Thomas Lanno Cook, M.D.
Psychiatry Physician · Honolulu, HI
Thomas Lanno Cook, M.D. is a psychiatry physician with a practice address in Honolulu, Hawaii, and NPI 1497989149, issued on May 11, 2009. Check the license (Hawaii 39, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Thomas Lanno Cook
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 39 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1110 University Ave Ste 302, Honolulu, HI 96826
- Phone
- (808) 457-1082
- Enumerated
- May 11, 2009
- Record last updated
- Dec 5, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (808) 356-1649
- Medicare enrollment
- Enrolled (PECOS I20150206001377); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 331 in Hawaii → Look up another NPI →
Verify Thomas Lanno Cook in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 39Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average psychiatry physician in 2024
763 Medicare Part D claims for 113 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Alprazolam66 claims
- Dextroamphetamine-Amphetamine63 claims
- Diazepam59 claims
- Olanzapine55 claims
- Lorazepam46 claims
- Clonazepam45 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.
Bills Medicare through one group practice
- Happy Happy Happy LLCHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas Lanno Cook among 331 psychiatry physician records in Hawaii
Thomas Lanno Cook, M.D. is one of 331 psychiatry physician records with a practice address in Hawaii. 60% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 60% of them.
- NPI issued2009 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 60% of these records are
- In the CMS Doctors and Clinicians fileYes · 33% of these records are
- Graduated2009 · median 2003 among the 110 with a school on file
- Record last updated2018 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
175 psychiatry physician records list a practice address in Honolulu
They are 175 of the 12,408 NPPES records with a practice address in Honolulu, and 331 psychiatry physician records in Hawaii.
All 331 in Hawaii → Every provider in Honolulu → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Richard Chung, MDHonolulu, HI 968251366784761
- Peter Collori, MDHonolulu, HI 968251336242791
- David FriarHonolulu, HI 968251235265828
- Janice Montgomery-Suber, FNPHonolulu, HI 968251578723300
- John Neuhaus, M.D.Honolulu, HI 968251700085321
- William Portman, M.D.Honolulu, HI 968251639551294
- Lisa Ryan, M.D.Honolulu, HI 968251467415786
- Rika Suzuki, M.D.Honolulu, HI 968231649472804
Common questions
What is Thomas Lanno Cook, M.D.'s NPI number?
Thomas Lanno Cook, M.D.'s National Provider Identifier (NPI) is 1497989149, issued on May 11, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Lanno Cook, M.D. located?
The NPPES record lists a practice address at 1110 University Ave Ste 302, Honolulu, HI, 96826. Phone: (808) 457-1082. Providers update this record themselves, so call before visiting.
How can I verify Thomas Lanno Cook, M.D.'s license?
NPPES lists Hawaii license number 39, 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 Thomas Lanno Cook, M.D. prescribe under Medicare Part D?
In 2024, Thomas Lanno Cook, M.D. had 763 Medicare Part D claims for 113 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.