Dr Christopher Alan Williams, MD - Medicare Ophthalmology in Chester, PA

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Dr Christopher Alan Williams, MD is a medicare enrolled "Ophthalmology" physician in Chester, Pennsylvania. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 1988 and has 36 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Ophthalmic Surgical Associates Inc, Wills Eye Ophthalmology Clinic, Inc and his current practice location is 30 Medical Center Blvd Ste 104, Chester, Pennsylvania. You can reach out to his office (for appointments etc.) via phone at (610) 874-5261.

Dr Christopher Alan Williams is licensed to practice in Pennsylvania (license number MD43266L) 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 1225001845.

Contact Information

Dr Christopher Alan Williams, MD
30 Medical Center Blvd Ste 104,
Chester, PA 19013-3955
(610) 874-5261
(610) 874-0318

Map and Direction




Physician's Profile

Full NameDr Christopher Alan Williams
GenderMale
SpecialityOphthalmology
Experience36 Years
Location30 Medical Center Blvd Ste 104, Chester, Pennsylvania
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 Christopher Alan Williams attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 1988
  NPI Data:
  • NPI Number: 1225001845
  • Provider Enumeration Date: 02/13/2006
  • Last Update Date: 11/01/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 4284606799
  • Enrollment ID: I20040806000155

Medical Identifiers

Medical identifiers for Dr Christopher Alan Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225001845NPI-NPPES
01139430201MedicaidPA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology MD43266L (Pennsylvania)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Crozer Chester Medical CenterUpland, PAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ophthalmic Surgical Associates Inc72149070545
Wills Eye Ophthalmology Clinic, Inc9133025166121

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 Christopher Alan Williams allows following entities to bill medicare on his behalf.
Entity NameWills Eye Ophthalmology Clinic, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1184624009
PECOS PAC ID: 9133025166
Enrollment ID: O20031210000801
Entity NameCataract And Primary Eye Care Service Lp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1417991720
PECOS PAC ID: 4880664622
Enrollment ID: O20040728001409
Entity NameOphthalmic Surgical Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619921327
PECOS PAC ID: 7214907054
Enrollment ID: O20040728001437

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 Christopher Alan Williams 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 Christopher Alan Williams, MD
30 Medical Center Blvd Ste 104,
Chester, PA 19013-3955

Ph: (610) 874-5261		Dr Christopher Alan Williams, MD
30 Medical Center Blvd Ste 104,
Chester, PA 19013-3955

Ph: (610) 874-5261

Reviews and Comments


Ophthalmology Doctors in Chester, PA

Elaine Zhou, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1 Medical Center Blvd, Chester, PA 19013
Phone: 610-874-6114    
Dr. John C Witherell, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 30 Medical Center Blvd Ste 104, Chester, PA 19013
Phone: 610-874-5261    Fax: 610-874-0318
Dr. Sheldon Lewis Morris, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 30 Medical Center Blvd Ste 104, Chester, PA 19013
Phone: 610-874-5261    Fax: 610-874-0318

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.