Dr. Shawn L. Slack, MD
- Medicare services, 2024
- 2,898
- Medicare patients, 2024
- 328
- Part D claims, 2024
- 2,392
- Industry payments
- $238
- Affiliated sites
- 3
- Practice address
- 3901 Hoyt Avenue, Everett, WA 98201
- Practice phone
- Call (425) 317-3400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optum - Founders
Mammography / Breast Imaging Center · Everett, Washington
Find Dr. Slack's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Shawn L. Slack is a rheumatologist in Everett, Washington
Dr. Slack practices at Optum - Founders in Everett, Washington.
Dr. Slack's NPI, 1306853239, was assigned on August 2, 2006. Dr. Slack graduated from University of Washington School of Medicine in 1992. Dr. Slack holds Washington license 32937.
- NPI
- 1306853239NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557255072
- NPI enumeration date
- August 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (425) 317-3400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Shawn L. Slack practices at Optum - Founders in Everett, Washington
Dr. Slack's primary practice is Optum - Founders, at 3901 Hoyt Avenue, Everett, WA 98201. The practice phone is (425) 317-3400.
- Optum - Founders3901 Hoyt Avenue, Everett, WA 98201Phone(425) 317-3400
Source: Dmand AI Affiliation Data
Dr. Shawn L. Slack is affiliated with 3 sites of care and 2 medical groups
Dr. Slack's primary practice is Optum - Founders in Everett, Washington. The medical group on file is The Everett Clinic. Dmand AI also links Dr. Slack to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Slack's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Shawn L. Slack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Slack practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optum - Founders | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Shawn L. Slack is one of 156 rheumatologists in Washington
Rheumatology is Dr. Slack's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Slack is licensed in Washington.
Specialties and state licenses
- Rheumatology, WashingtonPrimary
Rheumatologists near Dr. Slack
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Shawn L. Slack billed Medicare for 2,898 services in 2024
CMS data shows 2,898 Medicare services from Dr. Slack across 12 procedure codes in 2024, for 328 Medicare patients. Medicare paid $68,330 for them. Every service was in an office.
Dr. Slack's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 1,2662024: 1,3033%
- Drugs given in the office
- 2023: 242024: 5822325%
- Office and hospital visits
- 2023: 4092024: 45912%
- Surgery
- 2023: 3702024: 3844%
- Imaging
- 2023: 1832024: 1707%
Dr. Slack compared with the Washington median for rheumatologists, 2024
- Dr. Slack
- Washington median
- Medicare services
- 2,898vs 7633.8 times
- Medicare patients
- 328vs 20461% above
- Part D claims
- 2,158vs 9282.3 times
Medians across 159 rheumatologists in Washington with Dmand AI profiles that report each measure.
Dr. Slack's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Slack?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Slack and other rheumatologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Shawn L. Slack treated 328 Medicare patients in 2024, average age 73
CMS counts 328 Medicare patients who saw Dr. Slack in 2024. The largest group is 65 to 74, with 188 patients. 63% of them have arthritis, and 60% have high cholesterol. Their average risk score is 1.17, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Slack's median patient age at 73, with 77% women.
Dr. Slack's Medicare patients by age, 2024
Dr. Slack's Medicare patients by sex, 2024
- Women26982%
- Men5918%
Chronic conditions among Dr. Slack's Medicare patients, 2024
- Arthritis63%
- High cholesterol60%
- High blood pressure58%
- Osteoporosis35%
- Mood disorders24%
- Chronic kidney disease23%
- Depression21%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Slack's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Shawn L. Slack wrote 2,392 Medicare Part D claims in 2024
In 2024, Dr. Slack wrote 2,392 Medicare Part D claims for 345 patients. 79% of them were for generic drugs. CMS names the drug for 2,158 of them, across 33 drugs with 11 or more claims each, at $2,243,385 in total drug cost. In 2023, CMS named 1,846 claims across 26 drugs.
Dr. Slack's Part D claims by kind of drug, 2024
- Generic1,890 claims79%
- Brand-name485 claims20%
- Other17 claims1%
Dr. Slack's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Slack's Part D claims, 2024
- Opioids1%12 of 2,392 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,8462024: 2,15817%
Drugs named by CMS: 33 in 2024, 26 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Shawn L. Slack offers telehealth to Medicare patients
Dr. Slack accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Slack as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Shawn L. Slack received $238 in industry payments in 2019
CMS Open Payments shows 3 general payments to Dr. Slack from 3 drug and device companies in 2019. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $125.
Companies that paid Dr. Slack the most, 2019 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Shawn L. Slack graduated from University of Washington School of Medicine
Dr. Slack graduated from University of Washington School of Medicine in 1992.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Shawn L. Slack's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Shawn L. Slack
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Shawn L. Slack's NPI number?
Dr. Shawn L. Slack's NPI number is 1306853239. It was assigned on August 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Shawn L. Slack?
Dr. Shawn L. Slack is a rheumatologist in Everett, Washington. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Shawn L. Slack practice?
Dr. Slack practices at 3901 Hoyt Avenue, Everett, WA 98201. Dr. Slack's primary practice is Optum - Founders in Everett, Washington. Dmand AI also links Dr. Slack to 2 group practices and clinics and 1 medical group.
What is Dr. Shawn L. Slack's office phone number?
The practice phone on file for Dr. Slack is (425) 317-3400.
What is Dr. Shawn L. Slack's medical license number?
Dr. Slack holds Washington license 32937.
What medical group is Dr. Shawn L. Slack part of?
Dr. Slack is linked to The Everett Clinic. Dmand AI links Dr. Slack to 1 more medical group.
Does Dr. Shawn L. Slack accept Medicare?
Yes. CMS data shows Dr. Slack billed Medicare for 2,898 services in 2024, and Dr. Slack accepts Medicare assignment.
Does Dr. Shawn L. Slack offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Slack as offering telehealth services.
How many Medicare patients does Dr. Shawn L. Slack see?
CMS counts 328 Medicare patients who saw Dr. Slack in 2024, with an average age of 73.
What services does Dr. Shawn L. Slack bill to Medicare?
In 2024, Dr. Slack's most billed Medicare services were injected or infused drug (J1010), lab and pathology test (80053) and lab and pathology test (85025).
Show 4 more questionsShow fewer questions
Where did Dr. Shawn L. Slack go to medical school?
Dr. Slack graduated from University of Washington School of Medicine in 1992.
What drugs does Dr. Shawn L. Slack prescribe most?
In 2024 Medicare Part D data, Dr. Slack's most prescribed drugs by claims were Prednisone, Hydroxychloroquine Sulfate and Methotrexate.
Has Dr. Shawn L. Slack received payments from drug or device companies?
CMS Open Payments shows $238 in general payments to Dr. Slack from 3 companies from 2019 to 2019. The largest total came from Pfizer Inc.
How long has Dr. Shawn L. Slack been practicing?
Dr. Slack graduated from medical school in 1992, 34 years ago.
Selling to rheumatology practices?
See rheumatologists in Washington by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card