Doctor profile · Federal record
Dr. Nasser Liasi, MD
Internal Medicine Physician (CMS: Internal Medicine) · Fontana, CA
- NPI 1144466780
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
8110 Mango Ave
Fontana, CA 923353603
(909) 427-1303 - Additional location
-
2 West Fern Avenue
Redlands, CA 923735916
(909) 793-3311 - Mailing address
-
Po Box 12209
San Bernardino, CA 924232209
Credentials & registration
- NPI registered
- January 2009 — 17 yrs on file
- Profile last updated
- October 4, 2018
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A115058
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144466780. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
191
Distinct HCPCS
3
Medicare allowed
$17,832
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 117 | 65 | $99 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 56 | 50 | $67 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $136 |
In context: peer comparison
Among 18 peers in this city , average services per provider: 61. This provider delivers 3.1× the peer median.Open Payments
Industry payments received
All-time total
$33
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Agios Pharmaceuticals, Inc. | 2 | $33.06 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
709
Patients
287
Total drug cost
$86,764
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 119 | 46 | $3,355 |
| Amlodipine Besylate | Generic | 72 | 35 | $1,182 |
| Metformin Hcl | Generic | 69 | 22 | $620 |
| Lisinopril | Generic | 62 | 29 | $897 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 50 | 14 | $1,972 |
| Gabapentin | Generic | 47 | 24 | $769 |
| Pantoprazole Sodium | Generic | 44 | 18 | $1,139 |
| Levothyroxine Sodium | Generic | 37 | 15 | $751 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 34 | 11 | $789 |
| Jardiance (Empagliflozin) | Brand | 32 | 14 | $44,861 |
Frequently asked questions
What is Dr. Nasser Liasi's medical specialty?
Dr. Nasser Liasi practices Internal Medicine Physician in Fontana, CA.
Where does Dr. Nasser Liasi practice?
Dr. Nasser Liasi practices at 8110 Mango Ave, Fontana, CA 923353603. Office phone: 9094271303.
What is Dr. Nasser Liasi's NPI?
Dr. Nasser Liasi's National Provider Identifier (NPI) is 1144466780, issued by NPPES.
Does Dr. Nasser Liasi accept Medicare assignment?
Yes. Dr. Nasser Liasi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nasser Liasi commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.