Doctor profile · Federal record
Dr. Stephen Liao, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Tucson, AZ
- NPI 1548209075
- Accepts Medicare
- 42 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2181 W Orange Grove RD, #185
Tucson, AZ 857413118
(520) 575-5766
fax (520) 575-5593 - Mailing address
-
6241 N Placita de Luis
Tucson, AZ 857182736
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- December 3, 2007
- Year of graduation
- 1984 — 42 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Arizona #24064
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548209075. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
906
Distinct HCPCS
9
Medicare allowed
$81,529
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 393 | 198 | $87 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 143 | 143 | $125 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 138 | 101 | $124 | |
36415 |
Insertion of needle into vein for collection of blood sample | 102 | 82 | $8 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 49 | 45 | $55 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 35 | 30 | $173 | |
99441 |
Telephone medical discussion with physician, 5-10 minutes | 19 | 17 | $54 | |
87811 |
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) | 14 | 14 | $41 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 13 | 13 | $87 |
In context: peer comparison
Among 128 peers in Tucson Internal Medicine Physician, average services per provider: 112. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$164
Transactions
9
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Almatica Pharma LLC | 2 | $41.54 | |
| Radius Health, INC. | 1 | $25.03 | |
| Vivus LLC | 1 | $20.74 | |
| Amneal Pharmaceuticals LLC | 1 | $17.72 | |
| Eisai INC. | 1 | $15.66 | |
| Lilly USA, LLC | 1 | $15.25 | |
| Teva Pharmaceuticals USA, INC. | 1 | $14.51 | |
| AstraZeneca Pharmaceuticals Lp | 1 | $13.89 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,553
Patients
724
Total drug cost
$157,259
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 354 | 95 | $5,439 |
| Atorvastatin Calcium | Generic | 294 | 84 | $3,797 |
| Rosuvastatin Calcium | Generic | 234 | 71 | $3,765 |
| Amlodipine Besylate | Generic | 224 | 63 | $2,160 |
| Losartan Potassium | Generic | 174 | 54 | $2,472 |
| Lisinopril | Generic | 165 | 47 | $1,286 |
| Trazodone Hcl | Generic | 164 | 45 | $2,104 |
| Simvastatin | Generic | 150 | 41 | $1,604 |
| Metoprolol Succinate | Generic | 132 | 31 | $2,156 |
| Pantoprazole Sodium | Generic | 131 | 39 | $2,288 |
Hospital affiliations
Frequently asked questions
What is Dr. Stephen Liao's medical specialty?
Dr. Stephen Liao practices Internal Medicine Physician in Tucson, AZ.
Where does Dr. Stephen Liao practice?
Dr. Stephen Liao practices at 2181 W Orange Grove RD, Tucson, AZ 857413118. Office phone: 5205755766.
What is Dr. Stephen Liao's NPI?
Dr. Stephen Liao's National Provider Identifier (NPI) is 1548209075, issued by NPPES.
Does Dr. Stephen Liao accept Medicare assignment?
Yes. Dr. Stephen Liao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Liao commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.