Health Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Sturdy Health Inc. A 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 the clinician's services. The largest specialties are Hematology/Oncology (3), Medical Oncology (1) and Nurse Practitioner (1). Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Sturdy Health Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 22D1014720) is associated with this NPI, valid through July 14, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Sturdy Health Inc accept?

Health plans from Anthem Blue Cross and Blue Shield list Sturdy Health Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sturdy Health Inc was last updated on January 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.