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ULTIMATE BILLING SERVICE, INC.
NPI 1437004090
Obstetrics & Gynecology in Park Ridge, IL

Active since February 27, 2026
500 N LINCOLN AVE, PARK RIDGE, IL 60068(847) 692-6218(847) 692-5609 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ultimate Billing Service, Inc. NPPES

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

ULTIMATE BILLING SERVICE, INC. (NPI 1437004090) is a healthcare organization registered as an obstetrics & gynecology in Park Ridge, Illinois and active in the NPI registry since February 2026. The organization lists Gabriela Ugalde-lizon, Ceo, as its authorized official.

NPPES Registry Identity

NPI1437004090
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameULTIMATE BILLING SERVICE, INC.
Location Address500 N LINCOLN AVEPark Ridge, IL 60068-3141
Mailing Address500 N Lincoln AvePark Ridge, IL 60068-3141 · (847) 692-6218 · Fax (847) 692-5609
Phone(847) 692-6218
Fax(847) 692-5609
Organization SubpartNo
Authorized OfficialGabriela Ugalde-lizonCeo · (847) 692-6218
Enumeration DateFebruary 27, 2026
NPPES CertifiedFebruary 27, 2026
✔ NPI 1437004090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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 ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
500 N LINCOLN AVE, Park Ridge, IL 60068
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

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 Ultimate Billing Service, Inc.'s NPI number?

The NPI number for Ultimate Billing Service, Inc. is 1437004090. It was assigned to this organization in the NPPES registry on February 27, 2026.

Where is Ultimate Billing Service, Inc. located?

Ultimate Billing Service, Inc. is located at 500 N Lincoln Ave, Park Ridge, IL 60068. The listed phone number is (847) 692-6218.

What is Ultimate Billing Service, Inc.'s specialty?

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

When was this NPI record last updated?

The NPPES record for Ultimate Billing Service, Inc. was last updated on February 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.