Doctor profile · Federal record
Dr. Shawn Slack, MD
Rheumatology Physician (CMS: Rheumatology) · Everett, WA
- NPI 1306853239
- Accepts Medicare
- 34 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
3901 Hoyt Ave
Everett, WA 982014918
(425) 259-0966 - Mailing address
-
Po Box 5127
Everett, WA 982065127
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- November 18, 2025
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Washington #MD00032937
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306853239. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,252
Distinct HCPCS
10
Medicare allowed
$72,498
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
80053 |
Blood test, comprehensive group of blood chemicals | 426 | 141 | $10 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 415 | 140 | $7 | |
86140 |
Measurement c-reactive protein for detection of infection or inflammation | 402 | 133 | $5 | |
36415 |
Insertion of needle into vein for collection of blood sample | 351 | 139 | $8 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 347 | 150 | $123 | |
77080 |
Dxa bone density measurement of hip, pelvis, spine | 183 | 183 | $39 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 30 | 26 | $152 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 24 | 16 | $7 | |
84550 |
Uric acid level, blood | 23 | 15 | $4 | |
20610 |
Aspiration and/or injection of fluid from large joint | 19 | 12 | $60 |
In context: peer comparison
Among 4 peers in Everett Rheumatology Physician, average services per provider: 123. This provider delivers 18× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,654
Patients
486
Total drug cost
$875,581
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 431 | 123 | $5,542 |
| Hydroxychloroquine Sulfate | Generic | 334 | 102 | $23,475 |
| Methotrexate (Methotrexate Sodium) | Brand | 273 | 92 | $6,620 |
| Folic Acid | Generic | 97 | 30 | $497 |
| Alendronate Sodium | Generic | 96 | 24 | $1,003 |
| Allopurinol | Generic | 70 | 21 | $1,230 |
| Omeprazole | Generic | 53 | 15 | $1,250 |
| Gabapentin | Generic | 47 | 12 | $982 |
| Methylprednisolone | Generic | 42 | 18 | $741 |
| Mycophenolate Mofetil | Generic | 42 | 14 | $2,926 |
Frequently asked questions
What is Dr. Shawn Slack's medical specialty?
Dr. Shawn Slack practices Rheumatology Physician in Everett, WA.
Where does Dr. Shawn Slack practice?
Dr. Shawn Slack practices at 3901 Hoyt Ave, Everett, WA 982014918. Office phone: 4252590966.
What is Dr. Shawn Slack's NPI?
Dr. Shawn Slack's National Provider Identifier (NPI) is 1306853239, issued by NPPES.
Does Dr. Shawn Slack accept Medicare assignment?
Yes. Dr. Shawn Slack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shawn Slack commonly perform?
Top Medicare-reported procedures in 2023: Blood test, comprehensive group of blood chemicals (HCPCS 80053); Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (HCPCS 85025); Measurement c-reactive protein for detection of infection or inflammation (HCPCS 86140). Source: CMS Medicare Physician & Other Practitioners file.