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MICHELLE CORDELLA WILLIAMS
NPI 1942701958
Nurse Practitioner - Family in Boston, MA

Active since February 24, 2018PECOS Enrolled
830 HARRISON AVENUE, STE 3400, MOAKLEY BLDG., BOSTON, MA 02118(617) 414-8060(617) 414-8012 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 23, 2026, Feb 24, 2018 (2 updates tracked since 2018).

About Michelle Cordella Williams NPPES

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

MICHELLE CORDELLA WILLIAMS (NPI 1942701958) is an individual family provider in Boston, Massachusetts, licensed in Massachusetts (230038) and active in the NPI registry since February 2018. She is enrolled in Medicare PECOS, is affiliated with Boston Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1942701958
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMICHELLE CORDELLA WILLIAMS
Location Address830 HARRISON AVENUE, STE 3400, MOAKLEY BLDG.Boston, MA 02118-2905
Mailing Address960 Massachusetts Avenue, Fl 2Boston, MA 02118-2690
Phone(617) 414-8060
Fax(617) 414-8012
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateFebruary 24, 2018
Last NPPES UpdateMarch 23, 20262 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
✔ NPI 1942701958 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · 230038
830 HARRISON AVENUE, STE 3400, Boston, MA 02118
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1732 Harrison Avenue, 3rd Floor West, Preston Bldg.Boston, MA 02118-2309 · Phone (617) 638-8488 · Fax (617) 638-8469
Location 2110 Turnpike Rd Ste 308Westborough, MA 01581-2863 · Phone (508) 329-8366

Other Identifiers 1

Medicaid110164686AMA

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Cordella Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8628558442
PECOS Enrollment IDI20260219000539
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 Michelle Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Boston University General Surgical Associates, Inc.
0.1 mi
Surgery
1 BOSTON MEDICAL CTR PL # C500
Boston, MA 02118
  • Reassigned Medicare billing, Massachusetts enrollment
  • 102 clinicians in this Medicare group
NPI 1104865567 (617) 638-8605
Mass General Brigham Medical Group Suburban Massachusetts Inc
8.9 mi
Family Medicine
2014 WASHINGTON STREET
Newton, MA 02462
  • Reassigned Medicare billing, Massachusetts enrollment
  • 992 clinicians in this Medicare group
NPI 1538191218 (617) 243-6262

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.

Boston Medical Center

Acute Care Hospitals · Boston, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220031
Location1 Boston Medical Center PlaceBoston, MA 02118 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DAVID MCANENY M.D.
Surgery (Surgical Oncology)
830 HARRISON AVENUE, STE 3400, MOAKLEY BLDG.
BOSTON, MA 02118
Suffolk County (617) 414-4861
DR. AKINOBU ITOH MD
Thoracic Surgery (Cardiothoracic Vascular Surgery)
830 HARRISON AVENUE, STE 3400, MOAKLEY BLDG.
BOSTON, MA 02118
Suffolk County (617) 414-8060
KOLE MAXWELL NORRIS PA-C
Physician Assistant
830 HARRISON AVENUE, STE 3400, MOAKLEY BLDG.
BOSTON, MA 02118
Suffolk County (617) 414-8060

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 Michelle Williams's NPI number?

The NPI number for Michelle Williams is 1942701958. It was assigned to this individual provider in the NPPES registry on February 24, 2018.

Where is Michelle Williams located?

Michelle Williams practices at 830 Harrison Avenue, Ste 3400 Moakley Bldg., Boston, MA 02118. The listed phone number is (617) 414-8060.

What is Michelle Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Michelle Williams enrolled in Medicare?

Yes. Michelle Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Williams reassigns Medicare benefits to 2 organizations: Boston University General Surgical Associates, Inc. (Boston, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Michelle Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michelle Williams accept?

Health plans from Anthem Blue Cross and Blue Shield list Michelle Williams 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 Michelle Williams affiliated with any hospitals?

According to CMS data, Michelle Williams is affiliated with Boston Medical Center.

When was this NPI record last updated?

The NPPES record for Michelle Williams was last updated on March 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.