Doctor profile · Federal record
Dr. Ambooj Tiwari, MD
Vascular Neurology Physician (CMS: Neurology) · Vascular Neurology Physician · Vascular & Interventional Radiology Physician · Vascular & Interventional Radiology Physician · Mission Hills, CA
- NPI 1609198779
- Accepts Medicare
- 21 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
15031 Rinaldi St
Mission Hills, CA 913451207
(818) 365-8051
fax (818) 897-4701 - Additional location
-
2200 Northern Blvd, Suite 207
Greenvale, NY 115481219
(516) 466-1029 - Mailing address
-
1511 3Rd Ave Ste 1000
Seattle, WA 981013637
Credentials & registration
- NPI registered
- February 2010 — 16 yrs on file
- Profile last updated
- August 8, 2025
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 2084V0102X — NUCC code
- State licenses (2)
- New York #276012-1 · New Jersey #25MA09637400
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1609198779. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
53
Distinct HCPCS
2
Medicare allowed
$8,576
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 29 | 23 | $133 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 24 | $196 |
In context: peer comparison
Among 2 peers in this city , average services per provider: 26. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$211
Transactions
8
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Octapharma USA, Inc. | 2 | $74.70 | |
| SK Life Science, Inc. | 3 | $64.06 | |
| Neurocrine Biosciences, Inc. | 1 | $27.75 | |
| PFIZER INC. | 1 | $26.95 | |
| Eisai Inc. | 1 | $17.54 |
By nature of payment
Frequently asked questions
What is Dr. Ambooj Tiwari's medical specialty?
Dr. Ambooj Tiwari practices Vascular Neurology Physician in Mission Hills, CA.
Where does Dr. Ambooj Tiwari practice?
Dr. Ambooj Tiwari practices at 15031 Rinaldi St, Mission Hills, CA 913451207. Office phone: 8183658051.
What is Dr. Ambooj Tiwari's NPI?
Dr. Ambooj Tiwari's National Provider Identifier (NPI) is 1609198779, issued by NPPES.
Does Dr. Ambooj Tiwari accept Medicare assignment?
Yes. Dr. Ambooj Tiwari accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ambooj Tiwari 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). Source: CMS Medicare Physician & Other Practitioners file.