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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. KATHLEEN ELIZABETH SINGER M.D.
NPI 1932633294
Surgery in Providence, RI

Active since April 13, 2017PECOS EnrolledAccepts Medicare Assignment
2 DUDLEY ST STE 470, PROVIDENCE, RI 02905(401) 272-1800(401) 751-5124 Get Directions Write a Review

NPPES record last updated: October 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 8, 2026, Dec 5, 2025, Apr 13, 2017 (3 updates tracked since 2017).

About Dr. Kathleen Elizabeth Singer M.d. NPPES

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

DR. KATHLEEN ELIZABETH SINGER M.D. (NPI 1932633294) is an individual surgery provider in Providence, Rhode Island, licensed in Rhode Island (MD21525) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1932633294
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. KATHLEEN ELIZABETH SINGERCredential: M.D.
Location Address2 DUDLEY ST STE 470Providence, RI 02905-3248
Mailing Address15 Lasalle SquareProvidence, RI 02903 · (401) 444-6779 · Fax (401) 444-6912
Phone(401) 272-1800
Fax(401) 751-5124
Sole ProprietorYes
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2017
Enumeration DateApril 13, 2017
Last NPPES UpdateOctober 8, 20263 updates tracked since enumeration
NPPES CertifiedOctober 5, 2026
✔ NPI 1932633294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Licenses✔ Licensed in RI · MD21525✔ Licensed in MA · 1023708
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
2 DUDLEY ST STE 470, Providence, RI 02905
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1231 Albert Sabin Way, Room 1586, ML 0558Cincinnati, OH 45267-0558 · Phone (973) 476-0514
Location 2165 Cambridge StBoston, MA 02114-2783 · Phone (617) 643-2439

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kathleen Elizabeth Singer 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 ID4688943798
PECOS Enrollment IDI20250930003124
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

2

Medicare enrollment records show Kathleen Singer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The General Hospital Corporation
43 mi
General Acute Care Hospital
55 FRUIT ST, BULFINCH 360
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,234 clinicians in this Medicare group
NPI 1023049236 (617) 726-2000
Massachusetts General Physicians Organization Inc
43 mi
Dermatology
55 FRUIT ST, BUL 2
Boston, MA 02114
  • Reassigned Medicare billing, Massachusetts enrollment
  • 6,360 clinicians in this Medicare group
NPI 1801874573 (617) 724-0287

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

Hospital Affiliations CMS Care Compare

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02905 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
$90.48 typical visit price
range $58.57 – $177.03
Typical copayment $22.62 (range $14.64 – $44.25)
Most-billed visit code 99203
Established Patient
$72.93 typical visit price
range $18.92 – $144.38
Typical copayment $18.23 (range $4.73 – $36.09)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

DR. STEPHANIE N LUECKEL M.D.
Surgery (Surgical Critical Care)
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 228-0630
LIFESPAN PHYSICIAN GROUP, INC.
Surgery
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 272-1800
DR. KATHERINE MACCALLUM MD
Surgery (Vascular Surgery)
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 553-8325
AMANDA MCHUGH PA
Physician Assistant
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 228-0638
ABBAS EL SAYED ABBAS MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 553-8320
UNIVERSITY SURGICAL ASSOCIATES, INC.
Surgery
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 272-1800
DR. TIMOTHY DAILY MURTHA M.D.
Surgery (Surgical Oncology)
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 421-0245
SAMANTHA LUELLA RONAYNE PA-C
Physician Assistant
2 DUDLEY ST STE 470
PROVIDENCE, RI 02905
Providence County (401) 272-1800

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 Kathleen Singer's NPI number?

The NPI number for Kathleen Singer is 1932633294. It was assigned to this individual provider in the NPPES registry on April 13, 2017.

Where is Kathleen Singer located?

Kathleen Singer practices at 2 Dudley St Ste 470, Providence, RI 02905. The listed phone number is (401) 272-1800.

What is Kathleen Singer's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Kathleen Singer enrolled in Medicare?

Yes. Kathleen Singer 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.

Which organizations bill Medicare for Kathleen Singer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathleen Singer reassigns Medicare benefits to 2 organizations: The General Hospital Corporation (Boston, MA) and Massachusetts General Physicians Organization Inc (Boston, MA). 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 Kathleen Singer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Kathleen Singer affiliated with any hospitals?

According to CMS data, Kathleen Singer is affiliated with Massachusetts General Hospital.

When was this NPI record last updated?

The NPPES record for Kathleen Singer was last updated on October 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 days 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.