Dr. Buffy Cramer-Hammann PSY.D.
About this NPIWhat this record shows.
NPI 1821012873 is registered to Dr. Buffy Cramer-Hammann PSY.D., a Psychologist practising at 608 S Washington St, Suite 200 in Naperville, Illinois. Psychologist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Buffy Cramer-Hammann PSY.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- I20070621000698Clinical PsychologistIL
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 Dr. Buffy Cramer-Hammann PSY.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Buffy Cramer-Hammann PSY.D. directly at (630) 305-3020.
Frequently asked
Yes. NPI 1821012873 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychologist 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 (630) 305-3020.
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. Buffy Cramer-Hammann PSY.D. is a Type-1 individual NPI.