Mark T Fahlen, MD - Medicare Nephrology in Modesto, CA

Mark T Fahlen, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Modesto, California. He went to Albany Medical College Of Union University and graduated in 1998 and has 26 years of diverse experience with area of expertise as Nephrology. His current practice location is 1400 Florida Ave, Suite 109, Modesto, California. You can reach out to his office (for appointments etc.) via phone at (209) 544-2910.

Mark T Fahlen is licensed to practice in California (license number A81212) 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 1679539415.

Contact Information

Mark T Fahlen, MD
1400 Florida Ave, Suite 109,
Modesto, CA 95350-4422
(209) 544-2910
Not Available

Map and Direction




Physician's Profile

Full NameMark T Fahlen
GenderMale
SpecialityNephrology
Experience26 Years
Location1400 Florida Ave, Modesto, 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:
  • Mark T Fahlen attended and graduated from Albany Medical College Of Union University in 1998
  NPI Data:
  • NPI Number: 1679539415
  • Provider Enumeration Date: 04/21/2006
  • Last Update Date: 08/02/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 1850367111
  • Enrollment ID: I20040908000652

Medical Identifiers

Medical identifiers for Mark T Fahlen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679539415NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A81212 (California)Secondary
207RN0300XInternal Medicine - Nephrology A81212 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ceres Dialysis CenterCeres, CADialysis facility
Satellite Dialysis Central ModestoModesto, CADialysis facility
Satellite Dialysis SonoraSonora, CADialysis facility
Parkway Kidney CenterModesto, CADialysis facility
Doctors Medical CenterModesto, CAHospital
Memorial Medical CenterModesto, CAHospital
Adventist Health SonoraSonora, CAHospital

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. Mark T Fahlen allows following entities to bill medicare on his behalf.
Entity NameMark T. Fahlen, Md, Inc. A Professional Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659537264
PECOS PAC ID: 2466511720
Enrollment ID: O20081101000147

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. Mark T Fahlen 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
Mark T Fahlen, MD
1400 Florida Ave, Suite 109,
Modesto, CA 95350-4422

Ph: (209) 544-2910
Mark T Fahlen, MD
1400 Florida Ave, Suite 109,
Modesto, CA 95350-4422

Ph: (209) 544-2910

Reviews and Comments


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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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.