Greg K. Sakamoto, MD
Dermatology Physician · Honolulu, HI
Greg K. Sakamoto, MD is a dermatology physician with a practice address in Honolulu, Hawaii, and NPI 1639205396, issued on Feb 26, 2007. Check the license (Hawaii 14900, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Greg K. Sakamoto
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 14900 HI
Self-reported in NPPES; status is on the state search - Practice location
- 550 S Beretania St, Honolulu, HI 96813
- Phone
- (808) 447-7454
- Enumerated
- Feb 26, 2007
- Record last updated
- Jan 23, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (808) 447-7456
- Medicare enrollment
- Enrolled (PECOS I20100714000193); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 68 in Hawaii → Look up another NPI →
Also registered at 550 S Beretania St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Greg K. Sakamoto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 14900Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average dermatology physician in 2024
1,760 Medicare Part D claims for 528 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Halobetasol Propionate197 claims
- Clobetasol Propionate176 claims
- Mupirocin139 claims
- Dupixent Pen112 claims
- Mometasone Furoate83 claims
- Ketoconazole82 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 83.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $506.16
21 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 10,250 providers of this specialty with any payment received $8,544.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Greg K Sakamoto MD LLCHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Greg K. Sakamoto among 68 dermatology physician records in Hawaii
Greg K. Sakamoto, MD is one of 68 dermatology physician records with a practice address in Hawaii. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2005 · median 2005 among the 49 with a school on file
- Record last updated2012 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Hawaii
There are 68 dermatology physician records in Hawaii.
All 68 in Hawaii → Every provider in Honolulu → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Douglas Chun, MDHonolulu, HI 968131942373865
- Kevin Dawson, MDHonolulu, HI 968131811959414
- Aaron Fong, MDHonolulu, HI 968131316478720
- Miki Garcia, M.D.Honolulu, HI 968131265632194
- Roman Glamb, M.D.Honolulu, HI 968131740386325
- Jay Grekin, M.D.Honolulu, HI 968131013006659
- Sarah Grekin, M.D.Honolulu, HI 968131326205006
- Gregory Herbich, M.D.Honolulu, HI 968131780800987
Common questions
What is Greg K. Sakamoto, MD's NPI number?
Greg K. Sakamoto, MD's National Provider Identifier (NPI) is 1639205396, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Greg K. Sakamoto, MD located?
The NPPES record lists a practice address at 550 S Beretania St, Honolulu, HI, 96813. Phone: (808) 447-7454. Providers update this record themselves, so call before visiting.
How can I verify Greg K. Sakamoto, MD's license?
NPPES lists Hawaii license number 14900, as entered by the provider. Search the Hawaii Medical Board at https://cca.hawaii.gov/pvl/boards/medical/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Greg K. Sakamoto, MD prescribe under Medicare Part D?
In 2024, Greg K. Sakamoto, MD had 1,760 Medicare Part D claims for 528 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Greg K. Sakamoto, MD's MIPS final score?
The 2023 MIPS final score is 83.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.