Thomas A Marsland, MD - Medicare Medical Oncology in Petaluma, CA

Thomas A Marsland, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Petaluma, California. He went to Temple University School Of Medicine and graduated in 1974 and has 50 years of diverse experience with area of expertise as Medical Oncology. He is a member of the group practice Providence Medical Foundation and his current practice location is 110 Lynch Creek Way Ste A, Petaluma, California. You can reach out to his office (for appointments etc.) via phone at (707) 763-0600.

Thomas A Marsland is licensed to practice in California (license number G140901) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1477558716.

Contact Information

Thomas A Marsland, MD
110 Lynch Creek Way Ste A,
Petaluma, CA 94954
(707) 763-0600
(707) 765-1757

Map and Direction




Physician's Profile

Full NameThomas A Marsland
GenderMale
SpecialityMedical Oncology
Experience50 Years
Location110 Lynch Creek Way Ste A, Petaluma, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Thomas A Marsland attended and graduated from Temple University School Of Medicine in 1974
  NPI Data:
  • NPI Number: 1477558716
  • Provider Enumeration Date: 06/14/2005
  • Last Update Date: 11/08/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7719871326
  • Enrollment ID: I20170131000506

Medical Identifiers

Medical identifiers for Thomas A Marsland such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477558716NPI-NPPES
068732400MedicaidFL
900429OtherFLWELLCARE
P0026506OtherFLFLORIDA HEALTHCARE PLUS
0049336OtherFLCIGNA
P01383299OtherFLRR MEDICARE
4199901OtherFLAETNA
1107969OtherFLCARE PLUS HEALTH PLANS
15581OtherFLBCBS
16810OtherFLWELLCARE
202563OtherFLAVMED
P01327658OtherFLRR MEDICARE
P1004617OtherFLFREEDOM HEALTH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology MD 36755 (Florida)Secondary
207RH0003XInternal Medicine - Hematology & Oncology G140901 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Santa Rosa Memorial HospitalSanta rosa, CAHospital
Petaluma Valley HospitalPetaluma, CAHospital
Sonoma Valley HospitalSonoma, CAHospital
Providence Portland Medical CenterPortland, ORHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Medical Foundation89219932051312

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. Thomas A Marsland allows following entities to bill medicare on his behalf.
Entity NameProvidence Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285890624
PECOS PAC ID: 8921993205
Enrollment ID: O20040216001346

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. Thomas A Marsland 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
Thomas A Marsland, MD
110 Lynch Creek Way Ste A,
Petaluma, CA 94954-2337

Ph: () -
Thomas A Marsland, MD
110 Lynch Creek Way Ste A,
Petaluma, CA 94954

Ph: (707) 763-0600

Reviews and Comments


Internal Medicine Doctors in Petaluma, CA

Timothy M Sowerby, MD
Hematology & Oncology
Medicare: May Accept Medicare Assignments
Practice Location: 3900 Lakeville Hwy, Petaluma, CA 94954
Phone: 707-765-3900    
Nina Rachel Molin, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 1179 N Mcdowell Blvd, Petaluma, CA 94954
Phone: 707-559-7500    
Dr. Philippe Edouard, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1179 N Mcdowell Blvd, Petaluma, CA 94954
Phone: 707-559-7500    Fax: 707-559-7620
Dr. Gerald S. Besses, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 124 Sunny Hill Dr, Petaluma, CA 94952
Phone: 707-658-2799    
Dr. Jeffrey Tobias, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 10 Lavender Ter, Petaluma, CA 94952
Phone: 650-200-8944    
Dr. Thomas Paton Knecht, MD, PHD
Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 141 Lynch Creek Way, Suite A, Petaluma, CA 94954
Phone: 707-762-0001    
Stephen A. Weiss, MD
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 3900 Lakeville Hwy, Petaluma, CA 94954
Phone: 707-765-3900    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

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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