NPPES file of Aug 9, 2026

Clayton Lee Foster, MD

Infectious Disease Physician · Kailua Kona, HI

Clayton Lee Foster, MD is an infectious disease physician with a practice address in Kailua Kona, Hawaii, and NPI 1003105255, issued on Mar 28, 2011. Check the license (Hawaii MD-22161, 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
1003105255
Name
Clayton Lee Foster
Credential
MD
Primary taxonomy
Infectious Disease Physician 207RI0200X
License numbers
MD-22161 HI
CDRH.0054823 CO
DR.0054823 CO
DR.00654823 CO
Self-reported in NPPES; status is on the state search
Practice location
78-6831 Alii Dr Ste 422, Kailua Kona, HI 96740
Phone
(808) 747-8321
Enumerated
Mar 28, 2011
Record last updated
Jul 6, 2022
Fax
(808) 322-6005
Medicaid ID
42132738 CO
Medicare enrollment
Enrolled (PECOS I20220426000641); accepts Medicare assignment
Medical or professional school
University Of Alabama School Of Medicine, 2011
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 78-6831 Alii Dr Ste 422

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

  1. Angelica Johnson, ATCAthletic Trainer1144790437
  2. Natasha Kobayashi, PAPhysician Assistant1548140312
  3. Nicole Murray, RN, MSN, A-GNP-CAdult Health Nurse Practitioner1932839172
  4. Genia TaitanoSurgery Physician1972965408
  5. Laylah Zelko, MDSurgery Physician1851850853

Verify Clayton Lee Foster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersHawaii Medical Board
    Search for license MD-22161
    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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62% more Medicare Part D claims than the average infectious disease physician in 2024

1,118 Medicare Part D claims for 156 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Clayton Foster1,118
  2. Specialty average689

Most prescribed

  1. Azithromycin98 claims
  2. Ethambutol Hcl79 claims
  3. Ciprofloxacin Hcl77 claims
  4. Meropenem67 claims
  5. Linezolid51 claims
  6. Sulfamethoxazole-Trimethoprim47 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: $557.54

24 payments; by number, the most common kind was food and beverage; the largest payer was Insmed, Inc. The 3,895 providers of this specialty with any payment received $4,362.19 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Clayton Foster$557.54
  2. Specialty average$4,362.19

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. Alii Health CenterKailua Kona, HI

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

Infectious Disease Physician providers in Hawaii

There are 42 infectious disease physician records in Hawaii.

Other infectious disease physician records in Hawaii

  1. Azeem AhsanHonolulu, HI1295591741
  2. Christine Akamine, M.D.Honolulu, HI1154709764
  3. Rashmi BaragiHonolulu, HI1871740936
  4. Erlaine Bello, MDHonolulu, HI1265588065
  5. Steven Berman, M.D.Honolulu, HI1245207182
  6. Philip Bruno, DOHonolulu, HI1972603801
  7. Willis Chang, M.D.Ewa Beach, HI1558306720
  8. Sharon Chi, D.O.Honolulu, HI1770995912
  9. Heath Chung, M.D.Honolulu, HI1871605782
  10. Tarquin Collis, MDHonolulu, HI1376643189

Common questions

What is Clayton Lee Foster, MD's NPI number?

Clayton Lee Foster, MD's National Provider Identifier (NPI) is 1003105255, issued on Mar 28, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Clayton Lee Foster, MD located?

The NPPES record lists a practice address at 78-6831 Alii Dr Ste 422, Kailua Kona, HI, 96740. Phone: (808) 747-8321. Providers update this record themselves, so call before visiting.

How can I verify Clayton Lee Foster, MD's license?

NPPES lists Hawaii license number MD-22161, 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 Clayton Lee Foster, MD prescribe under Medicare Part D?

In 2024, Clayton Lee Foster, MD had 1,118 Medicare Part D claims for 156 beneficiaries; the average among infectious disease physician prescribers was 689. 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.

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.