Dr. Sylvia Knowlton M.D.
About this NPIWhat this record shows.
NPI 1164553319 is registered to Dr. Sylvia Knowlton M.D., a Allergy & Immunology (Internal Medicine) Physician practising at 1549 Waterwells Rd in Alfred Station, New York. Allergy & Immunology (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Sylvia Knowlton M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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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 Dr. Sylvia Knowlton M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Sylvia Knowlton M.D. directly at (607) 587-9008.
Frequently asked
Yes. NPI 1164553319 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Allergy & Immunology (Internal Medicine) 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 (607) 587-9008.
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. Dr. Sylvia Knowlton M.D. is a Type-1 individual NPI.