VANESSA NIENHOUSE M.D.
NPI 1225561335
Obstetrics & Gynecology in Rockford, IL

Q: What is Vanessa Nienhouse's NPI number?

The NPI number for Vanessa Nienhouse is 1225561335. It was assigned to this individual provider in the NPPES registry on April 5, 2017.

Q: What is Vanessa Nienhouse's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Vanessa Nienhouse was last updated on July 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since April 05, 2017PECOS EnrolledAccepts Medicare Assignment

1200 W STATE ST, ROCKFORD, IL 61102(815) 490-1600(815) 490-1881 Get Directions Write a Review

NPPES record last updated: July 13, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

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About Vanessa Nienhouse M.d. NPPES

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

VANESSA NIENHOUSE M.D. (NPI 1225561335) is an individual obstetrics & gynecology provider in Rockford, Illinois, licensed in Illinois (036.157606) and active in the NPI registry since April 2017. She is enrolled in Medicare PECOS, is affiliated with Fhn Memorial Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (2017).

NPPES Registry Identity

NPI1225561335

Entity TypeIndividualFemale

Primary Taxonomy207V00000X

Provider Legal NameVANESSA NIENHOUSECredential: M.D.

Location Address1200 W STATE STRockford, IL 61102-2112

Mailing Address1200 W State StRockford, IL 61102-2112 · (815) 490-1600 · Fax (815) 490-1881

Phone(815) 490-1600

Fax(815) 490-1881

Sole ProprietorYes

Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 2017

Enumeration DateApril 5, 2017

Last NPPES UpdateJuly 13, 2021

NPPES CertifiedJune 29, 2021

✔ NPI 1225561335 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians

Taxonomy Code207V00000X

License✔ Licensed in IL · 036.157606

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.

1200 W STATE ST, Rockford, IL 61102

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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include MercyCare, MercyCare Health Plans, Quartz.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

Vanessa Nienhouse M.d. 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 ID9436428802

PECOS Enrollment IDI20211011002145

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

Medicare enrollment records show Vanessa Nienhouse reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Freeport Regional Health Care Foundation

26 mi

Family Medicine

1036 W STEPHENSON ST
Freeport, IL 61032

Reassigned Medicare billing, Illinois enrollment
391 clinicians in this Medicare group

NPI 1457337016 (815) 599-6000

Freeport Memorial Hospital

26 mi

General Acute Care Hospital

1045 W STEPHENSON ST
Freeport, IL 61032

Reassigned Medicare billing, Illinois enrollment
478 clinicians in this Medicare group

NPI 1447228788 (815) 599-6000

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.

Fhn Memorial Hospital

Acute Care Hospitals · Freeport, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number140160

Location1045 West Stephenson StreetFreeport, IL 61032 · Stephenson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 61102 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

$127.46 typical visit price

range $54.80 – $168.44

Typical copayment $31.86 (range $13.70 – $42.11)

Most-billed visit code 99204

Established Patient

$68.64 typical visit price

range $17.16 – $136.56

Typical copayment $17.16 (range $4.29 – $34.14)

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.

CARYN ANN RUZIC APRN

Nurse Practitioner (Family)