NPPES file of Aug 9, 2026

Gurpreet Singh, M.D.

Internal Medicine Physician · Honolulu, HI

Gurpreet Singh, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1578920641, issued on Jan 20, 2016. Check the license (Hawaii MD-20670, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578920641
Name
Gurpreet Singh
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
MD-20670 HI
285583 NY
Self-reported in NPPES; status is on the state search
Practice location
1301 Punchbowl St, Honolulu, HI 96813
Phone
(808) 691-1000
Enumerated
Jan 20, 2016
Record last updated
Dec 1, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161121001023); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →

Also registered at 1301 Punchbowl St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brenda Abbotnakandakari, RNDiabetes Educator Registered Nurse1760705248
  2. Janette AbramowitzPsychiatry Physician1275952335
  3. Natalie AdolfPhysician Assistant1396282414
  4. Hessam Afshari, MDEmergency Medicine Physician1811217573
  5. Cheryl Ann Afuso-Sumimoto, APRNOncology Clinical Nurse Specialist1750929253
  6. Kyan Renie AgbayaniInternal Medicine Physician1083101323

Verify Gurpreet Singh in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-20670    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Hawaii license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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93% fewer Medicare Part D claims than the average internal medicine physician in 2024

225 Medicare Part D claims for 116 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Gurpreet Singh225
  2. Specialty average3,176

Most prescribed

  1. Amoxicillin-Clavulanate Potass17 claims
  2. Cefdinir17 claims
  3. Eliquis15 claims
  4. Metoprolol Succinate13 claims
  5. Oxycodone Hcl11 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.

Industry payments in 2024: $19.59

1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gurpreet Singh$19.59
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospitals and group practices

  1. Samaritan Hospital OF Troy, New YorkTroy, NY · Acute Care Hospitals3 of 5 stars
  2. North Shore-Lij Medical PCNew Hyde Park, NY
  3. St Peters Hospital OF The City OF AlbanyAlbany, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Gurpreet Singh among 902 internal medicine physician records in Hawaii

Gurpreet Singh, M.D. is one of 902 internal medicine physician records with a practice address in Hawaii. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 73% of them.

  • NPI issued2016 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2012 · median 2001 among the 491 with a school on file
  • Record last updated2019 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

579 internal medicine physician records list a practice address in Honolulu

They are 579 of the 12,408 NPPES records with a practice address in Honolulu, and 902 internal medicine physician records in Hawaii.

All 902 in Hawaii → Every provider in Honolulu → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Justin Barratt, M.D.Honolulu, HI 968131861481574
  2. Dee-Ann Carpenter, MDHonolulu, HI 968131720080799
  3. Bo-Yin ChangHonolulu, HI 968131356314777
  4. Cleland Child, M.D.Honolulu, HI 968131548242076
  5. Dominic Chow, M.D.Honolulu, HI 968131063464972
  6. Michael Dung, MDHonolulu, HI 968131811963986
  7. Theodore Harada, MDHonolulu, HI 968131558324988
  8. Janet Kao, M.D.Honolulu, HI 968131467459131

Common questions

What is Gurpreet Singh, M.D.'s NPI number?

Gurpreet Singh, M.D.'s National Provider Identifier (NPI) is 1578920641, issued on Jan 20, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Gurpreet Singh, M.D. located?

The NPPES record lists a practice address at 1301 Punchbowl St, Honolulu, HI, 96813. Phone: (808) 691-1000. Providers update this record themselves, so call before visiting.

How can I verify Gurpreet Singh, M.D.'s license?

NPPES lists Hawaii license number MD-20670, 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 Gurpreet Singh, M.D. prescribe under Medicare Part D?

In 2024, Gurpreet Singh, M.D. had 225 Medicare Part D claims for 116 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.