DR. REBECCA MERCIER MD
NPI 1225295645
Obstetrics & Gynecology in Providence, RI

Active since May 22, 2008PECOS EnrolledAccepts Medicare Assignment
148 W RIVER ST STE 8, PROVIDENCE, RI 02904(401) 606-3000 Get Directions Write a Review

NPPES record last updated: March 26, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Rebecca Mercier Md NPPES

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

DR. REBECCA MERCIER MD (NPI 1225295645) is an individual obstetrics & gynecology provider in Providence, Rhode Island, licensed in Rhode Island (MD20440) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS, is affiliated with Women & Infants Hospital Of Rhode Island, and maintains a secondary practice location in Philadelphia.

NPPES Registry Identity

NPI1225295645
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. REBECCA MERCIERCredential: MD
Location Address148 W RIVER ST STE 8Providence, RI 02904-2615
Mailing Address117 Ellenfield St Ste 101Providence, RI 02905-4541 · (401) 444-6779
Sole ProprietorNo
Medical School CMSOtherGraduated 2007
Enumeration DateMay 22, 2008
Last NPPES UpdateMarch 26, 2025
NPPES CertifiedMarch 26, 2025
✔ NPI 1225295645 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 RI · MD20440✔ Licensed in PA · MD449320✔ Licensed in NC · 2011-00386
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.
148 W RIVER ST STE 8, Providence, RI 02904

Secondary Practice Location 1

Location 1834 Chestnut St, Suite 420Philadelphia, PA 19107-5127 · Phone (215) 955-6776

Other Identifiers 2

Medicaid102846168PA
Medicaid0366366NJ

Accepted 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

Dr. Rebecca Mercier Md 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 ID345419610
PECOS Enrollment IDI20250411001939
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 Rebecca Mercier reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Urology
195 COLLYER ST STE 201
Providence, RI 02904
  • Reassigned Medicare billing, Rhode Island enrollment
  • 1,372 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.

Hospital Affiliations CMS Care Compare 2

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

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 02904 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.

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.

Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Obstetrics & Gynecology (Maternal & Fetal Medicine)
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Advanced Practice Midwife
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904
Obstetrics & Gynecology
148 W RIVER ST STE 8
PROVIDENCE, RI 02904

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 Rebecca Mercier's NPI number?

The NPI number for Rebecca Mercier is 1225295645. It was assigned to this individual provider in the NPPES registry on May 22, 2008.

Where is Rebecca Mercier located?

Rebecca Mercier practices at 148 W River St Ste 8, Providence, RI 02904. The listed phone number is (401) 606-3000.

What is Rebecca Mercier's specialty?

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

Is Rebecca Mercier enrolled in Medicare?

Yes. Rebecca Mercier 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 organization bills Medicare for Rebecca Mercier's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Mercier reassigns Medicare benefits to Lifespan Physician Group Inc (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 Rebecca Mercier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rebecca Mercier accept?

Health plans from Cigna Healthcare list Rebecca Mercier 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 Rebecca Mercier affiliated with any hospitals?

According to CMS data, Rebecca Mercier is affiliated with Women & Infants Hospital Of Rhode Island and The Miriam Hospital.

When was this NPI record last updated?

The NPPES record for Rebecca Mercier was last updated on March 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.