Gregory V. Sierminski, D.d.s., P.c. - Dental Clinic in Crystal Lake, IL

Gregory V. Sierminski, D.d.s., P.c. is a dental clinic (Dentist) in Crystal Lake, Illinois. The current practice location for Gregory V. Sierminski, D.d.s., P.c. is 7442 Hancock Drive, Crystal Lake, Illinois. For appointments, you can reach them via phone at (815) 728-0100. The mailing address for Gregory V. Sierminski, D.d.s., P.c. is P.o. Box 388, Wonder Lake, Illinois and phone number is (815) 728-0100.

Gregory V. Sierminski, D.d.s., P.c. is licensed to practice in * (Not Available) (license number ) and its NPI number is 1720259013. This medical practice does not participate in medicare program and thus may not accept your medicare insurance. You may check if they accept your insurance at (815) 728-0100.

Contact Information

Gregory V. Sierminski, D.d.s., P.c.
7442 Hancock Drive
Crystal Lake
IL 60097
(815) 728-0100
(815) 728-0114

Map and Direction


Dental Care Clinic Profile

Full NameGregory V. Sierminski, D.d.s., P.c.
SpecialityDentist
Location7442 Hancock Drive, Crystal Lake, Illinois
Authorized Official Name and PositionGregory Valentine Sierminski (DENTIST)
Authorized Official Contact8157280100
Accepts Medicare InsuranceThis clinic does not participate in Medicare Program.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Gregory V. Sierminski, D.d.s., P.c.
P.o. Box 388
Wonder Lake
IL 60097

Ph: (815) 728-0100
Gregory V. Sierminski, D.d.s., P.c.
7442 Hancock Drive
Crystal Lake
IL 60097

Ph: (815) 728-0100

NPI Details:

NPI Number1720259013
Provider Enumeration Date03/14/2008
Last Update Date03/14/2008

Medical Identifiers

Medical identifiers for Gregory V. Sierminski, D.d.s., P.c. such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1720259013NPI-NPPES
101265MedicaidIL
1003734MedicaidIL

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
122300000XDentist (* (Not Available))Primary

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.