Dr David D Ernst, OD - Medicare Optometrist in O Fallon, IL

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Dr David D Ernst, OD is a medicare enrolled "Optometrist" provider in O Fallon, Illinois. He went to University Of Nebraska College Of Medicine and graduated in 2009 and has 16 years of diverse experience with area of expertise as Optometry. He is a member of the group practice Family Eye Care Of Ofallon Pc and his current practice location is 735 Insight Ave, O Fallon, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 628-2903.

Dr David D Ernst is licensed to practice in Illinois (license number 046010290) 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 1306076518.

Contact Information

Dr David D Ernst, OD
735 Insight Ave,
O Fallon, IL 62269-2193
(618) 628-2903
(618) 628-2913

Map and Direction




Healthcare Provider's Profile

Full NameDr David D Ernst
GenderMale
SpecialityOptometry
Experience16 Years
Location735 Insight Ave, O Fallon, Illinois
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 David D Ernst attended and graduated from University Of Nebraska College Of Medicine in 2009
  NPI Data:
  • NPI Number: 1306076518
  • Provider Enumeration Date: 07/22/2009
  • Last Update Date: 12/11/2019
  Medicare PECOS Information:
  • PECOS PAC ID: 7810041498
  • Enrollment ID: I20090817000270

Medical Identifiers

Medical identifiers for Dr David D Ernst such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306076518NPI-NPPES
046010290MedicaidIL
1295778587OtherILNPI GROUP

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 046010290 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Family Eye Care Of Ofallon Pc62049268434

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 David D Ernst allows following entities to bill medicare on his behalf.
Provider NameFamily Eye Care Of Ofallon Pc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1801926340
PECOS PAC ID: 6204926843
Enrollment ID: O20071219000451
Provider NameClarkson Optometry Illinois, Pc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1548635758
PECOS PAC ID: 7012292147
Enrollment ID: O20170331001568

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 David D Ernst 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 David D Ernst, OD
735 Insight Ave,
O Fallon, IL 62269-2193

Ph: (618) 628-2903		Dr David D Ernst, OD
735 Insight Ave,
O Fallon, IL 62269-2193

Ph: (618) 628-2903

Reviews and Comments


Optometrist in O Fallon, IL

Sherri Morris, OD
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 1350 W Highway 50, O Fallon, IL 62269
Phone: 618-632-3195    Fax: 618-632-4083
Dr. Matthew Charles Falconer, OD
Optometrist
Medicare: Accepting Medicare Assignments
Practice Location: 1003 E Wesley Dr Ste A, O Fallon, IL 62269
Phone: 618-624-3937    
Ms. Vivian M Kloke, OD
Optometrist
Medicare: Accepting Medicare Assignments
Practice Location: 735 Insight Ave, O Fallon, IL 62269
Phone: 618-628-2903    Fax: 618-628-2913
Mrs. Kelli E Cadion Crago, OD
Optometrist
Medicare: Accepting Medicare Assignments
Practice Location: 735 Insight Ave, O Fallon, IL 62269
Phone: 618-628-2903    Fax: 618-628-2913
Oneopto Il 2 Pllc
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 1222 Central Park Dr, O Fallon, IL 62269
Phone: 618-628-7800    Fax: 618-628-7802
Blink Llc
Optometrist
Medicare: Not Enrolled in Medicare
Practice Location: 1003 E Wesley Dr, Ste A, O Fallon, IL 62269
Phone: 618-624-3937    Fax: 618-624-3940

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.