Doctor profile · Federal record
Dr. Mark Liang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Fremont, CA
- NPI 1578889416
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
46690 Mohave Dr
Fremont, CA 945397001
(510) 248-1065
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- April 13, 2022
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A119336
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578889416. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,336
Distinct HCPCS
9
Medicare allowed
$207,258
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 467 | 262 | $150 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 320 | 217 | $210 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 274 | 186 | $149 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 76 | 76 | $153 | |
G0008 |
Administration of influenza virus vaccine | 62 | 62 | $36 | |
90662 |
Influenza vaccine split virus, preservative free | 60 | 60 | $72 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 33 | 29 | $107 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $195 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 12 | $107 |
In context: peer comparison
Among 29 peers in this city , average services per provider: 129. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
2,924
Patients
890
Total drug cost
$51,338
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 721 | 213 | $9,831 |
| Amlodipine Besylate | Generic | 472 | 149 | $5,678 |
| Losartan Potassium | Generic | 304 | 92 | $4,909 |
| Rosuvastatin Calcium | Generic | 298 | 99 | $10,128 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 189 | 55 | $2,974 |
| Levothyroxine Sodium | Generic | 176 | 51 | $2,613 |
| Olmesartan Medoxomil | Generic | 128 | 40 | $4,465 |
| Simvastatin | Generic | 116 | 33 | $1,508 |
| Lisinopril | Generic | 114 | 34 | $1,101 |
| Famotidine | Generic | 88 | 29 | $1,118 |
Frequently asked questions
What is Dr. Mark Liang's medical specialty?
Dr. Mark Liang practices Internal Medicine Physician in Fremont, CA.
Where does Dr. Mark Liang practice?
Dr. Mark Liang practices at 46690 Mohave Dr, Fremont, CA 945397001. Office phone: 5102481065.
What is Dr. Mark Liang's NPI?
Dr. Mark Liang's National Provider Identifier (NPI) is 1578889416, issued by NPPES.
Does Dr. Mark Liang accept Medicare assignment?
Yes. Dr. Mark Liang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Liang 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 99215); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.