ANDREA MERKLER, APN, CDE appears in the CMS NPPES registry as a Perinatal Clinical Nurse Specialist provider holding APN, CDE credentials at 4440 W 95TH ST, OAK LAWN, IL, 60453, with a listed phone of (708) 684-1678. NPI 1477613073 was issued on 12/12/2006. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what MERKLER most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 14 prescription claims written by this provider, covering N/A Medicare beneficiaries and totaling roughly $4K in drug spend. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Perinatal Clinical Nurse Specialist is a narrow specialty nationwide, with 28 enrolled providers across 16 states and an average of 24 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.