Doctor profile · Federal record
Dr. Zachary Annen, ARNP
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Seattle, WA
- NPI 1427480318
- Accepts Medicare
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
325 9Th Ave
Seattle, WA 981042420
(206) 744-3076 - Mailing address
-
Po Box 50095
Seattle, WA 981455095
Credentials & registration
- NPI registered
- August 2013 — 13 yrs on file
- Profile last updated
- March 18, 2014
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State license (1)
- Washington #AP60399118
- Medicaid
- WA #1427480318
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427480318. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
245
Distinct HCPCS
4
Medicare allowed
$12,112
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
51720 |
Instillation of anti-cancer drug into bladder | 142 | 56 | $39 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 49 | 44 | $59 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 32 | $88 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 19 | 18 | $32 |
In context: peer comparison
Among 43 peers in this city , average services per provider: 62. This provider delivers 4.0× the peer median.Open Payments
Industry payments received
All-time total
$269
Transactions
2
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Astellas Pharma Global Development | 2 | $268.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
97
Patients
21
Total drug cost
$13,861
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 46 | 21 | $901 |
| Finasteride | Generic | 23 | 0 | $256 |
| Myrbetriq (Mirabegron) | Brand | 17 | 0 | $12,643 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 11 | 0 | $61 |
Hospital affiliations
Frequently asked questions
What is Dr. Zachary Annen's medical specialty?
Dr. Zachary Annen practices Adult Health Nurse Practitioner in Seattle, WA.
Where does Dr. Zachary Annen practice?
Dr. Zachary Annen practices at 325 9Th Ave, Seattle, WA 981042420. Office phone: 2067443076.
What is Dr. Zachary Annen's NPI?
Dr. Zachary Annen's National Provider Identifier (NPI) is 1427480318, issued by NPPES.
Does Dr. Zachary Annen accept Medicare assignment?
Yes. Dr. Zachary Annen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Annen commonly perform?
Top Medicare-reported procedures in 2023: Instillation of anti-cancer drug into bladder (HCPCS 51720); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.