Doctor profile · Federal record
Dr. Nizar Chahin, M.D.
Neurology Physician (CMS: Neurology) · Portland, OR
- NPI 1225015761
- Accepts Medicare
- MIPS 90.5 / 100 · 2023
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3303 Sw Bond Ave, Suite 8
Portland, OR 972394501
(503) 494-7772
fax (503) 418-3283
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- August 19, 2016
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Oregon #MD176969
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225015761. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
339
Distinct HCPCS
8
Medicare allowed
$31,473
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 110 | 96 | $97 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 80 | 56 | $146 | |
95886 |
Needle measurement of electrical activity in arm or leg muscles, complete study | 55 | 51 | $46 | |
95885 |
Needle measurement of electrical activity in arm or leg muscles, limited study | 31 | 23 | $19 | |
95910 |
Nerve conduction, 7-8 studies | 21 | 21 | $107 | |
95911 |
Nerve conduction, 9-10 studies | 16 | 16 | $134 | |
95886 |
Needle measurement of electrical activity in arm or leg muscles, complete study | 15 | 14 | $46 | |
95909 |
Nerve conduction, 5-6 studies | 11 | 11 | $81 |
In context: peer comparison
Among 38 peers in this city , average services per provider: 266. This provider delivers 1.3× the peer median.Open Payments
Industry payments received
All-time total
$14,537
Transactions
21
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ARGENX US, INC. | 14 | $7,330.20 | |
| Amicus Therapeutics, Inc. | 5 | $4,928.22 | |
| Janssen Scientific Affairs, LLC | 1 | $2,187.50 | |
| Sarepta Therapeutics, Inc. | 1 | $91.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
887
Patients
118
Total drug cost
$4,484,876
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Mycophenolate Mofetil | Generic | 147 | 28 | $16,598 |
| Prednisone | Generic | 111 | 17 | $1,107 |
| Gabapentin | Generic | 93 | 19 | $4,501 |
| Gammagard Liquid (Immun Glob G(Igg)/Gly/Iga Ov50) | Brand | 80 | 0 | $893,831 |
| Pyridostigmine Bromide | Generic | 73 | 17 | $7,528 |
| Riluzole | Generic | 58 | 15 | $9,361 |
| Pregabalin | Generic | 51 | 11 | $955 |
| Azathioprine | Generic | 50 | 0 | $2,786 |
| Methotrexate (Methotrexate Sodium) | Brand | 49 | 11 | $1,356 |
| Firdapse (Amifampridine Phosphate) | Brand | 35 | 0 | $2,091,686 |
Frequently asked questions
What is Dr. Nizar Chahin's medical specialty?
Dr. Nizar Chahin practices Neurology Physician in Portland, OR.
Where does Dr. Nizar Chahin practice?
Dr. Nizar Chahin practices at 3303 Sw Bond Ave, Portland, OR 972394501. Office phone: 5034947772.
What is Dr. Nizar Chahin's NPI?
Dr. Nizar Chahin's National Provider Identifier (NPI) is 1225015761, issued by NPPES.
Does Dr. Nizar Chahin accept Medicare assignment?
Yes. Dr. Nizar Chahin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nizar Chahin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Needle measurement of electrical activity in arm or leg muscles, complete study (HCPCS 95886). Source: CMS Medicare Physician & Other Practitioners file.