Doctor profile · Federal record
Dr. John Marrin, ARNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Registered Nurse · Seattle, WA
- NPI 1861026742
- Accepts Medicare
- 6 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
8720 14Th Ave S
Seattle, WA 981084807
(206) 762-3730 - Mailing address
-
1836 24Th Ave
Seattle, WA 981223057
Credentials & registration
- NPI registered
- February 2020 — 6 yrs on file
- Profile last updated
- June 18, 2020
- Year of graduation
- 2020 — 6 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (2)
- Washington #61077450 · Washington #RN60749075
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1861026742. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
19
Distinct HCPCS
1
Medicare allowed
$181
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
83036 |
Hemoglobin a1c level | 19 | 11 | $10 |
In context: peer comparison
Among 82 peers in this city , average services per provider: 58. This provider delivers 0.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
474
Patients
72
Total drug cost
$60,315
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 106 | 32 | $1,991 |
| Amlodipine Besylate | Generic | 42 | 15 | $282 |
| Levothyroxine Sodium | Generic | 40 | 13 | $767 |
| Jardiance (Empagliflozin) | Brand | 32 | 0 | $50,967 |
| Metformin Hcl | Generic | 30 | 12 | $513 |
| Furosemide | Generic | 27 | 0 | $234 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 27 | 0 | $742 |
| Metoprolol Succinate | Generic | 26 | 0 | $595 |
| Tamsulosin Hcl | Generic | 25 | 0 | $893 |
| Alendronate Sodium | Generic | 23 | 0 | $341 |
Frequently asked questions
What is Dr. John Marrin's medical specialty?
Dr. John Marrin practices Family Nurse Practitioner in Seattle, WA.
Where does Dr. John Marrin practice?
Dr. John Marrin practices at 8720 14Th Ave S, Seattle, WA 981084807. Office phone: 2067623730.
What is Dr. John Marrin's NPI?
Dr. John Marrin's National Provider Identifier (NPI) is 1861026742, issued by NPPES.
Does Dr. John Marrin accept Medicare assignment?
Yes. Dr. John Marrin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Marrin commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.