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SABRINA MARIA WITHERBY M.D.
NPI 1881811008
Internal Medicine - Hematology & Oncology in Providence, RI

Active since April 19, 2007PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
593 EDDY STREET, APC MAIN, PROVIDENCE, RI 02903(401) 444-5435(401) 444-8301 Get Directions Write a Review

NPPES record last updated: June 13, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 13, 2018, Dec 13, 2017 (2 updates tracked since 2017).

About Sabrina Maria Witherby M.d. NPPES

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

SABRINA MARIA WITHERBY M.D. (NPI 1881811008) is an individual hematology & oncology provider in Providence, Rhode Island, licensed in Rhode Island (MD12400) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS, is affiliated with Rhode Island Hospital, and is a graduate of University Of Massachusetts Medical School (2001).

NPPES Registry Identity

NPI1881811008
Entity TypeIndividualFemale
Primary Taxonomy207RH0003X
Provider Legal NameSABRINA MARIA WITHERBYCredential: M.D.
Location Address593 EDDY STREET, APC MAINProvidence, RI 02903-4923
Mailing Address117 Ellenfield St Ste 101Providence, RI 02905-4513 · (401) 444-6779 · Fax (401) 444-6912
Phone(401) 444-5435
Fax(401) 444-8301
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2001
Enumeration DateApril 19, 2007
Last NPPES UpdateJune 13, 20182 updates tracked since enumeration
✔ NPI 1881811008 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in RI · MD12400
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.
593 EDDY STREET, Providence, RI 02903
Open in Google Maps ↗

Other Identifiers 1

MedicaidSW68672RI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Sabrina Maria Witherby M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567557689
PECOS Enrollment IDI20071004000659
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.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
192 services119 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
62 services57 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
55 services36 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Rhode Island Hospital

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipTribal
CMS Certification Number410007
Location593 Eddy StreetProvidence, RI 02903 · Providence County
Emergency services

The Miriam Hospital

Acute Care Hospitals · Providence, RI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410012
Location164 Summit AvenueProvidence, RI 02906 · Providence County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02903 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$177.03 typical visit price
range $58.57 – $177.03
Typical copayment $44.25 (range $14.64 – $44.25)
Most-billed visit code 99205
Established Patient
$103.10 typical visit price
range $18.92 – $144.38
Typical copayment $25.77 (range $4.73 – $36.09)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221
DME-Other DME · category DE017N
1 supplier13 claims52 services$17.20 avg. paid by Medicare
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier13 claims416 services$35.64 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
1 supplier13 claims84 services$2.37 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

BRIAN F GIRARD CRNA
Nurse Anesthetist, Certified Registered
593 EDDY STREET, DAVOL 129
PROVIDENCE, RI 02903
Providence County (401) 444-4933
PETER W WOLFERSEDER CRNA
Nurse Anesthetist, Certified Registered
593 EDDY STREET, DAVOL 129
PROVIDENCE, RI 02903
Providence County (401) 444-4933
MARIE A MILLS CRNA
Nurse Anesthetist, Certified Registered
593 EDDY STREET, DAVOL 129
PROVIDENCE, RI 02903
Providence County (401) 444-4933
BETH VANPRAAG CRNA
Nurse Anesthetist, Certified Registered
593 EDDY STREET, DAVOL 129
PROVIDENCE, RI 02903
Providence County (401) 444-4933
JONATHAN D URI MD
Anesthesiology
593 EDDY STREET, DAVOL 129
PROVIDENCE, RI 02903
Providence County (401) 444-4933
CHRISTINE MARIE RAMALHO DMD
Dentist (General Practice)
593 EDDY STREET, JOSEPH SAMUELS DENTAL CENTER AT RIH
PROVIDENCE, RI 02903
Providence County (401) 444-7195
ANGELA THOMAS CRNA
Nurse Anesthetist, Certified Registered
593 EDDY STREET, DAVOL 129
PROVIDENCE, RI 02903
Providence County (401) 444-4933
NICOLE BRETING APRN
Nurse Practitioner
593 EDDY STREET, APC 4
PROVIDENCE, RI 02903
Providence County (401) 553-8355

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 Sabrina Witherby's NPI number?

The NPI number for Sabrina Witherby is 1881811008. It was assigned to this individual provider in the NPPES registry on April 19, 2007.

Where is Sabrina Witherby located?

Sabrina Witherby practices at 593 Eddy Street Apc Main, Providence, RI 02903. The listed phone number is (401) 444-5435.

What is Sabrina Witherby's specialty?

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

Is Sabrina Witherby enrolled in Medicare?

Yes. Sabrina Witherby is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Sabrina Witherby affiliated with any hospitals?

According to CMS data, Sabrina Witherby is affiliated with Rhode Island Hospital and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Sabrina Witherby was last updated on June 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.