Doctor profile · Federal record
Dr. Wengang Zhang, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Pittsburg, CA
- NPI 1063451243
- Accepts Medicare
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2220 Gladstone Dr, Suite 3
Pittsburg, CA 945655123
(925) 432-3318
fax (925) 432-4590
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- August 1, 2008
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A65147
- Medicaid
- CA #00A651470
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1063451243. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,376
Distinct HCPCS
10
Medicare allowed
$287,346
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99308 |
Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes | 490 | 66 | $86 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 401 | 201 | $153 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 374 | 67 | $124 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 328 | 90 | $134 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 306 | 37 | $74 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 74 | 61 | $209 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 67 | 67 | $156 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 56 | 49 | $196 | |
G0008 |
Administration of influenza virus vaccine | 39 | 39 | $37 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 36 | 36 | $197 |
In context: peer comparison
Among 4 peers in Pittsburg Internal Medicine Physician, average services per provider: 123. This provider delivers 19× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
3,210
Patients
875
Total drug cost
$49,436
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 456 | 140 | $7,420 |
| Amlodipine Besylate | Generic | 329 | 104 | $3,673 |
| Metformin Hcl | Generic | 242 | 79 | $2,857 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 239 | 61 | $6,224 |
| Tamsulosin Hcl | Generic | 231 | 52 | $5,106 |
| Levothyroxine Sodium | Generic | 216 | 61 | $3,809 |
| Furosemide | Generic | 215 | 49 | $1,325 |
| Gabapentin | Generic | 205 | 45 | $4,596 |
| Lisinopril | Generic | 194 | 62 | $2,241 |
| Metoprolol Succinate | Generic | 169 | 55 | $2,618 |
Hospital affiliations
Frequently asked questions
What is Dr. Wengang Zhang's medical specialty?
Dr. Wengang Zhang practices Internal Medicine Physician in Pittsburg, CA.
Where does Dr. Wengang Zhang practice?
Dr. Wengang Zhang practices at 2220 Gladstone Dr, Pittsburg, CA 945655123. Office phone: 9254323318.
What is Dr. Wengang Zhang's NPI?
Dr. Wengang Zhang's National Provider Identifier (NPI) is 1063451243, issued by NPPES.
Does Dr. Wengang Zhang accept Medicare assignment?
Yes. Dr. Wengang Zhang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Wengang Zhang commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Established patient office or other outpatient visit (HCPCS 99214); Subsequent nursing facility care with moderate level of medical decision making (HCPCS 99309). Source: CMS Medicare Physician & Other Practitioners file.