Doctor profile · Federal record
Dr. Tamara Dahhan, D.O.
Rheumatology Physician (CMS: Rheumatology) · Student in an Organized Health Care Education/Training Program · Sylmar, CA
- NPI 1093074627
- Accepts Medicare
- MIPS 84.9 / 100 · 2023
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
14445 Olive View Dr, Department of Medicine (2B-182)
Sylmar, CA 913421437
(818) 364-3205 - Additional location
-
19950 Rinaldi St Ste 300
Porter Ranch, CA 913264141
(818) 271-2400 - Mailing address
-
5767 W Century Blvd Ste 400
Los Angeles, CA 900455631
Credentials & registration
- NPI registered
- May 2012 — 14 yrs on file
- Profile last updated
- August 1, 2018
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- California #20A13140
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093074627. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
948
Distinct HCPCS
10
Medicare allowed
$104,298
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 529 | 210 | $140 | |
J3301 |
Injection, triamcinolone acetonide, not otherwise specified, 10 mg | 136 | 30 | $1 | |
20610 |
Aspiration and/or injection of fluid from large joint | 58 | 26 | $81 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 55 | 38 | $196 | |
96372 |
Injection of drug or substance under skin or into muscle | 42 | 29 | $16 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 38 | 35 | $98 | |
20600 |
Aspiration and/or injection of fluid from small joint | 34 | 22 | $50 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 21 | 21 | $241 | |
90662 |
Influenza vaccine split virus, preservative free | 12 | 12 | $72 | |
G0008 |
Administration of influenza virus vaccine | 12 | 12 | $34 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 86. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$37
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 1 | $36.60 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,066
Patients
314
Total drug cost
$255,812
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 198 | 58 | $3,112 |
| Methotrexate (Methotrexate Sodium) | Brand | 153 | 45 | $7,653 |
| Hydroxychloroquine Sulfate | Generic | 144 | 45 | $10,010 |
| Gabapentin | Generic | 109 | 40 | $1,494 |
| Diclofenac Sodium | Generic | 61 | 17 | $1,592 |
| Duloxetine Hcl | Generic | 54 | 12 | $1,325 |
| Leflunomide | Generic | 51 | 16 | $5,394 |
| Allopurinol | Generic | 49 | 13 | $698 |
| Pregabalin | Generic | 49 | 14 | $1,350 |
| Tramadol Hcl | Generic | 40 | 0 | $213 |
Hospital affiliations
Frequently asked questions
What is Dr. Tamara Dahhan's medical specialty?
Dr. Tamara Dahhan practices Rheumatology Physician in Sylmar, CA.
Where does Dr. Tamara Dahhan practice?
Dr. Tamara Dahhan practices at 14445 Olive View Dr, Sylmar, CA 913421437. Office phone: 8183643205.
What is Dr. Tamara Dahhan's NPI?
Dr. Tamara Dahhan's National Provider Identifier (NPI) is 1093074627, issued by NPPES.
Does Dr. Tamara Dahhan accept Medicare assignment?
Yes. Dr. Tamara Dahhan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tamara Dahhan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Aspiration and/or injection of fluid from large joint (HCPCS 20610). Source: CMS Medicare Physician & Other Practitioners file.