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

Dr. Alan Abraham Buffenstein, MD

Individual provider Psychiatry Physician · NPI 1639278104

Dr. Alan Abraham Buffenstein, MD is a Psychiatry in Honolulu, Hawaii. Qualified in 1977, 49 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Hawaii.

Years since qualifying
49
Licensed in
HI
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1100 Ward Ave #1070
Honolulu, HI 96814-1600
Phone: (808) 548-5400
Fax: (808) 548-5408
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence 5407 (HI)
Geriatric Psychiatry Physician Taxonomy 2084P0805X · Licence 5407 (HI)
Pain Medicine (Psychiatry & Neurology) Physician Taxonomy 2084P2900X · Licence 5407 (HI)

Record details

NPI number1639278104
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 21, 2006
Last updated in NPPESFebruary 1, 2011
Mailing address1100 Ward Ave, 1070, Honolulu, HI 96814-1600

Medicare enrollment

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

Medicare specialtyPSYCHIATRY
Also practisesGERIATRIC PSYCHIATRY
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Honolulu