Doctor profile · Federal record
Dr. Robert Gross, DO
Internal Medicine Physician (CMS: Hospitalist) · Lake Isabella, CA
- NPI 1396827358
- Accepts Medicare
- 28 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
6425 Lynch Canyon Dr
Lake Isabella, CA 932409726
(760) 379-8630
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- June 30, 2008
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A7951
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396827358. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
715
Distinct HCPCS
6
Medicare allowed
$93,226
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 370 | 94 | $120 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 133 | 115 | $175 | |
99239 |
Hospital discharge day management, more than 30 minutes | 116 | 103 | $116 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 55 | 49 | $132 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 27 | 25 | $92 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $160 |
In context: peer comparison
Among 2 peers in Lake Isabella Internal Medicine Physician, average services per provider: 151. This provider delivers 4.7× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,875
Patients
194
Total drug cost
$95,859
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 211 | 20 | $1,425 |
| Eliquis (Apixaban) | Brand | 183 | 16 | $44,681 |
| Gabapentin | Generic | 170 | 20 | $2,567 |
| Furosemide | Generic | 164 | 31 | $741 |
| Potassium Chloride | Generic | 147 | 35 | $2,884 |
| Tradjenta (Linagliptin) | Brand | 147 | 0 | $33,604 |
| Omeprazole | Generic | 139 | 16 | $1,321 |
| Levothyroxine Sodium | Generic | 128 | 11 | $1,082 |
| Tamsulosin Hcl | Generic | 112 | 0 | $2,368 |
| Memantine Hcl | Generic | 90 | 0 | $1,285 |
Frequently asked questions
What is Dr. Robert Gross's medical specialty?
Dr. Robert Gross practices Internal Medicine Physician in Lake Isabella, CA.
Where does Dr. Robert Gross practice?
Dr. Robert Gross practices at 6425 Lynch Canyon Dr, Lake Isabella, CA 932409726. Office phone: 7603798630.
What is Dr. Robert Gross's NPI?
Dr. Robert Gross's National Provider Identifier (NPI) is 1396827358, issued by NPPES.
Does Dr. Robert Gross accept Medicare assignment?
Yes. Dr. Robert Gross accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Gross commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.