Dr Michael F Diffendall, OD - Medicare Optometrist in Phoenix, MD

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Dr Michael F Diffendall, OD is a medicare enrolled "Optometrist" provider in Phoenix, Maryland. He went to Pennsylvania College Of Optometry and graduated in 1995 and has 30 years of diverse experience with area of expertise as Optometry. He is a member of the group practice M.f. Diffendall, Od, Pa and his current practice location is 3332 Paper Mill Rd, Phoenix, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 628-1510.

Dr Michael F Diffendall is licensed to practice in Maryland (license number TA1372) 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 1184667057.

Contact Information

Dr Michael F Diffendall, OD
3332 Paper Mill Rd,
Phoenix, MD 21131-1419
(410) 628-1510
(410) 628-1511

Map and Direction




Healthcare Provider's Profile

Full NameDr Michael F Diffendall
GenderMale
SpecialityOptometry
Experience30 Years
Location3332 Paper Mill Rd, Phoenix, Maryland
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:
  • Dr Michael F Diffendall attended and graduated from Pennsylvania College Of Optometry in 1995
  NPI Data:
  • NPI Number: 1184667057
  • Provider Enumeration Date: 06/14/2006
  • Last Update Date: 10/30/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 3072728914
  • Enrollment ID: I20130314000118

Medical Identifiers

Medical identifiers for Dr Michael F Diffendall such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1184667057NPI-NPPES
403626300MedicaidMD
1086642OtherMDMAMSI
67500005OtherDCBLUE CROSS CAREFIRST

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist TA1372 (Maryland)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
M.f. Diffendall, Od, Pa93353846432

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. Dr Michael F Diffendall allows following entities to bill medicare on his behalf.
Provider NameM.f. Diffendall, Od, Pa
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1194074476
PECOS PAC ID: 9335384643
Enrollment ID: O20130314000104
Provider NameProfessional Vision Of Ellicott City, Inc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1952796187
PECOS PAC ID: 4082925045
Enrollment ID: O20150617000393

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. Dr Michael F Diffendall 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
Dr Michael F Diffendall, OD
3714 Tudor Arms Ave,
Baltimore, MD 21211-2246

Ph: (410) 366-0165		Dr Michael F Diffendall, OD
3332 Paper Mill Rd,
Phoenix, MD 21131-1419

Ph: (410) 628-1510

Reviews and Comments


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Dr. Barry M Weiner, O.D.
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Phone: 410-628-1510    Fax: 410-666-5244
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Medicare: Medicare Enrolled
Practice Location: 3332 Paper Mill Rd, Phoenix, MD 21131
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Medicare: Not Enrolled in Medicare
Practice Location: 3332 Paper Mill Rd, Phoenix, MD 21131
Phone: 410-628-1510    

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.