NPPES file of Aug 9, 2026

Ahmed Rehan, M.D.

Nephrology Physician · Honolulu, HI

Ahmed Rehan, M.D. is a nephrology physician with a practice address in Honolulu, Hawaii, and NPI 1700846987, issued on Mar 23, 2006. Check the license (Hawaii MD-21768, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700846987
Name
Ahmed Rehan
Credential
M.D.
Primary taxonomy
Nephrology Physician 207RN0300X
License numbers
MD-21768 HI
5315128410 MI
Self-reported in NPPES; status is on the state search
Practice location
1520 Liliha St Ste 601, Honolulu, HI 96817
Phone
(808) 523-0445
Enumerated
Mar 23, 2006
Record last updated
Apr 11, 2024
Fax
(808) 356-3380
Medicare enrollment
Enrolled (PECOS I20220330002730); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Also registered at 1520 Liliha St Ste 601

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

  1. Erik Anderson, APRNAdult Health Nurse Practitioner1174890107
  2. Lei-Ann CadizGerontology Nurse Practitioner1578165072
  3. Mark Carreon, MSN, ACNPNurse Practitioner1063757573
  4. Cristine DaparFamily Nurse Practitioner1669259834
  5. Andrea Fukuhara, APRN-RXNurse Practitioner1518517572
  6. Courtney GatesRegistered Nurse1780281691

Verify Ahmed Rehan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-21768
    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

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29% fewer Medicare Part D claims than the average nephrology physician in 2024

1,038 Medicare Part D claims for 238 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Ahmed Rehan1,038
  2. Specialty average1,465

Most prescribed

  1. Losartan Potassium125 claims
  2. Farxiga112 claims
  3. Amlodipine Besylate66 claims
  4. Furosemide62 claims
  5. Jardiance52 claims
  6. Chlorthalidone45 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): 87.2 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.

  1. Qualityout of 100 · 30% of the final score71.9
  2. Costout of 100 · 30%68.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $353.51

10 payments; by number, the most common kind was food and beverage; the largest payer was Ardelyx, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ahmed Rehan$353.51
  2. Specialty average$3,091.37

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

  1. Hawaii Kidney Specialists LLPHonolulu, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Nephrology Physician providers in Hawaii

There are 65 nephrology physician records in Hawaii.

Other nephrology physician records in Hawaii

  1. Thomas Jessie Aldan, M.D.Honolulu, HI1790103075
  2. Alice Alverio, M.D.Tripler Army Medical Center, HI1699940668
  3. Nivin Aziz, M.D.Honolulu, HI1790932978
  4. Rahul Bhaskar, MDWaipahu, HI1356904015
  5. Rossini Botev, MDHonolulu, HI1952415333
  6. Alex Carlos, MDWaipahu, HI1770147225
  7. Thomas Chen, MDHonolulu, HI1457575417
  8. Shiuh-Feng Cheng, M.D.Honolulu, HI1962493049
  9. Chester Ching, MDWaipahu, HI1568481281
  10. Karen Ching, MDHonolulu, HI1275647612

Common questions

What is Ahmed Rehan, M.D.'s NPI number?

Ahmed Rehan, M.D.'s National Provider Identifier (NPI) is 1700846987, issued on Mar 23, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ahmed Rehan, M.D. located?

The NPPES record lists a practice address at 1520 Liliha St Ste 601, Honolulu, HI, 96817. Phone: (808) 523-0445. Providers update this record themselves, so call before visiting.

How can I verify Ahmed Rehan, M.D.'s license?

NPPES lists Hawaii license number MD-21768, 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 Ahmed Rehan, M.D. prescribe under Medicare Part D?

In 2024, Ahmed Rehan, M.D. had 1,038 Medicare Part D claims for 238 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.

What is Ahmed Rehan, M.D.'s MIPS final score?

The 2023 MIPS final score is 87.2 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.