Doctor profile · Federal record
Dr. Rahel Ruiz
Internal Medicine Physician (CMS: Internal Medicine) · Castro Valley, CA
- NPI 1821089129
- Accepts Medicare
- 30 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
18675 Buren Pl
Castro Valley, CA 945525281
(510) 881-2192
fax (510) 363-8642 - Mailing address
-
3300 Webster St, Ste 1000
Oakland, CA 946093125
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- December 24, 2019
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A64304
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821089129. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
846
Distinct HCPCS
10
Medicare allowed
$105,397
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 324 | 188 | $153 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 155 | 118 | $108 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 108 | 108 | $157 | |
G0008 |
Administration of influenza virus vaccine | 64 | 64 | $37 | |
90662 |
Influenza vaccine split virus, preservative free | 63 | 63 | $72 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 36 | 29 | $214 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 19 | 18 | $18 | |
G0180 |
Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and | 19 | 13 | $64 | |
81002 |
Urinalysis, manual test | 16 | 14 | $3 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 16 | 16 | $109 |
In context: peer comparison
Among 12 peers in Castro Valley Internal Medicine Physician, average services per provider: 154. This provider delivers 5.5× the peer median.Open Payments
Industry payments received
All-time total
$185
Transactions
7
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma US INC | 2 | $68.23 | |
| Novo Nordisk INC | 2 | $41.84 | |
| Pfizer INC. | 1 | $32.48 | |
| Exact Sciences Corporation | 1 | $25.96 | |
| Genzyme Corporation | 1 | $16.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,474
Patients
460
Total drug cost
$68,764
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 266 | 89 | $3,478 |
| Amlodipine Besylate | Generic | 265 | 74 | $2,387 |
| Losartan Potassium | Generic | 151 | 39 | $1,956 |
| Levothyroxine Sodium | Generic | 130 | 35 | $2,582 |
| Metformin Hcl | Generic | 96 | 31 | $1,009 |
| Lisinopril | Generic | 91 | 28 | $874 |
| Gabapentin | Generic | 85 | 24 | $1,678 |
| Pantoprazole Sodium | Generic | 68 | 24 | $1,283 |
| Metoprolol Succinate | Generic | 62 | 16 | $1,152 |
| Hydrochlorothiazide | Generic | 49 | 18 | $252 |
Frequently asked questions
What is Dr. Rahel Ruiz's medical specialty?
Dr. Rahel Ruiz practices Internal Medicine Physician in Castro Valley, CA.
Where does Dr. Rahel Ruiz practice?
Dr. Rahel Ruiz practices at 18675 Buren Pl, Castro Valley, CA 945525281. Office phone: 5108812192.
What is Dr. Rahel Ruiz's NPI?
Dr. Rahel Ruiz's National Provider Identifier (NPI) is 1821089129, issued by NPPES.
Does Dr. Rahel Ruiz accept Medicare assignment?
Yes. Dr. Rahel Ruiz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rahel Ruiz 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); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.