Doctor profile · Federal record
Dr. Ryan Shilian, DO
Allergy & Immunology (Internal Medicine) Physician (CMS: Internal Medicine) · Internal Medicine Physician · Encino, CA
- NPI 1598144032
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
16661 Ventura Blvd Ste 409
Encino, CA 914361962
(818) 514-3544
fax (818) 578-0298 - Additional location
-
2412 N Ponderosa Dr Ste B111
Camarillo, CA 930102379
(805) 482-9889 - Additional location
-
27100 Chardon RD
Richmond Heights, OH 441431116
(440) 585-6323
Credentials & registration
- NPI registered
- May 2015 — 11 yrs on file
- Profile last updated
- September 14, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RA0201X — NUCC code
- State licenses (2)
- California #34.013552 · Ohio #34.013552
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598144032. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
273
Distinct HCPCS
6
Medicare allowed
$34,421
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 127 | 55 | $83 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 79 | 73 | $183 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 22 | 22 | $137 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 19 | 11 | $139 | |
99239 |
Hospital discharge day management, more than 30 minutes | 15 | 15 | $121 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 11 | 11 | $180 |
In context: peer comparison
Among 1 peers in Encino Allergy & Immunology (Internal Medicine) Physician, average services per provider: 45. This provider delivers 6.1× the peer median.Open Payments
Industry payments received
All-time total
$313
Transactions
7
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Regeneron Healthcare Solutions, INC. | 2 | $153.07 | |
| Novartis Pharmaceuticals Corporation | 1 | $55.23 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $30.85 | |
| Octapharma USA, INC. | 1 | $29.05 | |
| Genzyme Corporation | 1 | $24.91 | |
| Phadia US INC. | 1 | $20.28 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
42
Patients
14
Total drug cost
$748
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 26 | 14 | $488 |
| Famotidine | Generic | 16 | 0 | $261 |
Hospital affiliations
Frequently asked questions
What is Dr. Ryan Shilian's medical specialty?
Dr. Ryan Shilian practices Allergy & Immunology (Internal Medicine) Physician in Encino, CA.
Where does Dr. Ryan Shilian practice?
Dr. Ryan Shilian practices at 16661 Ventura Blvd Ste 409, Encino, CA 914361962. Office phone: 8185143544.
What is Dr. Ryan Shilian's NPI?
Dr. Ryan Shilian's National Provider Identifier (NPI) is 1598144032, issued by NPPES.
Does Dr. Ryan Shilian accept Medicare assignment?
Yes. Dr. Ryan Shilian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ryan Shilian commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.