Doctor profile · Federal record
Dr. Ru Cai, MD
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Sacramento, CA
- NPI 1134230220
- Accepts Medicare
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2315 Stockton Blvd, Main Hospital
Sacramento, CA 95817
(916) 734-7506
fax (916) 734-4810 - Mailing address
-
4150 V St, Ste 3400 University of California Davis School of Medic
Sacramento, CA 95817
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- September 11, 2025
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A83360
- Medicaid
- CA #A833600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134230220. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
339
Distinct HCPCS
4
Medicare allowed
$37,129
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 140 | 60 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 133 | 60 | $82 | |
99239 |
Hospital discharge day management, more than 30 minutes | 50 | 50 | $120 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 16 | 16 | $180 |
In context: peer comparison
Among 123 peers in this city , average services per provider: 116. This provider delivers 2.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
78
Patients
0
Total drug cost
$7,398
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Diphenhydramine Hcl | Generic | 39 | 0 | $3,070 |
| Sodium Chloride (0.9 % Sodium Chloride) | Brand | 25 | 0 | $3,673 |
| Promethazine Hcl | Generic | 14 | 0 | $655 |
Hospital affiliations
Frequently asked questions
What is Dr. Ru Cai's medical specialty?
Dr. Ru Cai practices Internal Medicine Physician in Sacramento, CA.
Where does Dr. Ru Cai practice?
Dr. Ru Cai practices at 2315 Stockton Blvd, Sacramento, CA 95817. Office phone: 9167347506.
What is Dr. Ru Cai's NPI?
Dr. Ru Cai's National Provider Identifier (NPI) is 1134230220, issued by NPPES.
Does Dr. Ru Cai accept Medicare assignment?
Yes. Dr. Ru Cai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ru Cai commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.