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DR. RAFAEL FRANCISCO UNDA-RIVERA M.D.
NPI 1700037892
Obstetrics & Gynecology in Eau Claire, WI

Active since October 07, 2008PECOS EnrolledAccepts Medicare Assignment
2116 CRAIG RD, EAU CLAIRE, WI 54701(715) 858-4646(877) 514-0903 Get Directions Write a Review

NPPES record last updated: May 10, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 10, 2024, Oct 15, 2020, Aug 29, 2016 (3 updates tracked since 2016).

About Dr. Rafael Francisco Unda-rivera M.d. NPPES

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

DR. RAFAEL FRANCISCO UNDA-RIVERA M.D. (NPI 1700037892) is an individual obstetrics & gynecology provider in Eau Claire, Wisconsin, licensed in Wisconsin (67267-20) and active in the NPI registry since October 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2002).

NPPES Registry Identity

NPI1700037892
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. RAFAEL FRANCISCO UNDA-RIVERACredential: M.D.
Location Address2116 CRAIG RDEau Claire, WI 54701-6149
Mailing AddressE4985 Queens DrEleva, WI 54738-4143 · (609) 432-7508 · Fax (877) 514-0903
Phone(715) 858-4646
Fax(877) 514-0903
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateOctober 7, 2008
Last NPPES UpdateMay 10, 20243 updates tracked since enumeration
NPPES CertifiedMay 10, 2024
✔ NPI 1700037892 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in WI · 67267-20✔ Licensed in CA · 142852
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.
2116 CRAIG RD, Eau Claire, WI 54701
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Aspirus Health Plan.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

Dr. Rafael Francisco Unda-rivera 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 ID4385880608
PECOS Enrollment IDI20161109000692
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

13

Medicare enrollment records show Rafael Unda-rivera reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mchs Hospitals Inc
0.1 mi
Clinic/Center
2310 CRAIG RD
Eau Claire, WI 54701
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,476 clinicians in this Medicare group
NPI 1316416035 (715) 858-8100
Aspirus Medford Hospital & Clinics, Inc.
62 mi
Critical Access
135 S GIBSON ST
Medford, WI 54451
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Aspirus Medical Group, Inc.
  • 415 clinicians in this Medicare group
NPI 1619079597 (715) 748-8100
Marshfield Clinic Inc
66 mi
Clinic/Center
1000 N OAK AVE
Marshfield, WI 54449
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,540 clinicians in this Medicare group
NPI 1952347981 (715) 387-5511
Langlade Memorial Hospital Hotel Dieu Of St Joseph
92 mi
Clinic/Center
215 N 28TH AVE
Wausau, WI 54401
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Langlade Hospital - Hotel Dieu Of St Joseph Of Antigo Wisconsin
  • Also billed through NPI 1821151366 (Wisconsin)
  • 321 clinicians in this Medicare group
NPI 1871630863 (715) 847-2304
Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.
98 mi
Clinic/Center
824 ILLINOIS AVE
Stevens Point, WI 54481
  • Reassigned Medicare billing, Wisconsin enrollment
  • 935 clinicians in this Medicare group
NPI 1144991340 (715) 342-7725
Ridgeview Medical Center
100 mi
Urgent Care
7907 POWERS BLVD
Chanhassen, MN 55317
  • Reassigned Medicare billing, Minnesota enrollment
  • 581 clinicians in this Medicare group
NPI 1558142869 (952) 934-0570
Sibley Medical Center
127 mi
Critical Access
601 WEST CHANDLER STREET
Arlington, MN 55307
  • Reassigned Medicare billing, Minnesota enrollment
  • 229 clinicians in this Medicare group
NPI 1740240225 (507) 964-2271
Unity Family Healthcare
150 mi
Family Medicine
200 1ST AVE SE
Pierz, MN 56364
  • Reassigned Medicare billing, Minnesota enrollment
  • Also billed through NPI 1326234006 (Minnesota)
  • 205 clinicians in this Medicare group
NPI 1952530669 (320) 468-2536
Fort Healthcare, Inc.
186 mi
General Acute Care Hospital
611 SHERMAN AVE E
Fort Atkinson, WI 53538
  • Reassigned Medicare billing, Wisconsin enrollment
  • 298 clinicians in this Medicare group
NPI 1811916281 (920) 568-5000
Reedley Community Hospital
1,562 mi
General Acute Care Hospital
372 W. CYPRESS AVE
Reedley, CA 93654
  • Reassigned Medicare billing, California enrollment
  • 315 clinicians in this Medicare group
NPI 1336167550 (559) 638-8155

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54701 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
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.

ANNA MARIE BYRNE DPT
Physical Therapist
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
TRACIE ANNE BUTLER FNP
Nurse Practitioner (Family)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4560
SETH E BOLLINGER CRNA
Nurse Anesthetist, Certified Registered
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
MYLES DAVID KEROACK MD
Internal Medicine (Gastroenterology)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
BRYAN D. POOLER PA
Physician Assistant
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
SHANA L VIFIAN RAY M.D.
Psychiatry & Neurology (Sleep Medicine)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500
KAREN JOY JOHNSON CNM
Advanced Practice Midwife
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4646
RALPH W FITZ MD
Internal Medicine (Interventional Cardiology)
2116 CRAIG RD
EAU CLAIRE, WI 54701
Eau Claire County (715) 858-4500

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 Rafael Unda-rivera's NPI number?

The NPI number for Rafael Unda-rivera is 1700037892. It was assigned to this individual provider in the NPPES registry on October 7, 2008.

Where is Rafael Unda-rivera located?

Rafael Unda-rivera practices at 2116 Craig Rd, Eau Claire, WI 54701. The listed phone number is (715) 858-4646.

What is Rafael Unda-rivera's specialty?

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

Is Rafael Unda-rivera enrolled in Medicare?

Yes. Rafael Unda-rivera is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Rafael Unda-rivera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rafael Unda-rivera reassigns Medicare benefits to 13 organizations: Mchs Hospitals Inc (Eau Claire, WI), Aspirus Medford Hospital & Clinics, Inc. (Medford, WI), Marshfield Clinic Inc (Marshfield, WI), Langlade Memorial Hospital Hotel Dieu Of St Joseph (Wausau, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Stevens Point, WI) and 8 more organizations, listed in the Medicare section above. 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 Rafael Unda-rivera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Rafael Unda-rivera accept?

Health plans from Aspirus Health Plan list Rafael Unda-rivera 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 Rafael Unda-rivera was last updated on May 10, 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.