Serena H. Y. Lo, MD
Geriatric Medicine (Internal Medicine) Physician · Honolulu, HI
Serena H. Y. Lo, MD is a geriatric medicine (internal medicine) physician with a practice address in Honolulu, Hawaii, and NPI 1487798138, issued on Feb 16, 2007. Check the license (Hawaii MD-16621, as entered in NPPES) on the Hawaii Medical Board; the Medicare figures below come from public CMS files.
- Name
- Serena H. Y. Lo
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- MD-16621 HI
MD60095145 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1010 Pensacola St, Honolulu, HI 96814
- Phone
- (808) 432-8000
- Enumerated
- Feb 16, 2007
- Record last updated
- May 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (808) 432-2505
- Medicare enrollment
- Enrolled (PECOS I20120907000267); accepts Medicare assignment
- Medical or professional school
- University Of Hawaii John A. Burns School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 50 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 Serena H. Y. Lo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersHawaii Medical Board
Search for license MD-16621Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
2,267 Medicare Part D claims for 504 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.
Most prescribed
- Escitalopram Oxalate399 claims
- Mirtazapine301 claims
- Memantine Hcl236 claims
- Quetiapine Fumarate180 claims
- Trazodone Hcl162 claims
- Divalproex Sodium151 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
- Hawaii Permanente Medical Group IncHonolulu, HI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Serena H. Y. Lo among 50 geriatric medicine (internal medicine) physician records in Hawaii
Serena H. Y. Lo, MD is one of 50 geriatric medicine (internal medicine) physician records with a practice address in Hawaii. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 32% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2006 · median 2004 among the 25 with a school on file
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Hawaii
There are 50 geriatric medicine (internal medicine) physician records in Hawaii.
All 50 in Hawaii → Every provider in Honolulu → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Megan Chock, MDHonolulu, HI 968141932587060
- Alia Khoja, M.DHonolulu, HI 968141710365879
- Liane Tokushige Pang, MDHonolulu, HI 968141467582718
- Warren Wong, MDHonolulu, HI 968141578609798
- Samina Ahsan, M.D.Honolulu, HI 968131316137045
- Brita Aramaki, M.D., M.P.H.Honolulu, HI 968131063707420
- Jessica Barry, M.D.Honolulu, HI 968131285832527
- Jeremy Chun, M.D.Honolulu, HI 968131598873465
Common questions
What is Serena H. Y. Lo, MD's NPI number?
Serena H. Y. Lo, MD's National Provider Identifier (NPI) is 1487798138, issued on Feb 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Serena H. Y. Lo, MD located?
The NPPES record lists a practice address at 1010 Pensacola St, Honolulu, HI, 96814. Phone: (808) 432-8000. Providers update this record themselves, so call before visiting.
How can I verify Serena H. Y. Lo, MD's license?
NPPES lists Hawaii license number MD-16621, 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 Serena H. Y. Lo, MD prescribe under Medicare Part D?
In 2024, Serena H. Y. Lo, MD had 2,267 Medicare Part D claims for 504 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.