Physician Profile
Unclaimed ProfileAbout NAGOSHI
Michael Hisashi Nagoshi, M.D. practices internal medicine in Honolulu, HI. According to Medicare claims data, Michael cared for 218 Medicare patients across 227 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (808) 523-8611
- Email not available
Practice Locations
321 N KUAKINI ST SUITE #201
Honolulu, HI 96817
Procedures Most Often Billed to Medicare
227 services · 218 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
191 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
36 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 7 related providers in 1 group
Other internists in Honolulu 7
Same specialty, same city.
Common questions
What kind of doctor is Dr. Nagoshi?
Dr. Nagoshi is an internist in Honolulu, HI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Internal Medicine”.
NPI registry
What is Dr. Nagoshi's address?
Dr. Nagoshi is listed at 321 N KUAKINI ST SUITE #201, Honolulu, HI 96817. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Nagoshi?
The number on file is (808) 523-8611. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Nagoshi's NPI number?
Dr. Nagoshi's National Provider Identifier is 1407945116. 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
How long has Dr. Nagoshi been practicing?
Dr. Nagoshi has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What procedures does Dr. Nagoshi perform?
According to Medicare billing data, Dr. Nagoshi 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
Has Dr. Nagoshi confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nagoshi. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.