Dr. Mark W. Beiter, DO
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 1,042
- Hospital affiliations
- 1
- Medical groups
- 2
- Practice address
- 1100 9th Ave, Seattle, WA 98101
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virginia Mason Medical Center - HOPD
Acute Care Hospital outpatient department · Seattle, Washington
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Dr. Mark W. Beiter is an internist in Seattle, Washington
Dr. Beiter practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Dr. Beiter's NPI, 1740323740, was assigned on February 15, 2007. Dr. Beiter graduated from Arizona College of Osteopathic Medicine Mid Western University in 2005. Dr. Beiter holds Washington license OP00002299.
- NPI
- 1740323740NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4385718824
- NPI enumeration date
- February 15, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark W. Beiter practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Dr. Beiter's primary practice is Virginia Mason Medical Center - HOPD, at 1100 9th Ave, Seattle, WA 98101.
- Virginia Mason Medical Center - HOPD1100 9th Ave, Seattle, WA 98101
Source: Dmand AI Affiliation Data
Dr. Mark W. Beiter is affiliated with 4 sites of care and 2 medical groups
Dr. Beiter's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dr. Beiter is also affiliated with Virginia Mason Medical Center. The medical group on file is Franciscan Orthopedics - Silverdale. Dmand AI also links Dr. Beiter to 1 more hospice, 1 imaging center and 1 medical group, each named with a free account. Dr. Beiter's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Mark W. Beiter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Beiter practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virginia Mason Medical Center - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark W. Beiter is one of 2,689 internists in Washington
Internal medicine is Dr. Beiter's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Beiter is licensed in Washington.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
Internists near Dr. Beiter
Counts of internists 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. Mark W. Beiter billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. Beiter across 3 procedure codes in 2024, all of them office visits, for 102 Medicare patients. Medicare paid $37,211 for them.
Dr. Beiter's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2992024: 2787%
Where Dr. Beiter's Medicare services took place, 2024
- In an office17964%
- In a facility9936%
Dr. Beiter compared with the Washington median for internists, 2024
- Dr. Beiter
- Washington median
- Medicare services
- 278vs 36424% below
- Medicare patients
- 102vs 16538% below
- Part D claims
- 795vs 1824.4 times
Medians across 2,604 internists in Washington with Dmand AI profiles that report each measure.
Dr. Beiter'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Beiter and other internists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark W. Beiter treated 102 Medicare patients in 2024, average age 74
CMS counts 102 Medicare patients who saw Dr. Beiter in 2024. The largest group is 65 to 74, with 45 patients. 66% of them have high blood pressure, and 60% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.78, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Beiter's median patient age at 75, with 69% women.
Dr. Beiter's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Beiter's Medicare patients by sex, 2024
- Women5251%
- Men5049%
Chronic conditions among Dr. Beiter's Medicare patients, 2024
- High blood pressure66%
- High cholesterol60%
- Cancer47%
- Mood disorders42%
- Depression41%
- Arthritis38%
- Anxiety32%
- Ischemic heart disease31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Beiter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark W. Beiter wrote 1,042 Medicare Part D claims in 2024
In 2024, Dr. Beiter wrote 1,042 Medicare Part D claims for 127 patients. 93% of them were for generic drugs. CMS names the drug for 795 of them, across 27 drugs with 11 or more claims each, at $32,347 in total drug cost. In 2023, CMS named 712 claims across 25 drugs.
Dr. Beiter's Part D claims by kind of drug, 2024
- Generic973 claims93%
- Brand-name and other69 claims7%
Dr. Beiter'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. Beiter's Part D claims, 2024
- Opioids39%405 of 1,042 claims
- Antibiotics2%24 of 1,042 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: 7122024: 79512%
Drugs named by CMS: 27 in 2024, 25 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. Mark W. Beiter offers telehealth to Medicare patients
Dr. Beiter accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Beiter as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mark W. Beiter graduated from Arizona College of Osteopathic Medicine Mid Western University
Dr. Beiter graduated from Arizona College of Osteopathic Medicine Mid Western University in 2005.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark W. Beiter'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 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) |
| 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. Mark W. Beiter
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. Mark W. Beiter's NPI number?
Dr. Mark W. Beiter's NPI number is 1740323740. It was assigned on February 15, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark W. Beiter?
Dr. Mark W. Beiter is an internist in Seattle, Washington. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark W. Beiter practice?
Dr. Beiter practices at 1100 9th Ave, Seattle, WA 98101. Dr. Beiter's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Beiter to 1 hospice, 1 imaging center and 1 medical group.
What is Dr. Mark W. Beiter's medical license number?
Dr. Beiter holds Washington license OP00002299.
Which hospitals is Dr. Mark W. Beiter affiliated with?
Dr. Beiter is affiliated with Virginia Mason Medical Center.
What medical group is Dr. Mark W. Beiter part of?
Dr. Beiter is linked to Franciscan Orthopedics - Silverdale. Dmand AI links Dr. Beiter to 1 more medical group.
Does Dr. Mark W. Beiter accept Medicare?
Yes. CMS data shows Dr. Beiter billed Medicare for 278 services in 2024, and Dr. Beiter accepts Medicare assignment.
Does Dr. Mark W. Beiter offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Beiter as offering telehealth services.
How many Medicare patients does Dr. Mark W. Beiter see?
CMS counts 102 Medicare patients who saw Dr. Beiter in 2024, with an average age of 74.
What services does Dr. Mark W. Beiter bill to Medicare?
In 2024, Dr. Beiter's most billed Medicare services were office visit, established patient (99215), office visit, established patient (99214) and office visit, new patient (99205).
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Where did Dr. Mark W. Beiter go to medical school?
Dr. Beiter graduated from Arizona College of Osteopathic Medicine Mid Western University in 2005.
What drugs does Dr. Mark W. Beiter prescribe most?
In 2024 Medicare Part D data, Dr. Beiter's most prescribed drugs by claims were Oxycodone HCl, Gabapentin and Hydromorphone HCl.
How long has Dr. Mark W. Beiter been practicing?
Dr. Beiter graduated from medical school in 2005, 21 years ago.
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