Karen Chen, MD, MPHIL
Ophthalmology Physician · Honolulu, HI
Karen Chen, MD, MPHIL is an ophthalmology physician with a practice address in Honolulu, Hawaii, and NPI 1376076018, issued on Apr 10, 2017. Check the license on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Karen Chen
- Credential
- MD, MPHIL
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 287665 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 Pensacola St, Honolulu, HI 96814
- Phone
- (808) 432-2000
- Enumerated
- Apr 10, 2017
- Record last updated
- Mar 23, 2023
- Medicare enrollment
- Enrolled (PECOS I20250211001511); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 128 in Hawaii → Look up another NPI →
Also registered at 1010 Pensacola St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Vanessa Antonio-Ignacio, DOFamily Medicine Physician1629711841
- Ruth Ayala, PTAPhysical Therapy Assistant1417124157
- Kathleen Baker, PTPhysical Therapist1902844236
- Argenita Balinbin, APRN-RX FNP-CFamily Nurse Practitioner1568819811
- Alfredo Baron, PTAPhysical Therapy Assistant1538383476
- Kenneth Baum, MDOphthalmology Physician1871692269
Verify Karen Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical BoardCheck 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% more Medicare Part D claims than the average ophthalmology physician in 2024
1,773 Medicare Part D claims for 496 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Latanoprost389 claims
- Dorzolamide-Timolol334 claims
- Prednisolone Acetate230 claims
- Brimonidine Tartrate179 claims
- Timolol Maleate166 claims
- Diclofenac Sodium115 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: $584.94
10 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Permanente Medical Group IncSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen Chen among 128 ophthalmology physician records in Hawaii
Karen Chen, MD, MPHIL is one of 128 ophthalmology physician records with a practice address in Hawaii. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 97% of them.
- NPI issued2017 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2017 · median 1995 among the 89 with a school on file
- Record last updated2023 · 85% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Hawaii
There are 128 ophthalmology physician records in Hawaii.
All 128 in Hawaii → Every provider in Honolulu → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Kenneth Baum, MDHonolulu, HI 968141871692269
- Douglas Chu, M.D.Honolulu, HI 968141841237443
- Stephen Clason, M.D.Honolulu, HI 968141982661161
- Alan Faulkner, M.D.Honolulu, HI 968141043312887
- Andrew Fong, MDHonolulu, HI 968141316047160
- Tyrie Jenkins, M.D.Honolulu, HI 968141316903610
- Marshall Kim, M.D., PH.D.Honolulu, HI 968141871534883
- Allan Kunimoto, M.D.Honolulu, HI 968141114979762
Common questions
What is Karen Chen, MD, MPHIL's NPI number?
Karen Chen, MD, MPHIL's National Provider Identifier (NPI) is 1376076018, issued on Apr 10, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Karen Chen, MD, MPHIL located?
The NPPES record lists a practice address at 1010 Pensacola St, Honolulu, HI, 96814. Phone: (808) 432-2000. Providers update this record themselves, so call before visiting.
How can I verify Karen Chen, MD, MPHIL's license?
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 Karen Chen, MD, MPHIL prescribe under Medicare Part D?
In 2024, Karen Chen, MD, MPHIL had 1,773 Medicare Part D claims for 496 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.