1. Home
  2. Directory
  3. Illinois
  4. Waukegan
  5. Preferred Provider Organization
  6. NPI Profile

MARTHA E. DIAZ D.D.S., P.C.
NPI 1043481765
Preferred Provider Organization in Waukegan, IL

Active since March 20, 2008
2634 GRAND AVE, SUITE 207, WAUKEGAN, IL 60085(847) 599-3855(847) 599-3859 Get Directions Write a Review

NPPES record last updated: March 20, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Martha E. Diaz D.d.s., P.c. NPPES

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

MARTHA E. DIAZ D.D.S., P.C. (NPI 1043481765) is a healthcare organization registered as a preferred provider organization in Waukegan, Illinois and active in the NPI registry since March 2008. The organization lists Eugenio Sierra, Administrator, as its authorized official.

NPPES Registry Identity

NPI1043481765
Entity TypeOrganization
Primary Taxonomy305R00000X
Legal Business NameMARTHA E. DIAZ D.D.S., P.C.
Location Address2634 GRAND AVE, SUITE 207Waukegan, IL 60085-2458
Mailing Address2634 Grand Ave, Suite 207Waukegan, IL 60085-2458 · (847) 599-3855 · Fax (847) 599-3859
Phone(847) 599-3855
Fax(847) 599-3859
Organization SubpartNo
Authorized OfficialEugenio SierraAdministrator · (847) 599-3855
Enumeration DateMarch 20, 2008
✔ NPI 1043481765 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreferred Provider OrganizationManaged Care Organizations
Taxonomy Code305R00000X
Definition
A group of physicians and/or hospitals who contract with an employer to provide services to their employees. In a PPO, the patient may got to the physician of his/her choice, even if that physician does not participate in the PPO, but the patient receives care at a lower benefit level.
2634 GRAND AVE, Waukegan, IL 60085
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas.Insurance ›

Other Providers at the Same Location NPPES 7

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

ALYSON GENELL MARSALIS LCPC
Counselor (Mental Health)
2634 GRAND AVE, SUITE 107
WAUKEGAN, IL 60085
Lake County (847) 249-3510
SPINE & NERVE TESTING CENTER
Specialist/Technologist, Other (Electroneurodiagnostic)
2634 GRAND AVE, SUITE #101
WAUKEGAN, IL 60085
Lake County (847) 775-7979
MR. JOSEPH E FRYDMAN M.D.
Ophthalmology
2634 GRAND AVE, STE 201
WAUKEGAN, IL 60085
Lake County (847) 336-7797
NORTHWEST SLEEP PROVIDER INC.
Durable Medical Equipment & Medical Supplies
2634 GRAND AVE, SUITE 107
WAUKEGAN, IL 60085
Lake County (847) 508-4135
CENTER FOR NEURO-DIAGNOSTIC TESTING, INC.
Specialist/Technologist, Other (Electroneurodiagnostic)
2634 GRAND AVE, SUITE #101
WAUKEGAN, IL 60085
Lake County (847) 775-7979
MR. LEE R BOMGAARS DDS
Dentist (Pediatric Dentistry)
2634 GRAND AVE, #106
WAUKEGAN, IL 60085
Lake County (847) 662-7588
DR. DAVID LEE GASTON D.D.S.
Dentist (Periodontics)
2634 GRAND AVE, SUITE 204
WAUKEGAN, IL 60085
Lake County (847) 249-0046

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 Martha E. Diaz D.D.S., P.C.'s NPI number?

The NPI number for Martha E. Diaz D.D.S., P.C. is 1043481765. It was assigned to this organization in the NPPES registry on March 20, 2008.

Where is Martha E. Diaz D.D.S., P.C. located?

Martha E. Diaz D.D.S., P.C. is located at 2634 Grand Ave Suite 207, Waukegan, IL 60085. The listed phone number is (847) 599-3855.

What is Martha E. Diaz D.D.S., P.C.'s specialty?

The primary specialty registered for this NPI is Preferred Provider Organization with taxonomy code 305R00000X.

What insurance does Martha E. Diaz D.D.S., P.C. accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Martha E. Diaz D.D.S., P.C. 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.

When was this NPI record last updated?

The NPPES record for Martha E. Diaz D.D.S., P.C. was last updated on March 20, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.