Ryan Merkow MD
About this NPIWhat this record shows.
NPI 1396968889 is registered to Ryan Merkow MD, a Surgical Oncology Physician practising at 5841 S Maryland Ave Mc 5031 in Chicago, Illinois. Surgical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ryan Merkow MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 78 Surgical Oncology Physician providers on file in Illinois.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20170808000853Surgical OncologyIL
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Ryan Merkow MD accepts. To confirm in-network status with your specific health plan, contact Ryan Merkow MD directly at (773) 834-6416.
Frequently asked
Yes. NPI 1396968889 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Surgical Oncology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (773) 834-6416.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Ryan Merkow MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 78 Surgical Oncology Physician providers are registered in Illinois, and Ryan Merkow MD is one of them. The figure refreshes each month from the federal source.