Lynn Van Ummersen, MD - Medicare Hematology/oncology in Orange City, FL

Lynn Van Ummersen, MD is a medicare enrolled "Internal Medicine - Medical Oncology" physician in Orange City, Florida. She went to University Of Massachusetts Medical School and graduated in 1991 and has 33 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice Florida Cancer Specialists And Research Institute, Llc and her current practice location is 765 Image Way, Orange City, Florida. You can reach out to her office (for appointments etc.) via phone at (386) 774-7411.

Lynn Van Ummersen is licensed to practice in Florida (license number 99045) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1447211818.

Contact Information

Lynn Van Ummersen, MD
765 Image Way,
Orange City, FL 32763-8399
(386) 774-7411
(386) 774-7412

Map and Direction




Physician's Profile

Full NameLynn Van Ummersen
GenderFemale
SpecialityHematology/oncology
Experience33 Years
Location765 Image Way, Orange City, Florida
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Lynn Van Ummersen attended and graduated from University Of Massachusetts Medical School in 1991
  NPI Data:
  • NPI Number: 1447211818
  • Provider Enumeration Date: 03/28/2006
  • Last Update Date: 08/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6608893037
  • Enrollment ID: I20090609000054

Medical Identifiers

Medical identifiers for Lynn Van Ummersen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1447211818NPI-NPPES
000924400MedicaidFL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RX0202XInternal Medicine - Medical Oncology 99045 (Florida)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventhealth Fish MemorialOrange city, FLHospital
Adventhealth OrlandoOrlando, FLHospital
Adventhealth DelandDeland, FLHospital
Central Florida Regional HospitalSanford, FLHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Florida Cancer Specialists And Research Institute, Llc2567356058371

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Lynn Van Ummersen allows following entities to bill medicare on her behalf.
Entity NameFlorida Cancer Specialists & Research Institute, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760590962
PECOS PAC ID: 2567356058
Enrollment ID: O20040216000091

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Lynn Van Ummersen is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Lynn Van Ummersen, MD
Po Box 102222, Attn: Credential Department,
Atlanta, GA 30368-2222

Ph: (239) 432-8339
Lynn Van Ummersen, MD
765 Image Way,
Orange City, FL 32763-8399

Ph: (386) 774-7411

Reviews and Comments


Internal Medicine Doctors in Orange City, FL

Ahmed Elbanna, D.O.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2884 Wellness Ave, Ste 100, Orange City, FL 32763
Phone: 386-668-2221    Fax: 386-668-2228
Dr. Syed Bilal Ahmed, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2555 S Volusia Ave, Orange City, FL 32763
Phone: 386-774-0401    Fax: 386-774-5783
Janak Hirabhai Bhavsar, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 938 Saxon Blvd Ste 101-c, Orange City, FL 32763
Phone: 386-774-5485    Fax: 386-775-0761
Dr. Rohan K Desai, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2877 Wellness Ave, Orange City, FL 32763
Phone: 386-668-4650    Fax: 386-668-4649
Dr. Bushra Ajaz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2776 Enterprise Rd # 100, Orange City, FL 32763
Phone: 386-774-1223    
Dr. Saad M Khan, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 2541 S Volusia Ave Ste 300, Orange City, FL 32763
Phone: 386-218-6893    Fax: 386-218-6895
Manjunath Harlapur, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 759 Harley Strickland Blvd, Orange City, FL 32763
Phone: 646-645-4893    

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Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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