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Edit this profileWhere to find John K. Bartnik, M.D.
- Saginaw location main office
5400 Mackinaw Rd., Suite 4200, Saginaw, MI 48604 - West Branch location
2431 S M 30, West Branch, MI 48661 - Caro location
2050 E Caro Rd, Caro, MI 48723
About Dr. Bartnik
John K. Bartnik, M.D. is a healthcare provider in Saginaw, MI specializing in hematology/oncology. John is also listed as specializing in hematology & oncology. Medicare claims data shows John provided 21,231 services to 1,145 patients. The services billed most often include injection, ferric carboxymaltose, 1 mg, injection, pembrolizumab, 1 mg, and injection, dexamethasone sodium phosphate, 1 mg. This provider record is associated with NPI 1740211275.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (989) 791-2330
- Email not available
Practice Locations
5400 MACKINAW RD. SUITE 4200
Saginaw, MI 48604
2431 S M 30
West Branch, MI 48661
2050 E Caro Rd
Caro, MI 48723
Conditions Commonly Evaluated or Treated
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Advanced Cancers
- Cancer That Has Spread
Blood & Lymph Disorders
Blood Cancers
- Multiple Myeloma
- Myelodysplastic Syndrome
Blood Disorders
- Bleeding Disorders
- Blood Clot in Lung
- Blood Clotting Gene Mutation
- Deep vein thrombosis
- Hemochromatosis
- High Platelet Count
- High White Blood Cell Count
- Low Platelets
- Low White Blood Cell Count
- Thick Blood
- Unexplained Bruising
Blood disorders
- Bone Marrow Scarring
- Hemolytic Anemia in Children
- Pre-Myeloma Protein In Blood
- Vitamin B12 deficiency anemia
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
- Anal cancer
- Appendix cancer
- Bile duct cancer
- Gallbladder cancer
General oncology
- Cancer of unknown primary
Genetic Blood Disorders
- Sickle cell disease
- Thalassemia
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
- Oral cancer
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
- High calcium from cancer
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Most searched procedures
- Blood transfusion
- Chemotherapy
- Immunotherapy
- Targeted therapy
Biopsies & Diagnostics
- Bone Marrow Biopsy
- Lumbar puncture
- Lymph Node Biopsy
Blood disorder care
- Blood Exchange Transfusion
- Photopheresis
Cancer Therapies
- Hormone Therapy For Cancer
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
- CAR-T Therapy
- Stem Cell Transplant
Consultations
- Cancer Survivorship Care Plan
- Clinical Trial Screening
- Second Opinion For Cancer
Diagnostic testing
- Circulating tumor cell test
Hematology Treatments
- Blood Clot Management
- Plasmapheresis
- PRP Injection
- Therapeutic Blood Draw
Imaging
Infusions
- Clotting Factor Replacement
- Iron Infusion
- IV fluids
- IVIG Infusion
Interventional oncology
- Radiofrequency ablation
- TACE Chemoembolization
Supportive Cancer Care
- Bone Strengthening Injections For Cancer
- Pain Management For Cancer
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Supportive cancer care
- Cancer nutrition counseling
- Chemo brain treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hyperbaric oxygen for radiation damage
- Lymphedema Drainage Therapy
- Palliative cancer care
Surgical & Vascular Access
- Chemo port placement
- Chemo port removal
- Draining lung fluid
- Paracentesis
- PICC line placement coordination
Testing & Genetics
- Cancer Genetic Testing
- Cancer Tumor Profiling
- Liquid Biopsy
Vascular access care
- Chemo port check
- Chemo Port Flush And Maintenance
- PICC line dressing change
Procedures Most Often Billed to Medicare
21,231 services · 1,145 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
213 | Less often than most peers in Hematology/Oncology |
| Collection of blood sample from implanted device | Procedure | 36591 |
72 | As often as other peers in Hematology/Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
234 | More often than most peers in Hematology/Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
173 | As often as other peers in Hematology/Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
105 | As often as other peers in Hematology/Oncology |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
64 | As often as other peers in Hematology/Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
41 | Less often than most peers in Hematology/Oncology |
| Infusion into a vein for hydration, each additional hour | Treatment | 96361 |
28 | Less often than most peers in Hematology/Oncology |
| Irrigation of implanted venous access drug delivery device | Treatment | 96523 |
22 | Less often than most peers in Hematology/Oncology |
| Injection of drug or substance into vein | Treatment | 96374 |
19 | Less often than most peers in Hematology/Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other hematology/oncology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 25 related providers in 4 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1983 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in MI who bill this service to Medicare most often.
Common questions
What is John K. Bartnik's specialty?
John K. Bartnik is a hematology/oncology in Saginaw, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find John K. Bartnik?
John K. Bartnik is listed at 5400 Mackinaw Rd. Suite 4200, Saginaw, MI 48604. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John K. Bartnik?
The number on file is (989) 791-2330. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for John K. Bartnik?
John K. Bartnik's National Provider Identifier is 1740211275. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is John K. Bartnik's education?
John K. Bartnik attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How much experience does John K. Bartnik have?
John K. Bartnik has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is John K. Bartnik known for?
According to Medicare billing data, John K. Bartnik performs procedures including insertion of needle into vein for collection of blood sample and collection of blood sample from implanted device; provides treatments such as infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less and administration of chemotherapy into vein, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is John K. Bartnik's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by John K. Bartnik. If this is you, claiming it is free.
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