Doctor profile · Federal record
Dr. Christopher Gruber, M.D.
Family Medicine Physician (CMS: Family Practice) · Mission Hills, CA
- NPI 1679743405
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
15031 Rinaldi St
Mission Hills, CA 913451207
(818) 639-4333
fax (818) 639-4332 - Mailing address
-
Po Box 188
Oakdale, CA 953610188
Credentials & registration
- NPI registered
- March 2008 — 18 yrs on file
- Profile last updated
- September 30, 2015
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #A99001
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679743405. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
442
Distinct HCPCS
5
Medicare allowed
$53,003
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 188 | 84 | $126 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 121 | 63 | $84 | |
99239 |
Hospital discharge day management, more than 30 minutes | 75 | 74 | $122 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 45 | 43 | $184 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 13 | 13 | $137 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 50. This provider delivers 8.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
151
Patients
39
Total drug cost
$20,292
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 33 | 11 | $19,457 |
| Pantoprazole Sodium | Generic | 18 | 11 | $168 |
| Metoprolol Tartrate | Generic | 17 | 0 | $78 |
| Ondansetron Odt (Ondansetron) | Brand | 17 | 17 | $209 |
| Furosemide | Generic | 16 | 0 | $42 |
| Amlodipine Besylate | Generic | 14 | 0 | $76 |
| Atorvastatin Calcium | Generic | 13 | 0 | $160 |
| Carvedilol | Generic | 12 | 0 | $79 |
| Prednisone | Generic | 11 | 0 | $23 |
Frequently asked questions
What is Dr. Christopher Gruber's medical specialty?
Dr. Christopher Gruber practices Family Medicine Physician in Mission Hills, CA.
Where does Dr. Christopher Gruber practice?
Dr. Christopher Gruber practices at 15031 Rinaldi St, Mission Hills, CA 913451207. Office phone: 8186394333.
What is Dr. Christopher Gruber's NPI?
Dr. Christopher Gruber's National Provider Identifier (NPI) is 1679743405, issued by NPPES.
Does Dr. Christopher Gruber accept Medicare assignment?
Yes. Dr. Christopher Gruber accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Gruber 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.