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RAYA CRUZ BEIZ M.D.
NPI 1578726899
Internal Medicine in Saginaw, MI

Active since July 07, 2008PECOS Enrolled
1000 HOUGHTON AVE, SAGINAW, MI 48602(989) 583-6800(989) 583-6955 Get Directions Write a Review

NPPES record last updated: April 1, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 1, 2021, Mar 17, 2018, Nov 21, 2017 (3 updates tracked since 2017).

About Raya Cruz Beiz M.d. NPPES

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

RAYA CRUZ BEIZ M.D. (NPI 1578726899) is an individual internal medicine provider in Saginaw, Michigan, licensed in Michigan (4301101903) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Olivet.

NPPES Registry Identity

NPI1578726899
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameRAYA CRUZ BEIZCredential: M.D.
Location Address1000 HOUGHTON AVESaginaw, MI 48602-5303
Mailing Address1000 Houghton AveSaginaw, MI 48602-5303 · (989) 583-6800 · Fax (989) 583-6955
Phone(989) 583-6800
Fax(989) 583-6955
Sole ProprietorNo
Enumeration DateJuly 7, 2008
Last NPPES UpdateApril 1, 20213 updates tracked since enumeration
NPPES CertifiedApril 1, 2021
✔ NPI 1578726899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in MI · 4301101903
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 4301101903 (MI)
1000 HOUGHTON AVE, Saginaw, MI 48602
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Secondary Practice Location 1

Location 1202 N Main StOlivet, MI 49076-9465 · Phone (269) 749-2131 · Fax (269) 749-3067

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Raya Cruz Beiz M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

2

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

Saginaw Cooperative Hospitals, Inc
Same address
Colon & Rectal Surgery
1000 HOUGHTON AVE
Saginaw, MI 48602
  • Reassigned Medicare billing, Michigan enrollment
  • 194 clinicians in this Medicare group
NPI 1225460926 (989) 746-7500
Ella E M Brown Charitable Circle
95 mi
Diagnostic Radiology
200 N MADISON ST
Marshall, MI 49068
  • Reassigned Medicare billing, Michigan enrollment
  • 168 clinicians in this Medicare group
NPI 1043660467 (269) 781-4271

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 48602 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
$126.15 typical visit price
range $54.34 – $166.68
Typical copayment $31.53 (range $13.58 – $41.67)
Most-billed visit code 99204
Established Patient
$96.44 typical visit price
range $17.09 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
Most-billed visit code 99214
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.

JERRY XAVIER
Internal Medicine
1000 HOUGHTON AVE, 1100 INTERNAL MEDICINE
SAGINAW, MI 48602
Saginaw County (989) 583-5826
MRS. VERONIKA KINASCHUK M.D.
Obstetrics & Gynecology
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 746-7500
DR. MEAGAN CROFOOT MD
Emergency Medicine
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6800
KATIE ANN LONDOS
Nurse Practitioner (Pediatrics)
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 746-7500
PAVAN SHIVANI SINGH MD
Pediatrics
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (947) 362-4191
DR. OMAIMA ALI A AL SINAN M.D
Obstetrics & Gynecology
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6828
SHAFIA BEG M.D.
Internal Medicine
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 583-6800
SUMMER KIZY
Student in an Organized Health Care Education/Training Program
1000 HOUGHTON AVE
SAGINAW, MI 48602
Saginaw County (989) 583-7000

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 Raya Beiz's NPI number?

The NPI number for Raya Beiz is 1578726899. It was assigned to this individual provider in the NPPES registry on July 7, 2008.

Where is Raya Beiz located?

Raya Beiz practices at 1000 Houghton Ave, Saginaw, MI 48602. The listed phone number is (989) 583-6800.

What is Raya Beiz's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Raya Beiz enrolled in Medicare?

Yes. Raya Beiz is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Raya Beiz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Raya Beiz reassigns Medicare benefits to 2 organizations: Saginaw Cooperative Hospitals, Inc (Saginaw, MI) and Ella E M Brown Charitable Circle (Marshall, MI). 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 Raya Beiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Raya Beiz was last updated on April 1, 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.