GREG K SAKAMOTO MD LLC
NPI 1508183823
Dermatology in Honolulu, HI

Active since April 26, 2010CLIA 12D2014172 · Microscopy
550 S BERETANIA ST, STE 603, HONOLULU, HI 96813(808) 447-7454(808) 447-7456 Get Directions Write a Review

NPPES record last updated: January 23, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Greg K Sakamoto Md Llc NPPES

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

GREG K SAKAMOTO MD LLC (NPI 1508183823) is a healthcare organization registered as a dermatology in Honolulu, Hawaii and active in the NPI registry since April 2010. The organization holds a CLIA Microscopy certificate valid through January 2, 2028 and lists Greg K Sakamoto, Sole Proprietor, as its authorized official.

NPPES Registry Identity

NPI1508183823
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameGREG K SAKAMOTO MD LLC
Location Address550 S BERETANIA ST, STE 603Honolulu, HI 96813-2414
Mailing Address550 S Beretania St, Ste 603Honolulu, HI 96813-2414 · (808) 447-7454 · Fax (808) 447-7456
Fax(808) 447-7456
Organization SubpartNo
Authorized OfficialGreg K SakamotoSole Proprietor · (808) 447-7454
Enumeration DateApril 26, 2010
Last NPPES UpdateJanuary 23, 2012
✔ NPI 1508183823 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in HI · MD-14900
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
550 S BERETANIA ST, Honolulu, HI 96813

Other Identifiers 1

Medicare UPINDF520AHI

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Greg K Sakamoto Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Greg K Sakamoto MD LLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Dermatology
NPI 1639205396
550 S BERETANIA ST SUITE 603
Honolulu, HI 96813
(808) 447-7454
✔ PECOS✔ Accepts MedicareSame address
Dermatology
NPI 1134187602
98-1079 MOANALUA RD SUITE 550
Aiea, HI 96701
(808) 487-0083
✔ PECOS✔ Accepts Medicare7.6 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 12D2014172

Greg K Sakamoto MD LLC · Honolulu, HI
Active · expires Jan 2, 2028
CLIA Number12D2014172
Laboratory TypePhysician Office
Certificate Effective DateJanuary 3, 2026
Certificate Expiration DateJanuary 2, 2028
Laboratory DirectorGreg K. Sakamoto
Laboratory Phone(808) 447-7454
Laboratory LocationGreg K Sakamoto MD LLC550 S Beretania St, Ste 603, Honolulu, HI 96813
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Greg K Sakamoto MD LLC's NPI number?

The NPI number for Greg K Sakamoto MD LLC is 1508183823. It was assigned to this organization in the NPPES registry on April 26, 2010.

Where is Greg K Sakamoto MD LLC located?

Greg K Sakamoto MD LLC is located at 550 S Beretania St Ste 603, Honolulu, HI 96813. The listed phone number is (808) 447-7454.

What is Greg K Sakamoto MD LLC's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Greg K Sakamoto MD LLC enrolled in Medicare?

Yes. Greg K Sakamoto MD LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Greg K Sakamoto MD LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Dermatology, reassign their Medicare billing to Greg K Sakamoto MD LLC. A 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 the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Greg K Sakamoto MD LLC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 12D2014172) is associated with this NPI, valid through January 2, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Greg K Sakamoto MD LLC was last updated on January 23, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.