Are you Grant L. Chen, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileGrant L. Chen, M.D. practices internal medicine in Honolulu, HI. Grant is a 2004 graduate of University of Hawaii John A. Burns School of Medicine. According to Medicare claims data, Grant cared for 231 Medicare patients across 883 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, hospital discharge day management, more than 30 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. The provider's National Provider Identifier (NPI) is 1962536946.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1301 PUNCHBOWL ST
Honolulu, HI 96813
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
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Brain and nerves
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Digestive
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Heart & Circulation
Heart health
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Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
883 services · 231 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
743 | More than most peers in Internal Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
77 | As often as other peers in Internal Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
63 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Grant L. Chen is an internist in Honolulu, HI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Grant L. Chen is listed at 1301 Punchbowl St, Honolulu, HI 96813. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (808) 691-1000. Contact the office directly to confirm availability and scheduling.
NPI registry
Grant L. Chen's National Provider Identifier is 1962536946. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Grant L. Chen attended University of Hawaii John A. Burns School of Medicine, graduating in 2004. This comes from the CMS National Downloadable File.
CMS public data
Grant L. Chen has 22 years experience. Calculated from a graduation year of 2004, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Grant L. Chen the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Grant L. Chen. If this is you, claiming it is free.
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