Physician Profile
Unclaimed ProfileAbout TAN
Thomas Ka Shun Tan, MD practices internal medicine in Honolulu, HI. Thomas is a 1994 graduate of University of Hawaii John A. Burns School of Medicine. According to Medicare claims data, Thomas cared for 1,035 Medicare patients across 2,619 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (808) 536-9326
- Email not available
Practice Locations
2228 LILIHA ST SUITE #103
Honolulu, HI 96817
Procedures Most Often Billed to Medicare
2,619 services · 1,035 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
48 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
23 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
898 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
744 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
479 |
| Advance care planning, first 30 minutes | Office visit | 99497 |
189 |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
175 |
| Administration of influenza virus vaccine | Billing code | G0008 |
47 |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
16 |
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 internal medicines at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
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 — 27 related providers in 4 groups
Other internal medicines in Honolulu 8
Same specialty, same city.
Trained at University of Hawaii John A. Burns School of Medicine 4
Other providers in the same specialty who trained at the same institution.
Class of 1994 at University of Hawaii John A. Burns School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage 7
Providers in HI who bill this service to Medicare most often.
Common questions
What does Dr. Tan specialize in?
Dr. Tan is an internal medicine in Honolulu, HI. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where is Dr. Tan located?
Dr. Tan is listed at 2228 LILIHA ST SUITE #103, Honolulu, HI 96817. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Tan's phone number?
The number on file is (808) 536-9326. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Tan's NPI number?
Dr. Tan's National Provider Identifier is 1447328620. 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
Where did Dr. Tan go to medical school?
Dr. Tan attended University of Hawaii John A. Burns School of Medicine, graduating in 1994. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Tan been practicing?
Dr. Tan has 32 years experience. Calculated from a graduation year of 1994, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Tan do most often?
According to Medicare billing data, Dr. Tan provides treatments such as influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Tan confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Tan. 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.