MASS MEDICAL IMAGING
NPI 1477611028
Obstetrics & Gynecology in Lake Forest, IL

Q: What is Womens Specialty Care Sc's NPI number?

The NPI number for Womens Specialty Care Sc is 1477611028. It was assigned to this organization in the NPPES registry on December 5, 2006. The provider is also known as Mass Medical Imaging and Dr Karen J Mass MD.

Q: What is Womens Specialty Care Sc's specialty?

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

Active since December 05, 2006

840 S WAUKEGAN RD STE 208, LAKE FOREST, IL 60045(847) 295-0433(847) 234-0034 Get Directions Write a Review

NPPES record last updated: March 7, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 7, 2024, Nov 2, 2021 (2 updates tracked since 2021).

On this page

About Mass Medical Imaging NPPES

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

MASS MEDICAL IMAGING (NPI 1477611028) is a healthcare organization registered as an obstetrics & gynecology in Lake Forest, Illinois and active in the NPI registry since December 2006. The organization lists Karen J Mass, President, as its authorized official.

NPPES Registry Identity

NPI1477611028

Entity TypeOrganization

Primary Taxonomy207V00000X

Legal Business NameWOMENS SPECIALTY CARE SC

Location Address840 S WAUKEGAN RD STE 208Lake Forest, IL 60045-2619

Mailing Address475 Mccormick DrLake Forest, IL 60045-3349 · (847) 295-0433 · Fax (847) 295-0439

Phone(847) 295-0433

Fax(847) 234-0034

Organization SubpartNo

Authorized OfficialKaren J MassPresident · (847) 295-0433

Enumeration DateDecember 5, 2006

Last NPPES UpdateMarch 7, 20242 updates tracked since enumeration

NPPES CertifiedMarch 7, 2024

✔ NPI 1477611028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in IL · 036093085

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 ListedClinic/Center · RadiologyTaxonomy 261QR0200X

Also ListedClinic/Center · Radiology, MammographyTaxonomy 261QR0206X

840 S WAUKEGAN RD STE 208, Lake Forest, IL 60045

Open in Google Maps ↗

Other Names 2

Other NameMass Medical Imaging

Other NameDr Karen J Mass Md

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mass Medical Imaging is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Mass Medical Imaging, which bills Medicare for the services this clinician delivers.

Clinician (1)

Karen Mass, MD

Obstetrics/Gynecology

NPI 1710179759

840 S WAUKEGAN RD STE 208
Lake Forest, IL 60045

(847) 295-0433

✔ PECOS✔ Accepts MedicareSame address

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

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 Womens Specialty Care Sc's NPI number?

The NPI number for Womens Specialty Care Sc is 1477611028. It was assigned to this organization in the NPPES registry on December 5, 2006. The provider is also known as Mass Medical Imaging and Dr Karen J Mass MD.

Where is Womens Specialty Care Sc located?

Womens Specialty Care Sc is located at 840 S Waukegan Rd Ste 208, Lake Forest, IL 60045. The listed phone number is (847) 295-0433.

What is Womens Specialty Care Sc's specialty?

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

Is Womens Specialty Care Sc enrolled in Medicare?

Yes. Womens Specialty Care Sc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Womens Specialty Care Sc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Womens Specialty Care Sc. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Womens Specialty Care Sc was last updated on March 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.