Doctor profile · Federal record
Dr. Maria Ramirez, MD
Hospitalist Physician (CMS: Internal Medicine) · Walnut Creek, CA
- NPI 1558449652
- Accepts Medicare
- 29 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1425 S Main St
Walnut Creek, CA 945965318
(925) 295-4000 - Mailing address
-
1800 Harrison St Fl 7
Oakland, CA 946123466
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- December 13, 2021
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- California #A73370
- Medicaid
- CA #00A733700
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558449652. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
47
Distinct HCPCS
2
Medicare allowed
$4,245
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 36 | 14 | $89 | |
99238 |
Hospital discharge day management, 30 minutes or less | 11 | 11 | $93 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 150. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
50
Patients
0
Total drug cost
$561
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Tartrate | Generic | 15 | 0 | $142 |
| Furosemide | Generic | 13 | 0 | $150 |
| Amlodipine Besylate | Generic | 11 | 0 | $112 |
| Hydralazine Hcl | Generic | 11 | 0 | $157 |
Hospital affiliations
Frequently asked questions
What is Dr. Maria Ramirez's medical specialty?
Dr. Maria Ramirez practices Hospitalist Physician in Walnut Creek, CA.
Where does Dr. Maria Ramirez practice?
Dr. Maria Ramirez practices at 1425 S Main St, Walnut Creek, CA 945965318. Office phone: 9252954000.
What is Dr. Maria Ramirez's NPI?
Dr. Maria Ramirez's National Provider Identifier (NPI) is 1558449652, issued by NPPES.
Does Dr. Maria Ramirez accept Medicare assignment?
Yes. Dr. Maria Ramirez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Ramirez commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.