Dr. Mark S. Harrington, MD
- Medicare services, 2020
- 86
- Part D claims, 2024
- 32
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Industry payments
- $14
- Practice address
- 24800 Se Stark Street, Gresham, OR 97030
- Practice phone
- Call (503) 674-1122
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Harrington's professional email, personal email and mobile number
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Dr. Mark S. Harrington is a hospitalist in Gresham, Oregon
Dr. Harrington practices at Legacy Mount Hood Medical Center in Gresham, Oregon, part of Legacy Health.
Dr. Harrington's NPI, 1659346252, was assigned on February 17, 2006. Dr. Harrington graduated from Oregon Health Sciences University School of Medicine in 1996. Dr. Harrington holds Oregon license 20725.
- NPI
- 1659346252NPI Registry (opens in a new tab)
- NPI enumeration date
- February 17, 2006
- NPI status
- Active
- Practice phone
- (503) 674-1122
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark S. Harrington practices at Legacy Mount Hood Medical Center in Gresham, Oregon
Dr. Harrington's primary practice is Legacy Mount Hood Medical Center, at 24800 Se Stark Street, Gresham, OR 97030 in Multnomah County. The practice phone is (503) 674-1122.
- Legacy Mount Hood Medical Center24800 Se Stark Street, Gresham, OR 97030 · Multnomah CountyPhone(503) 674-1122
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark S. Harrington is affiliated with 1 site of care and 2 medical groups
Dr. Harrington's primary practice is Legacy Mount Hood Medical Center in Gresham, Oregon, part of Legacy Health. The medical group on file is Legacy Medical Group-Northwest. Dmand AI also links Dr. Harrington to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark S. Harrington's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Harrington practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Mount Hood Medical Center | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark S. Harrington is one of 456 hospitalists in Oregon
Hospitalist is Dr. Harrington's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Harrington is licensed in Oregon.
Specialties and state licenses
- Hospitalist, OregonPrimary
Hospitalists near Dr. Harrington
Counts of hospitalists 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 S. Harrington billed Medicare for 86 services in 2020
CMS data shows 86 Medicare services from Dr. Harrington across 4 procedure codes in 2020. Medicare paid $6,731 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Harrington's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 2952020: 8671%
Dr. Harrington compared with the Oregon median for hospitalists, 2020
- Dr. Harrington
- Oregon median
- Medicare services
- 86vs 27268% below
- Part D claims
- 39vs 5630% below
Medians across 454 hospitalists in Oregon with Dmand AI profiles that report each measure.
Dr. Harrington's most billed Medicare procedure codes, 2020
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. Harrington and other hospitalists in Oregon.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark S. Harrington's patients have a median age of 44
Across all payers, Dmand AI patient panel data puts Dr. Harrington's median patient age at 44, with 100% women.
Dr. Harrington's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Mark S. Harrington wrote 32 Medicare Part D claims in 2024
In 2024, Dr. Harrington wrote 32 Medicare Part D claims. 91% of them were for generic drugs. They cover 3 drugs, with $293 in total drug cost. In 2019, CMS named 107 claims across 6 drugs.
Dr. Harrington's Part D claims by kind of drug, 2024
- Generic29 claims91%
- Brand-name and other3 claims9%
Dr. Harrington's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1072020: 3964%
Drugs named by CMS: 3 in 2020, 6 in 2019.
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 S. Harrington scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Harrington for performance year 2024, reported through an alternative payment model (APM).
Dr. Harrington's MIPS scores, performance year 2024
- 95of 100Final score
- 77.2of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Mark S. Harrington received $14 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Harrington from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $14.
Companies that paid Dr. Harrington the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark S. Harrington graduated from Oregon Health Sciences University School of Medicine
Dr. Harrington graduated from Oregon Health Sciences University School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Harrington'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)Dmand 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 Data |
| 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 | Clinician Public Reporting: Overall MIPS Performance (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. Mark S. Harrington
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 S. Harrington's NPI number?
Dr. Mark S. Harrington's NPI number is 1659346252. It was assigned on February 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Harrington?
Dr. Mark S. Harrington is a hospitalist in Gresham, Oregon. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Mark S. Harrington practice?
Dr. Harrington practices at 24800 Se Stark Street, Gresham, OR 97030. Dr. Harrington's primary practice is Legacy Mount Hood Medical Center in Gresham, Oregon, part of Legacy Health. Dmand AI also links Dr. Harrington to 1 medical group.
What is Dr. Mark S. Harrington's office phone number?
The practice phone on file for Dr. Harrington is (503) 674-1122.
What is Dr. Mark S. Harrington's medical license number?
Dr. Harrington holds Oregon license 20725.
Which hospitals is Dr. Mark S. Harrington affiliated with?
Dr. Harrington practices at Legacy Mount Hood Medical Center in Gresham, Oregon.
What medical group is Dr. Mark S. Harrington part of?
Dr. Harrington is linked to Legacy Medical Group-Northwest. Dmand AI links Dr. Harrington to 1 more medical group.
Does Dr. Mark S. Harrington accept Medicare?
Yes. CMS data shows Dr. Harrington billed Medicare for 86 services in 2020.
What is Dr. Mark S. Harrington's MIPS score?
Dr. Harrington's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
What services does Dr. Mark S. Harrington bill to Medicare?
In 2020, Dr. Harrington's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Show 4 more questionsShow fewer questions
Where did Dr. Mark S. Harrington go to medical school?
Dr. Harrington graduated from Oregon Health Sciences University School of Medicine in 1996.
What drugs does Dr. Mark S. Harrington prescribe most?
In 2020 Medicare Part D data, Dr. Harrington's most prescribed drugs by claims were Omeprazole, Atorvastatin Calcium and Furosemide.
Has Dr. Mark S. Harrington received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Harrington from 1 company from 2017 to 2017. The largest total came from Gilead Sciences, Inc.
How long has Dr. Mark S. Harrington been practicing?
Dr. Harrington graduated from medical school in 1996, 30 years ago.
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