Markell Petersen, SUDP
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2019
- Practice address
- 1044 11th Ave, Longview, WA 98632
- Practice phone
- Call (360) 575-8275
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cowlitz Indian Tribe Health Clinic - Longview (11th Ave)
Tribal Health Clinic · Longview, Washington
Find Markell Petersen'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.
Markell Petersen is an addiction (substance use disorder) counselor in Longview, Washington
Markell Petersen practices at Cowlitz Indian Tribe Health Clinic - Longview (11th Ave) in Longview, Washington.
Markell Petersen's NPI, 1104383645, was assigned on February 20, 2019. Markell Petersen holds Washington license 61146194.
- NPI
- 1104383645NPI Registry (opens in a new tab)
- NPI enumeration date
- February 20, 2019
- NPI status
- Active
- Practice phone
- (360) 575-8275
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Markell Petersen practices at Cowlitz Indian Tribe Health Clinic - Longview (11th Ave) in Longview, Washington
Markell Petersen's primary practice is Cowlitz Indian Tribe Health Clinic - Longview (11th Ave), at 1044 11th Ave, Longview, WA 98632. The practice phone is (360) 575-8275.
- Cowlitz Indian Tribe Health Clinic - Longview (11th Ave)1044 11th Ave, Longview, WA 98632Phone(360) 575-8275
Source: Dmand AI Affiliation Data
Markell Petersen is affiliated with 1 site of care
Markell Petersen's primary practice is Cowlitz Indian Tribe Health Clinic - Longview (11th Ave) in Longview, Washington. Markell Petersen's employer is on file too: a government & correctional health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Markell Petersen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Markell Petersen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cowlitz Indian Tribe Health Clinic - Longview (11th Ave) | Available with a free account |
Source: Dmand AI Technology Install Data
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Markell Petersen is one of 515 addiction (substance use disorder) counselors in Washington
Counselor is Markell Petersen's primary specialty in the NPI Registry, under taxonomy code 101YA0400X. The record also lists addiction (substance use disorder). Markell Petersen is licensed in Washington.
Specialties and state licenses
- Addiction (substance use disorder) counselor, WashingtonPrimary
Addiction (substance use disorder) counselors near Markell Petersen
Counts of addiction (substance use disorder) counselors 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
Markell Petersen's patients have a median age of 38
Across all payers, Dmand AI patient panel data puts Markell Petersen's median patient age at 38, with 26% women.
Markell Petersen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 38
Patient panel by sex, all payers
- Women26%
- Men74%
Source: Dmand AI Patient Panel Data
Sources for Markell Petersen'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 patients and the all-payer patient panel | Dmand AI Patient Panel 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 Markell Petersen
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What is Markell Petersen's NPI number?
Markell Petersen's NPI number is 1104383645. It was assigned on February 20, 2019, and it is active in the NPI Registry.
What does Markell Petersen specialize in?
Markell Petersen is an addiction (substance use disorder) counselor in Longview, Washington. The primary specialty in the NPI Registry is Addiction (Substance Use Disorder) Counselor (taxonomy code 101YA0400X).
Where does Markell Petersen practice?
Markell Petersen practices at 1044 11th Ave, Longview, WA 98632. Markell Petersen's primary practice is Cowlitz Indian Tribe Health Clinic - Longview (11th Ave) in Longview, Washington.
What is Markell Petersen's office phone number?
The practice phone on file for Markell Petersen is (360) 575-8275.
What is Markell Petersen's medical license number?
Markell Petersen holds Washington license 61146194.
How long has Markell Petersen been practicing?
Markell Petersen's NPI was assigned in 2019.
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