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DR. ALAN ABRAHAM BUFFENSTEIN M.D
NPI 1639278104
Psychiatry & Neurology - Psychiatry in Honolulu, HI

Active since September 21, 2006PECOS EnrolledAccepts Medicare Assignment
1100 WARD AVE, #1070, HONOLULU, HI 96814(808) 548-5400(808) 548-5408 Get Directions Write a Review

NPPES record last updated: February 1, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Alan Abraham Buffenstein M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALAN ABRAHAM BUFFENSTEIN M.D (NPI 1639278104) is an individual psychiatry provider in Honolulu, Hawaii, licensed in Hawaii (5407) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1977).

NPPES Registry Identity

NPI1639278104
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. ALAN ABRAHAM BUFFENSTEINCredential: M.D
Location Address1100 WARD AVE, #1070Honolulu, HI 96814-1600
Mailing Address1100 Ward Ave, #1070Honolulu, HI 96814-1600 · (808) 548-5400 · Fax (808) 548-5408
Phone(808) 548-5400
Fax(808) 548-5408
Sole ProprietorYes
Medical School CMSOtherGraduated 1977
Enumeration DateSeptember 21, 2006
Last NPPES UpdateFebruary 1, 2011
✔ NPI 1639278104 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in HI · 5407
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Geriatric PsychiatryTaxonomy 2084P0805X · License 5407 (HI)
Also ListedPsychiatry & Neurology · Pain MedicineTaxonomy 2084P2900X · License 5407 (HI)
1100 WARD AVE, Honolulu, HI 96814
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMSA.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Alan Abraham Buffenstein M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224006770
PECOS Enrollment IDI20040922000433
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
80 services12 patients
Initial nursing facility care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99304
An initial nursing facility visit is a daily check-up to monitor your health status. This service, lasting typically 25 minutes, involves a nurse assessing your overall wellbeing, discussing concerns, and updating your care plan as needed.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96814 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$180.05 typical visit price
range $60.53 – $180.05
Typical copayment $45.01 (range $15.13 – $45.01)
Most-billed visit code 99205
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. DAVID H.F. TOM M.D.
Psychiatry & Neurology (Psychiatry)
1100 WARD AVE, SUITE 840
HONOLULU, HI 96814
Honolulu County (808) 522-4521
DR. ALAN R FAULKNER M.D.
Ophthalmology
1100 WARD AVE, SUITE 1000
HONOLULU, HI 96814
Honolulu County (808) 792-3937
DR. RICHARD HARVEY JACOBSON MD
Psychiatry & Neurology (Psychiatry)
1100 WARD AVE, SUITE 1070
HONOLULU, HI 96814
Honolulu County (808) 548-5400
DAN KWOK, D.O., LLC
Clinic/Center (Primary Care)
1100 WARD AVE, STE 700
HONOLULU, HI 96814
Honolulu County (808) 544-2645
ELIZABETH-ROSE HANOHANO-HONG O.D.
Optometrist
1100 WARD AVE, SUITE 1000
HONOLULU, HI 96814
Honolulu County (808) 792-3937
DAVID MCEWAN MD
Family Medicine
1100 WARD AVE, 700
HONOLULU, HI 96814
Honolulu County (808) 544-2625
DR. JOHN SHIAO-FONG GUO M.D.
Psychiatry & Neurology (Psychiatry)
1100 WARD AVE, SUITE 840
HONOLULU, HI 96814
Honolulu County (808) 522-4521
DR. WADE KOJI NOBUHARA D.D.S., M.S.
Dentist (Endodontics)
1100 WARD AVE, SUITE 1015
HONOLULU, HI 96814
Honolulu County (808) 532-3900

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alan Buffenstein's NPI number?

The NPI number for Alan Buffenstein is 1639278104. It was assigned to this individual provider in the NPPES registry on September 21, 2006.

Where is Alan Buffenstein located?

Alan Buffenstein practices at 1100 Ward Ave #1070, Honolulu, HI 96814. The listed phone number is (808) 548-5400.

What is Alan Buffenstein's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Alan Buffenstein enrolled in Medicare?

Yes. Alan Buffenstein is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Alan Buffenstein accept?

Health plans from HMSA list Alan Buffenstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alan Buffenstein was last updated on February 1, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.