DR. SAMUEL ALEXANDER DO
NPI 1255969036
Psychiatry & Neurology - Psychiatry in Honolulu, HI

Q: What is Samuel Alexander's NPI number?

The NPI number for Samuel Alexander is 1255969036. It was assigned to this individual provider in the NPPES registry on March 29, 2020. The provider is also known as Dr. Sammy Alexander.

Q: What is Samuel Alexander's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Samuel Alexander was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.

Active since March 29, 2020PECOS Enrolled

120 KAIULANI AVE STE KW12, HONOLULU, HI 96815(808) 378-3665 Get Directions Write a Review

NPPES record last updated: March 7, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 7, 2025, Feb 19, 2025, Jul 3, 2024 and 4 more (7 updates tracked since 2020).

On this page

About Dr. Samuel Alexander Do NPPES

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

DR. SAMUEL ALEXANDER DO (NPI 1255969036) is an individual psychiatry provider in Honolulu, Hawaii, licensed in Hawaii (DOS-2561) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS and is a graduate of Liberty Univ College Of Osteopathic Medicine (2020).

NPPES Registry Identity

NPI1255969036

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. SAMUEL ALEXANDERCredential: DO

Location Address120 KAIULANI AVE STE KW12Honolulu, HI 96815-6203

Mailing Address120 Kaiulani Ave Ste Kw12Honolulu, HI 96815-6203 · (808) 378-3665 · Fax (808) 649-2488

Phone(808) 378-3665

Sole ProprietorNo

Medical School CMSLiberty Univ College Of Osteopathic MedicineGraduated 2020

Enumeration DateMarch 29, 2020

Last NPPES UpdateMarch 7, 20257 updates tracked since enumeration

NPPES CertifiedMarch 7, 2025

✔ NPI 1255969036 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in HI · DOS-2561

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.

120 KAIULANI AVE STE KW12, Honolulu, HI 96815

Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Sammy Alexander

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Samuel Alexander Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6800321530

PECOS Enrollment IDI20251124002758

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.

Medicare Billing Reassignment

Medicare enrollment records show Samuel Alexander reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Department Of State Hospitals

2,415 mi

Psychiatric Hospital

2100 NAPA VALLEJO HWY
Napa, CA 94558

Reassigned Medicare billing, California enrollment
755 clinicians in this Medicare group

NPI 1326098161 (707) 253-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 96815 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 2

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

ORTHOPEDICS HAWAII

Orthopaedic Surgery

120 KAIULANI AVE STE KW12
HONOLULU, HI 96815

Honolulu County (808) 922-2112

S ALEXANDER PLLC

Psychiatry & Neurology (Psychiatry)

120 KAIULANI AVE STE KW12
HONOLULU, HI 96815

Honolulu County (808) 378-3662

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 Samuel Alexander's NPI number?

The NPI number for Samuel Alexander is 1255969036. It was assigned to this individual provider in the NPPES registry on March 29, 2020. The provider is also known as Dr. Sammy Alexander.

Where is Samuel Alexander located?

Samuel Alexander practices at 120 Kaiulani Ave Ste Kw12, Honolulu, HI 96815. The listed phone number is (808) 378-3665.

What is Samuel Alexander's specialty?

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

Is Samuel Alexander enrolled in Medicare?

Yes. Samuel Alexander is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Samuel Alexander's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samuel Alexander reassigns Medicare benefits to Department Of State Hospitals (Napa, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Samuel Alexander's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Samuel Alexander accept?

Health plans from HMSA list Samuel Alexander 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 Samuel Alexander was last updated on March 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months 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.