Doctor profile · Federal record
Dr. Melissa Vander Wal, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Vallejo, CA
- NPI 1154692804
- Accepts Medicare
- 16 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
975 Sereno Dr
Vallejo, CA 945892441
(707) 651-2440
fax (707) 651-1261
Credentials & registration
- NPI registered
- January 2012 — 14 yrs on file
- Profile last updated
- January 10, 2022
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #113343
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154692804. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
38
Distinct HCPCS
1
Medicare allowed
$3,202
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 38 | 19 | $84 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 138. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
67
Patients
31
Total drug cost
$870
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefpodoxime Proxetil | Generic | 17 | 17 | $350 |
| Doxycycline Monohydrate | Generic | 14 | 14 | $123 |
| Furosemide | Generic | 14 | 0 | $144 |
| Hydralazine Hcl | Generic | 11 | 0 | $118 |
| Metoprolol Succinate | Generic | 11 | 0 | $135 |
Hospital affiliations
Frequently asked questions
What is Dr. Melissa Vander Wal's medical specialty?
Dr. Melissa Vander Wal practices Internal Medicine Physician in Vallejo, CA.
Where does Dr. Melissa Vander Wal practice?
Dr. Melissa Vander Wal practices at 975 Sereno Dr, Vallejo, CA 945892441. Office phone: 7076512440.
What is Dr. Melissa Vander Wal's NPI?
Dr. Melissa Vander Wal's National Provider Identifier (NPI) is 1154692804, issued by NPPES.
Does Dr. Melissa Vander Wal accept Medicare assignment?
Yes. Dr. Melissa Vander Wal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Melissa Vander Wal commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.