Physician Profile
Sonya J. Inderbitzin-Fischer, MD
Unclaimed ProfileAbout Dr. Inderbitzin-Fischer
Sonya J. Inderbitzin-Fischer, MD is a healthcare provider in Grand Rapids, MI specializing in hematology. Sonya trained at West Virginia University School of Medicine, graduating in 2018. According to Medicare claims data, Sonya cared for 198 Medicare patients across 407 services. The services billed most often include insertion of needle into vein for collection of blood sample, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, and blood test, comprehensive group of blood chemicals. This provider record is associated with NPI 1184128670.
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
- (163) 891-8006
- Email not available
Practice Locations
5800 FOREMOST DR SE STE 200
Grand Rapids, MI 49546
Conditions Commonly Evaluated or Treated
Within Hematology 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
Anemia
Bleeding disorders
- Bleeding Disorders
- Frequent Unexplained Nosebleeds
- Heavy Period Bleeding From Bleeding Disorder
- Unexplained Bruising
Blood and immune disorders
Blood cancer
Blood clots
Bone marrow disorders
Clotting disorders
Inherited blood disorders
Iron disorders
Lymph conditions
Lymph disorders
Metabolic blood disorders
Nutritional blood disorders
Organ conditions
Platelet disorders
Protein disorders
Red blood cell disorders
- Cold-Triggered Blood Breakdown
- Hemolytic Anemia in Children
- Nighttime Red Blood Cell Breakdown
- Sickle cell disease
- Thalassemia
- Thick Blood
White blood cell disorders
Procedures & services
Most searched procedures
Biopsy
Blood treatments
- Blood Exchange Transfusion
- Plasmapheresis
- Platelet Removal Procedure
- Therapeutic Blood Draw
- White Blood Cell Removal Procedure
Catheter care
Cell therapy
Cellular therapy
Consultation
Consultations
Diagnostic tests
- Clotting Inhibitor Mixing Study
- Complete Blood Count
- Factor Level Blood Test
- Folic Acid Blood Test
- G6PD Enzyme Test
- Iron Level Blood Test
Infusions
Injections
Lab tests
- Blood Cancer Cell Marker Test
- Blood Clotting Tests
- Blood Smear Examination
- Coomb's Test
- Genetic Blood Clotting Test
- Hemoglobin Electrophoresis
- Myeloma Blood Protein Test
Medication management
Monitoring
Patient education
Procedures
Transfusion therapy
Transplants
Treatments
Procedures Most Often Billed to Medicare
407 services · 198 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
82 | As often as other peers in Hematology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
40 | Less often than most peers in Hematology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
28 | As often as other peers in Hematology |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
80 | Less often than most peers in Hematology |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
57 | Less often than most peers in Hematology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
33 | Less often than most peers in Hematology |
| Lactate dehydrogenase (enzyme) level | Lab test | 83615 |
24 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | Less often than most peers in Hematology |
| Transferrin (iron binding protein) level | Lab test | 84466 |
15 | Too few peers to compare |
| Iron level | Lab test | 83540 |
15 | Too few peers to compare |
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 specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
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 — 17 related providers in 3 groups
Other hematology specialists in Grand Rapids 7
Same specialty, same city.
Trained at West Virginia University School of Medicine 2
Other providers in the same specialty who trained at the same institution.
Class of 2018 at West Virginia University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Inderbitzin-Fischer?
Dr. Inderbitzin-Fischer is a hematology in Grand Rapids, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Inderbitzin-Fischer's address?
Dr. Inderbitzin-Fischer is listed at 5800 Foremost Dr Se Ste 200, Grand Rapids, MI 49546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Inderbitzin-Fischer?
The number on file is (163) 891-8006. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Inderbitzin-Fischer's NPI number?
Dr. Inderbitzin-Fischer's National Provider Identifier is 1184128670. 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
Where did Dr. Inderbitzin-Fischer train?
Dr. Inderbitzin-Fischer attended West Virginia University School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Inderbitzin-Fischer been practicing?
Dr. Inderbitzin-Fischer has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Inderbitzin-Fischer perform?
According to Medicare billing data, Dr. Inderbitzin-Fischer performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of additional new drug or substance into vein 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
Has Dr. Inderbitzin-Fischer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Inderbitzin-Fischer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.