Doctor profile · Federal record
Dr. Aaron Cosman, FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Portland, OR
- NPI 1538558242
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1111 Ne 99Th Ave Ste 301
Portland, OR 972209442
(503) 963-2707
fax (503) 963-2802 - Mailing address
-
541 Ne 20Th Ave Ste 225
Portland, OR 972322895
Credentials & registration
- NPI registered
- January 2015 — 11 yrs on file
- Profile last updated
- December 8, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Oregon #201408265NP-PP · Washington #AP60522742
- Medicaid (2)
- OR #500681135 · WA #2042037
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538558242. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
120
Distinct HCPCS
4
Medicare allowed
$12,859
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 33 | $109 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 34 | 31 | $79 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 31 | 31 | $143 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 20 | 20 | $97 |
In context: peer comparison
Among 97 peers in Portland Family Nurse Practitioner, average services per provider: 1,896. This provider delivers 0.1× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 1 | $25.85 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
408
Patients
152
Total drug cost
$24,044
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 99 | 39 | $1,559 |
| Pantoprazole Sodium | Generic | 92 | 31 | $1,577 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 53 | 52 | $1,097 |
| Famotidine | Generic | 30 | 0 | $2,050 |
| Cholestyramine (Cholestyramine (With Sugar)) | Brand | 24 | 0 | $1,976 |
| Ondansetron Odt (Ondansetron) | Brand | 21 | 13 | $468 |
| Linzess (Linaclotide) | Brand | 20 | 0 | $11,365 |
| Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,Mag Sulfates) | Brand | 17 | 17 | $1,235 |
| Esomeprazole Magnesium | Generic | 15 | 0 | $1,320 |
| Sucralfate | Generic | 14 | 0 | $394 |
Frequently asked questions
What is Dr. Aaron Cosman's medical specialty?
Dr. Aaron Cosman practices Family Nurse Practitioner in Portland, OR.
Where does Dr. Aaron Cosman practice?
Dr. Aaron Cosman practices at 1111 Ne 99Th Ave Ste 301, Portland, OR 972209442. Office phone: 5039632707.
What is Dr. Aaron Cosman's NPI?
Dr. Aaron Cosman's National Provider Identifier (NPI) is 1538558242, issued by NPPES.
Does Dr. Aaron Cosman accept Medicare assignment?
Yes. Dr. Aaron Cosman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aaron Cosman 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 99213); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.