Dr Sian E Liem, OD - Medicare Optometrist in Scarborough, ME

Dr Sian E Liem, OD is a medicare enrolled "Optometrist" provider in Scarborough, Maine. She went to University Of California - School Of Optometry and graduated in 1996 and has 28 years of diverse experience with area of expertise as Optometry. She is a member of the group practice Casco Bay Eyecare Llc and her current practice location is 7 Portland Farms Rd, Scarborough, Maine. You can reach out to her office (for appointments etc.) via phone at (207) 883-2809.

Dr Sian E Liem is licensed to practice in Maine (license number OPT811) 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 1275522948.

Contact Information

Dr Sian E Liem, OD
7 Portland Farms Rd,
Scarborough, ME 04074-5301
(207) 883-2809
(207) 885-5607

Map and Direction




Healthcare Provider's Profile

Full NameDr Sian E Liem
GenderFemale
SpecialityOptometry
Experience28 Years
Location7 Portland Farms Rd, Scarborough, Maine
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:
  • Dr Sian E Liem attended and graduated from University Of California - School Of Optometry in 1996
  NPI Data:
  • NPI Number: 1275522948
  • Provider Enumeration Date: 10/17/2005
  • Last Update Date: 01/06/2012
  Medicare PECOS Information:
  • PECOS PAC ID: 9133164692
  • Enrollment ID: I20050624000361

Medical Identifiers

Medical identifiers for Dr Sian E Liem such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275522948NPI-NPPES
237970099MedicaidME

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist OPT811 (Maine)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Casco Bay Eyecare Llc32746205628

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 Sian E Liem allows following entities to bill medicare on her behalf.
Provider NameCasco Bay Eyecare Llc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1063401693
PECOS PAC ID: 3274620562
Enrollment ID: O20071102000479

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 Sian E Liem 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 Sian E Liem, OD
Po Box 7487,
Portland, ME 04112-7487

Ph: (207) 885-8686
Dr Sian E Liem, OD
7 Portland Farms Rd,
Scarborough, ME 04074-5301

Ph: (207) 883-2809

Reviews and Comments


Optometrist in Scarborough, ME

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Practice Location: 25 Hannaford Dr., Scarborough, ME 04074
Phone: 207-396-6603    Fax: 207-396-6604
Dr. Kyle Stephen Benner, O.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 7 Portland Farms Rd, Scarborough, ME 04074
Phone: 207-883-2809    

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.