Stephen J. Markham, DDS
- Part D claims, 2024
- 22
- Industry payments
- $287
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 2
- Practice address
- 720 S 320th St, Federal Way, WA 98003-5254
- Practice phone
- Call (253) 839-5953
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Jonathon Einowski
Dental practice · Federal Way, Washington
Find Stephen Markham'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.
Stephen J. Markham is a dentist in Federal Way, Washington
Stephen Markham practices at Jonathon Einowski in Federal Way, Washington.
Stephen Markham's NPI, 1265420194, was assigned on October 13, 2005. Stephen Markham holds Washington license DE00011088.
- NPI
- 1265420194NPI Registry (opens in a new tab)
- NPI enumeration date
- October 13, 2005
- NPI status
- Active
- Practice phone
- (253) 839-5953
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephen J. Markham practices at Jonathon Einowski in Federal Way, Washington
Stephen Markham's primary practice is Jonathon Einowski, at 720 S 320th St, Federal Way, WA 98003-5254. The practice phone is (253) 839-5953.
- Jonathon Einowski720 S 320th St, Federal Way, WA 98003-5254Phone(253) 839-5953
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Stephen J. Markham is affiliated with 1 site of care and 1 medical group
Stephen Markham's primary practice is Jonathon Einowski in Federal Way, Washington. Dmand AI also links Stephen Markham to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Stephen J. Markham's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Stephen Markham practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jonathon Einowski | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Stephen J. Markham is one of 1,247 dentists in Washington
Dentist is Stephen Markham's primary specialty in the NPI Registry, under taxonomy code 122300000X. Dmand AI has Stephen Markham's licenses on file in 2 states: Washington and New Mexico.
Specialties and state licenses
- Dentist, WashingtonPrimary
- New Mexico license
Dentists near Stephen Markham
Counts of dentists 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
Stephen J. Markham's patients have a median age of 50
Across all payers, Dmand AI patient panel data puts Stephen Markham's median patient age at 50, with 78% women.
Stephen Markham's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women78%
- Men22%
Source: Dmand AI Patient Panel Data
Stephen J. Markham wrote 22 Medicare Part D claims in 2024
In 2024, Stephen Markham wrote 22 Medicare Part D claims for 18 patients. 86% of them were for generic drugs.
Stephen Markham's Part D claims by kind of drug, 2024
- Generic19 claims86%
- Brand-name and other3 claims14%
Drug classes CMS tracks in Stephen Markham's Part D claims, 2024
- Antibiotics77%17 of 22 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Stephen J. Markham received $287 in industry payments in 2025
CMS Open Payments shows 1 general payment to Stephen Markham from 1 drug or device company in 2025. Gifts make up the largest share, 100% of the total. A-dec, Inc. paid the most, $287.
Companies that paid Stephen Markham the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Stephen J. Markham'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Stephen J. Markham
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Stephen J. Markham's NPI number?
Stephen J. Markham's NPI number is 1265420194. It was assigned on October 13, 2005, and it is active in the NPI Registry.
What does Stephen J. Markham specialize in?
Stephen J. Markham is a dentist in Federal Way, Washington. The primary specialty in the NPI Registry is Dentist (taxonomy code 122300000X).
Where does Stephen J. Markham practice?
Stephen Markham practices at 720 S 320th St, Federal Way, WA 98003-5254. Stephen Markham's primary practice is Jonathon Einowski in Federal Way, Washington. Dmand AI also links Stephen Markham to 1 medical group.
What is Stephen J. Markham's office phone number?
The practice phone on file for Stephen Markham is (253) 839-5953.
What is Stephen J. Markham's medical license number?
Stephen Markham holds Washington license DE00011088, one of the licenses on file in 2 states.
Which states has Stephen J. Markham been licensed in?
Dmand AI has state licenses on file for Stephen Markham in Washington and New Mexico.
Has Stephen J. Markham received payments from drug or device companies?
CMS Open Payments shows $287 in general payments to Stephen Markham from 1 company from 2025 to 2025. The largest total came from A-dec, Inc.
How long has Stephen J. Markham been practicing?
Stephen Markham's NPI was assigned in 2005.
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