Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Buffy Jean Cramer-Hammann, PSYD

Individual provider Psychologist · NPI 1821012873

Dr. Buffy Jean Cramer-Hammann, PSYD is a Clinical Psychologist in Naperville, Illinois. Qualified in 2001, 25 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
25
Licensed in
IL
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

608 S Washington St Ste 200
Naperville, IL 60540-6663
Phone: (630) 305-3020
Fax: (630) 305-3660
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 071006448 (IL)

Record details

NPI number1821012873
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorYes
NPI enumeratedJuly 26, 2006
Last updated in NPPESJanuary 23, 2013
Mailing address1081 Annandale Dr, Elgin, IL 60123-6534

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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