ONCOLOGY HEMATOLOGY ASSOCIATES OF SAGINAW VALLEY PC
NPI 1366472169
Internal Medicine - Hematology & Oncology in Saginaw, MI

Q: What is Oncology Hematology Associates Of Saginaw Valley PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since July 04, 2006CLIA Certified · 2 labs

5400 MACKINAW RD., SUITE 4200, SAGINAW, MI 48604(989) 791-2330(989) 791-2329 Get Directions Write a Review

NPPES record last updated: March 26, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 26, 2021, Mar 31, 2020 (2 updates tracked since 2020).

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About Oncology Hematology Associates Of Saginaw Valley Pc NPPES

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

ONCOLOGY HEMATOLOGY ASSOCIATES OF SAGINAW VALLEY PC (NPI 1366472169) is a healthcare organization registered as a hematology & oncology in Saginaw, Michigan and active in the NPI registry since July 2006. The organization holds 2 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists John K Bartnik, Owner/president, as its authorized official.

NPPES Registry Identity

NPI1366472169

Entity TypeOrganization

Primary Taxonomy207RH0003X

Legal Business NameONCOLOGY HEMATOLOGY ASSOCIATES OF SAGINAW VALLEY PC

Location Address5400 MACKINAW RD., SUITE 4200Saginaw, MI 48604-9533

Mailing Address5400 Mackinaw Rd., Suite 4200Saginaw, MI 48604-9533 · (989) 791-2330 · Fax (989) 791-2329

Phone(989) 791-2330

Fax(989) 791-2329

Organization SubpartNo

Authorized OfficialJohn K BartnikOwner/president · (989) 791-2330

Enumeration DateJuly 4, 2006

Last NPPES UpdateMarch 26, 20212 updates tracked since enumeration

NPPES CertifiedMarch 26, 2021

✔ NPI 1366472169 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

5400 MACKINAW RD., Saginaw, MI 48604

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Secondary Practice Locations 2

Location 12431 S M 30West Branch, MI 48661-9351 · Phone (989) 343-2487 · Fax (989) 343-2489

Location 22050 E Caro RdCaro, MI 48723-9320 · Phone (989) 672-5001 · Fax (989) 672-5003

Other Identifiers 2

OtherDE9161MI · Railroad Medicare

Other0G31085MI · Blue Cross/blue Shield

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Accreditation 23D0976207

Oncology Hematology Associates Of Saginaw Valley PC · Saginaw, MI

Active · expires Sep 18, 2027

CLIA Number23D0976207

Laboratory TypePhysician Office

Certificate Effective DateSeptember 19, 2025

Certificate Expiration DateSeptember 18, 2027

Laboratory DirectorJohn Bartnik

Laboratory Phone(989) 791-2330

Laboratory LocationOncology Hematology Associates Of Saginaw Valley PC5400 Mackinaw Road Suite 4200, Saginaw, MI 48604

CLIA data matches this NPI record on: Address Name Phone

This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Certificate of Accreditation 23D1063986

Oncology Hematology Associates · Caro, MI

Active · expires Jun 23, 2028

CLIA Number23D1063986

Laboratory TypePhysician Office

Certificate Effective DateJune 24, 2026

Certificate Expiration DateJune 23, 2028

Laboratory DirectorJohn K. Bartnik

Laboratory Phone(989) 463-5400

Laboratory LocationOncology Hematology Associates2050 E Caro Road, Caro, MI 48723

CLIA data matches this NPI record on: Address Name

This is a certificate that is issued to a laboratory on the basis of the laboratory's accreditation by an accreditation organization approved by CMS.

Other Providers at the Same Location NPPES

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

JOHN K BARTNIK M.D.

Internal Medicine (Hematology & Oncology)

5400 MACKINAW RD., SUITE 4200
SAGINAW, MI 48604

Saginaw County (989) 791-2330

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 Oncology Hematology Associates Of Saginaw Valley PC's NPI number?

The NPI number for Oncology Hematology Associates Of Saginaw Valley PC is 1366472169. It was assigned to this organization in the NPPES registry on July 4, 2006.

Where is Oncology Hematology Associates Of Saginaw Valley PC located?

Oncology Hematology Associates Of Saginaw Valley PC is located at 5400 Mackinaw Rd. Suite 4200, Saginaw, MI 48604. The listed phone number is (989) 791-2330.

What is Oncology Hematology Associates Of Saginaw Valley PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Does Oncology Hematology Associates Of Saginaw Valley PC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Oncology Hematology Associates Of Saginaw Valley PC accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Oncology Hematology Associates Of Saginaw Valley PC 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 Oncology Hematology Associates Of Saginaw Valley PC was last updated on March 26, 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.