Patrick Joseph Lam, M.D.
Internal Medicine Physician · Honolulu, HI
Patrick Joseph Lam, M.D. is an internal medicine physician with a practice address in Honolulu, Hawaii, and NPI 1598870164, issued on Aug 21, 2006. Check the license (Hawaii 4358, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Patrick Joseph Lam
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 4358 HI
Self-reported in NPPES; status is on the state search - Practice location
- 1523 Kalakaua Ave, Honolulu, HI 96826
- Phone
- (808) 942-7727
- Enumerated
- Aug 21, 2006
- Record last updated
- Sep 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (808) 943-8905
- Medicare enrollment
- Enrolled (PECOS I20100923000407); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1979
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 902 in Hawaii → Look up another NPI →
Verify Patrick Joseph Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license 4358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
17% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,647 Medicare Part D claims for 265 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Atorvastatin Calcium341 claims
- Losartan Potassium184 claims
- Amlodipine Besylate116 claims
- Metoprolol Succinate107 claims
- Levothyroxine Sodium101 claims
- Hydrochlorothiazide73 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.
Patrick Joseph Lam among 902 internal medicine physician records in Hawaii
Patrick Joseph Lam, 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 55% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated1979 · median 2001 among the 491 with a school on file
- Record last updated2008 · 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
- Akua Agyeman, MD PHDHonolulu, HI 968261831377688
- Boyuan Cao, M.D.Honolulu, HI 968261851344469
- Steven Dang, MDHonolulu, HI 968261376592378
- Janice Harada, M.D.Honolulu, HI 968261639271562
- Gary Inamine, MDHonolulu, HI 968261013060698
- Nikki Inamine, M.D.Honolulu, HI 968261780848556
- Mingsang Lin, M.D.Honolulu, HI 968261013984897
- John Melish, MDHonolulu, HI 968261205868361
Common questions
What is Patrick Joseph Lam, M.D.'s NPI number?
Patrick Joseph Lam, M.D.'s National Provider Identifier (NPI) is 1598870164, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Joseph Lam, M.D. located?
The NPPES record lists a practice address at 1523 Kalakaua Ave, Honolulu, HI, 96826. Phone: (808) 942-7727. Providers update this record themselves, so call before visiting.
How can I verify Patrick Joseph Lam, M.D.'s license?
NPPES lists Hawaii license number 4358, 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 Patrick Joseph Lam, M.D. prescribe under Medicare Part D?
In 2024, Patrick Joseph Lam, M.D. had 2,647 Medicare Part D claims for 265 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.
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.