Physician Profile
Lynn Van Ummersen, MD
Unclaimed ProfileAbout Dr. Van Ummersen
Lynn Van Ummersen, MD is a healthcare provider in Orange City, FL specializing in hematology/oncology. Lynn trained at University of Massachusetts Medical School, graduating in 1991. Lynn is also listed as specializing in medical oncology. According to Medicare claims data, Lynn cared for 1,305 Medicare patients across 32,534 services. The services billed most often include injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use), injection, denosumab, 1 mg, and injection, epoetin alfa, (for non-esrd use), 1000 units. This provider record is associated with NPI 1447211818.
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
- (386) 774-7411
- Email not available
Practice Locations
2824 ENTERPRISE RD
Orange City, FL 32763
810 N Spring Garden Ave Ste 101
Deland, FL 32720
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
Blood & Lymph Disorders
Blood Cancers
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
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
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
Vascular access care
Procedures Most Often Billed to Medicare
32,534 services · 1,305 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
665 | As often as other peers in Hematology/Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
383 | More often than most peers in Hematology/Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
167 | More often than most peers in Hematology/Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
95 | As often as other peers in Hematology/Oncology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
93 | Less often than most peers in Hematology/Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
61 | Less often than most peers in Hematology/Oncology |
| Infusion into a vein for hydration, 31-60 minutes | Treatment | 96360 |
59 | As often as other peers in Hematology/Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
23 | Less often than most peers in Hematology/Oncology |
| Injection of drug or substance into vein | Treatment | 96374 |
22 | Less often than most peers in Hematology/Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
4,920 | As often as other 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 1
Same specialty, same street address — most likely the same department or group.
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.
Other hematology/oncology specialists in Orange City 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Massachusetts Medical School 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of Massachusetts Medical School 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 FL who bill this service to Medicare most often.
Common questions
What does Dr. Van Ummersen specialize in?
Dr. Van Ummersen is a hematology/oncology in Orange City, FL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Van Ummersen located?
Dr. Van Ummersen is listed at 2824 Enterprise Rd, Orange City, FL 32763. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Van Ummersen's phone number?
The number on file is (386) 774-7411. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Van Ummersen's NPI number?
Dr. Van Ummersen's National Provider Identifier is 1447211818. 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. Van Ummersen go to medical school?
Dr. Van Ummersen attended University of Massachusetts Medical School, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Van Ummersen been practicing?
Dr. Van Ummersen has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Van Ummersen do most often?
According to Medicare billing data, Dr. Van Ummersen performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as injection of drug or substance under skin or into muscle and infusion into a vein for therapy, prevention, or diagnosis, 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. Van Ummersen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Van Ummersen. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.