Doctor profile · Federal record
Dr. Leah Grossman, MD
Internal Medicine Physician · Oxnard, CA
- NPI 1710542824
- 7 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1600 N Rose Ave
Oxnard, CA 930303722
(805) 988-2505
Credentials & registration
- NPI registered
- May 2019 — 7 yrs on file
- Profile last updated
- November 24, 2025
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A178486
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1710542824. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
898
Distinct HCPCS
6
Medicare allowed
$106,120
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 493 | 166 | $123 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 191 | 96 | $82 | |
99239 |
Hospital discharge day management, more than 30 minutes | 139 | 133 | $120 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 46 | 44 | $180 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $135 | |
99291 |
Critical care, first 30-74 minutes | 12 | 12 | $204 |
In context: peer comparison
Among 12 peers in Oxnard Internal Medicine Physician, average services per provider: 202. This provider delivers 4.4× the peer median.Open Payments
Industry payments received
All-time total
$123
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Cumberland Pharmaceuticals, INC. | 1 | $122.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
82
Patients
62
Total drug cost
$7,710
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 22 | 18 | $154 |
| Pantoprazole Sodium | Generic | 22 | 20 | $179 |
| Atorvastatin Calcium | Generic | 13 | 12 | $112 |
| Furosemide | Generic | 13 | 12 | $28 |
| Eliquis (Apixaban) | Brand | 12 | 0 | $7,237 |
Frequently asked questions
What is Dr. Leah Grossman's medical specialty?
Dr. Leah Grossman practices Internal Medicine Physician in Oxnard, CA.
Where does Dr. Leah Grossman practice?
Dr. Leah Grossman practices at 1600 N Rose Ave, Oxnard, CA 930303722. Office phone: 8059882505.
What is Dr. Leah Grossman's NPI?
Dr. Leah Grossman's National Provider Identifier (NPI) is 1710542824, issued by NPPES.
What procedures does Dr. Leah Grossman 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.