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JANET B LEFKOWITZ DO
NPI 1235149865
Obstetrics & Gynecology in Providence, RI

Active since August 08, 2006PECOS EnrolledAccepts Medicare Assignment
101 DUDLEY ST, PROVIDENCE, RI 02905(401) 274-1122 Get Directions Write a Review

NPPES record last updated: August 11, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 11, 2026, Mar 2, 2020 (2 updates tracked since 2020).

About Janet B Lefkowitz Do NPPES

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

JANET B LEFKOWITZ DO (NPI 1235149865) is an individual obstetrics & gynecology provider in Providence, Rhode Island, licensed in Connecticut (72040) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Women & Infants Hospital Of Rhode Island, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1235149865
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameJANET B LEFKOWITZCredential: DO
Location Address101 DUDLEY STProvidence, RI 02905-2401
Mailing Address34 Seneca RdWest Hartford, CT 06117-2245 · (401) 739-2000
Phone(401) 274-1122
Sole ProprietorNo
Medical School CMSUniversity Of New England, College Of Osteo MedicineGraduated 2001
Enumeration DateAugust 8, 2006
Last NPPES UpdateAugust 11, 20262 updates tracked since enumeration
NPPES CertifiedAugust 11, 2026
✔ NPI 1235149865 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CT · 72040✔ Licensed in RI · DO00607
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License DO00607 (RI)
101 DUDLEY ST, Providence, RI 02905
Open in Google Maps ↗

Secondary Practice Locations 3

Location 1345 Whitney AveNew Haven, CT 06511-2348 · Phone (513) 587-5095
Location 2175 Broad StProvidence, RI 02903-4026 · Phone (401) 421-9620
Location 334 Seneca RdWest Hartford, CT 06117-2245 · Phone (401) 739-2000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter Health, Ambetter of Alabama and more.Insurance ›

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

Janet B Lefkowitz Do 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 ID7911903968
PECOS Enrollment IDI20061013000363
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 Janet Lefkowitz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Affinity Physicians LLC
Same address
Anesthesiology
101 DUDLEY STREET, WIH DEPT OF ANESTHESIOLOGY
Providence, RI 02905
  • Reassigned Medicare billing, Rhode Island enrollment
  • 984 clinicians in this Medicare group
NPI 1053038471 (401) 274-1122
Planned Parenthood Of Southern New England, Inc.
85 mi
Ambulatory Family Planning Facility
345 WHITNEY AVE
New Haven, CT 06511
  • Reassigned Medicare billing, Connecticut and Rhode Island enrollments
  • 120 clinicians in this Medicare group
NPI 1174633143 (203) 503-0450

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.

Women & Infants Hospital Of Rhode Island

Acute Care Hospitals · Providence, RI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number410010
Location101 Dudley StreetProvidence, RI 02905 · Providence 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
$134.17 typical visit price
range $58.57 – $177.03
Typical copayment $33.54 (range $14.64 – $44.25)
Most-billed visit code 99204
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.

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.

Reported Quality Measures

Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
17%35 patients1/55-star benchmark: 100%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
79%29 patients4/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
58%38 patients3/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
76%59 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

CHRISTOPHER DONALD PALMER DO
Internal Medicine
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 274-1122
BRITTANY S HAMPTON MD
Obstetrics & Gynecology (Urogynecology and Reconstructive Pelvic Surgery)
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 274-1100
HEIDI FANION LCSW
Social Worker (Clinical)
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 274-1100
MS. LINDA BEETLESTONE MS
Genetic Counselor, MS
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 453-7515
JULIE ANNA KNUTSON RN, CNM
Advanced Practice Midwife
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 274-1122
BETHANY DAWSON LICSW
Social Worker (Clinical)
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 274-1100
HEATHER A SMITH MD, MPH
Obstetrics & Gynecology (Obstetrics)
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 274-1122
NADINE C KASSIS MD
Obstetrics & Gynecology
101 DUDLEY ST
PROVIDENCE, RI 02905
Providence County (401) 274-1100

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 Janet Lefkowitz's NPI number?

The NPI number for Janet Lefkowitz is 1235149865. It was assigned to this individual provider in the NPPES registry on August 8, 2006.

Where is Janet Lefkowitz located?

Janet Lefkowitz practices at 101 Dudley St, Providence, RI 02905. The listed phone number is (401) 274-1122.

What is Janet Lefkowitz's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Janet Lefkowitz enrolled in Medicare?

Yes. Janet Lefkowitz 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 Janet Lefkowitz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Janet Lefkowitz reassigns Medicare benefits to 2 organizations: Affinity Physicians LLC (Providence, RI) and Planned Parenthood Of Southern New England, Inc. (New Haven, CT). 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 Janet Lefkowitz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Janet Lefkowitz accept?

Health plans from Ambetter Health, Ambetter from Absolute Total Care, Ambetter of Alabama, Ambetter of North Carolina and Ambetter of Tennessee list Janet Lefkowitz 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.

Is Janet Lefkowitz affiliated with any hospitals?

According to CMS data, Janet Lefkowitz is affiliated with Women & Infants Hospital Of Rhode Island.

When was this NPI record last updated?

The NPPES record for Janet Lefkowitz was last updated on August 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.