Doctor profile · Federal record
Dr. Liang-Hsien Hahn, MD PHD
Internal Medicine Physician (CMS: Internal Medicine) · Honolulu, HI
- NPI 1629028212
- Accepts Medicare
- 44 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1631 Liliha Street, Suite 2A
Honolulu, HI 96817
(808) 536-1156
fax (808) 599-7954
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- September 6, 2012
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Hawaii #MD5274
- Medicaid
- HI #01919401
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629028212. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
293
Distinct HCPCS
3
Medicare allowed
$31,850
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 157 | 59 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 87 | 45 | $126 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 49 | 49 | $129 |
In context: peer comparison
Among 114 peers in Honolulu Internal Medicine Physician, average services per provider: 127. This provider delivers 2.3× the peer median.Open Payments
Industry payments received
All-time total
$3,209
Transactions
76
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | 12 | $629.88 | |
| Amgen INC. | 11 | $534.65 | |
| Novo Nordisk INC | 14 | $488.10 | |
| Lilly USA, LLC | 6 | $420.14 | |
| AstraZeneca Pharmaceuticals Lp | 4 | $289.42 | |
| Gilead Sciences, INC. | 8 | $247.74 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 2 | $241.06 | |
| Janssen Pharmaceuticals, INC | 2 | $168.47 | |
| Takeda Pharmaceuticals U.S.A., INC. | 15 | $137.22 | |
| Novartis Pharmaceuticals Corporation | 1 | $26.80 | |
| GlaxoSmithKline, LLC. | 1 | $25.88 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,872
Patients
791
Total drug cost
$484,175
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 602 | 148 | $10,416 |
| Rosuvastatin Calcium | Generic | 388 | 112 | $17,518 |
| Losartan Potassium | Generic | 294 | 73 | $6,069 |
| Amlodipine Besylate | Generic | 205 | 47 | $1,800 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 205 | 56 | $2,685 |
| Jardiance (Empagliflozin) | Brand | 153 | 39 | $214,480 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 138 | 41 | $202,584 |
| Omeprazole | Generic | 132 | 40 | $2,305 |
| Levothyroxine Sodium | Generic | 131 | 34 | $2,526 |
| Metformin Hcl | Generic | 131 | 34 | $1,780 |
Frequently asked questions
What is Dr. Liang-Hsien Hahn's medical specialty?
Dr. Liang-Hsien Hahn practices Internal Medicine Physician in Honolulu, HI.
Where does Dr. Liang-Hsien Hahn practice?
Dr. Liang-Hsien Hahn practices at 1631 Liliha Street, Honolulu, HI 96817. Office phone: 8085361156.
What is Dr. Liang-Hsien Hahn's NPI?
Dr. Liang-Hsien Hahn's National Provider Identifier (NPI) is 1629028212, issued by NPPES.
Does Dr. Liang-Hsien Hahn accept Medicare assignment?
Yes. Dr. Liang-Hsien Hahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Liang-Hsien Hahn commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.