Doctor profile · Federal record
Dr. Robert Grossman, MD
Obstetrics Physician (CMS: Obstetrics/Gynecology) · Thousand Oaks, CA
- NPI 1053462606
- Accepts Medicare
- 48 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
558 Ventu Park RD Ste A
Thousand Oaks, CA 913202752
(818) 817-9832
fax (818) 817-9835
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- October 23, 2014
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207VX0000X — NUCC code
- State license (1)
- California #G039997
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1053462606. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
622
Distinct HCPCS
6
Medicare allowed
$54,254
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 261 | 243 | $137 | |
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 184 | 184 | $42 | |
96127 |
Assessment of emotional or behavioral problems | 63 | 63 | $5 | |
87210 |
Smear for infectious agents | 45 | 34 | $6 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 41 | 41 | $178 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 24 | $97 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 103. This provider delivers 6.0× the peer median.Open Payments
Industry payments received
All-time total
$65
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Smith+Nephew, Inc. | 1 | $52.11 | |
| MAYNE PHARMA COMMERCIAL LLC | 1 | $12.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
408
Patients
119
Total drug cost
$33,004
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 121 | 38 | $8,199 |
| Progesterone (Progesterone, Micronized) | Brand | 39 | 14 | $1,664 |
| Terconazole | Generic | 39 | 25 | $1,189 |
| Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) | Brand | 28 | 22 | $727 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 28 | 20 | $896 |
| Premarin (Estrogens, Conjugated) | Brand | 28 | 0 | $11,484 |
| Alprazolam | Generic | 21 | 0 | $124 |
| Zolpidem Tartrate | Generic | 20 | 0 | $115 |
| Dotti (Estradiol) | Brand | 16 | 0 | $1,740 |
| Valacyclovir (Valacyclovir Hcl) | Brand | 15 | 0 | $1,255 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Grossman's medical specialty?
Dr. Robert Grossman practices Obstetrics Physician in Thousand Oaks, CA.
Where does Dr. Robert Grossman practice?
Dr. Robert Grossman practices at 558 Ventu Park RD Ste A, Thousand Oaks, CA 913202752. Office phone: 8188179832.
What is Dr. Robert Grossman's NPI?
Dr. Robert Grossman's National Provider Identifier (NPI) is 1053462606, issued by NPPES.
Does Dr. Robert Grossman accept Medicare assignment?
Yes. Dr. Robert Grossman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Grossman commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Assessment of emotional or behavioral problems (HCPCS 96127). Source: CMS Medicare Physician & Other Practitioners file.