Dr. Michael Ross Tangum, MD
- Medicare services, 2024
- 253
- Medicare patients, 2024
- 87
- Part D claims, 2024
- 95
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 1015 Nw 22nd Avenue, W121, Portland, OR 97210
- Practice phone
- Call (503) 413-7682
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Michael Ross Tangum is an internist in Portland, Oregon
Dr. Tangum practices at Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health.
Dr. Tangum's NPI, 1497729321, was assigned on February 15, 2006. Dr. Tangum graduated from University of Texas Medical Branch at Galveston in 1996. Dr. Tangum holds Oregon license MD21239.
- NPI
- 1497729321NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890982250
- NPI enumeration date
- February 15, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (503) 413-7682
- 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. Michael Ross Tangum practices at Legacy Good Samaritan Medical Center in Portland, Oregon
Dr. Tangum's primary practice is Legacy Good Samaritan Medical Center, at 1015 Nw 22nd Avenue, W121, Portland, OR 97210 in Multnomah County. The practice phone is (503) 413-7682.
- Legacy Good Samaritan Medical Center1015 Nw 22nd Avenue, W121, Portland, OR 97210 · Multnomah CountyPhone(503) 413-7682
Source: Dmand AI Affiliation Data
Dr. Michael Ross Tangum is affiliated with 1 site of care and 2 medical groups
Dr. Tangum's primary practice is Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health. The medical group on file is Legacy Medical Group-Northwest. Dmand AI also links Dr. Tangum to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael Ross Tangum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tangum practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Legacy Good Samaritan 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. Michael Ross Tangum is one of 1,680 internists in Oregon
Internal medicine is Dr. Tangum's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Tangum is licensed in Oregon.
Specialties and state licenses
- Internal medicine, OregonPrimary
Internists near Dr. Tangum
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. Michael Ross Tangum billed Medicare for 253 services in 2024
CMS data shows 253 Medicare services from Dr. Tangum across 5 procedure codes in 2024, for 87 Medicare patients. Medicare paid $19,898 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Tangum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1552024: 20230%
- Other services
- 2023: 292024: 5176%
Dr. Tangum compared with the Oregon median for internists, 2024
- Dr. Tangum
- Oregon median
- Medicare services
- 253vs 30016% below
- Medicare patients
- 87vs 13234% below
- Part D claims
- 13vs 22294% below
Medians across 1,791 internists in Oregon with Dmand AI profiles that report each measure.
Dr. Tangum'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Ross Tangum treated 87 Medicare patients in 2024, average age 70
CMS counts 87 Medicare patients who saw Dr. Tangum in 2024. The largest group is 65 to 74, with 37 patients. 72% of them have high blood pressure, and 68% have high cholesterol. 41% are also on Medicaid. Their average risk score is 2.14, 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. Tangum's median patient age at 73, with 48% women.
Dr. Tangum's Medicare patients by age, 2024
Dr. Tangum's Medicare patients by sex, 2024
- Women4956%
- Men3844%
Chronic conditions among Dr. Tangum's Medicare patients, 2024
- High blood pressure72%
- High cholesterol68%
- Heart failure48%
- Diabetes43%
- Mood disorders43%
- Anxiety40%
- Ischemic heart disease40%
- Arthritis39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tangum'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
- Women48%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Ross Tangum wrote 95 Medicare Part D claims in 2024
In 2024, Dr. Tangum wrote 95 Medicare Part D claims for 39 patients. 84% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $76 in total drug cost. In 2020, CMS named 104 claims across 6 drugs.
Dr. Tangum's Part D claims by kind of drug, 2024
- Generic80 claims84%
- Brand-name and other15 claims16%
Dr. Tangum's most prescribed drugs by claims, 2021
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. Tangum's Part D claims, 2024
- Antibiotics12%11 of 95 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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 1042021: 1388%
Drugs named by CMS: 1 in 2021, 6 in 2020.
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. Michael Ross Tangum 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. Tangum for performance year 2024, reported through an alternative payment model (APM). Dr. Tangum accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Tangum'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.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Michael Ross Tangum graduated from University of Texas Medical Branch at Galveston
Dr. Tangum graduated from University of Texas Medical Branch at Galveston in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Ross Tangum'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)Clinician Public Reporting: Overall MIPS Performance (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. Michael Ross Tangum
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. Michael Ross Tangum's NPI number?
Dr. Michael Ross Tangum's NPI number is 1497729321. It was assigned on February 15, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Ross Tangum?
Dr. Michael Ross Tangum is an internist in Portland, Oregon. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Ross Tangum practice?
Dr. Tangum practices at 1015 Nw 22nd Avenue, W121, Portland, OR 97210. Dr. Tangum's primary practice is Legacy Good Samaritan Medical Center in Portland, Oregon, part of Legacy Health. Dmand AI also links Dr. Tangum to 1 medical group.
What is Dr. Michael Ross Tangum's office phone number?
The practice phone on file for Dr. Tangum is (503) 413-7682.
What is Dr. Michael Ross Tangum's medical license number?
Dr. Tangum holds Oregon license MD21239.
Which hospitals is Dr. Michael Ross Tangum affiliated with?
Dr. Tangum practices at Legacy Good Samaritan Medical Center in Portland, Oregon.
What medical group is Dr. Michael Ross Tangum part of?
Dr. Tangum is linked to Legacy Medical Group-Northwest. Dmand AI links Dr. Tangum to 1 more medical group.
Does Dr. Michael Ross Tangum accept Medicare?
Yes. CMS data shows Dr. Tangum billed Medicare for 253 services in 2024, and Dr. Tangum accepts Medicare assignment.
What is Dr. Michael Ross Tangum's MIPS score?
Dr. Tangum's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Michael Ross Tangum see?
CMS counts 87 Medicare patients who saw Dr. Tangum in 2024, with an average age of 70.
Show 4 more questionsShow fewer questions
What services does Dr. Michael Ross Tangum bill to Medicare?
In 2024, Dr. Tangum's most billed Medicare services were hospital inpatient care (99233), medicare service (G0316) and hospital inpatient care (99239).
Where did Dr. Michael Ross Tangum go to medical school?
Dr. Tangum graduated from University of Texas Medical Branch at Galveston in 1996.
What drugs does Dr. Michael Ross Tangum prescribe most?
In 2021 Medicare Part D data, Dr. Tangum's most prescribed drugs by claims were Triamcinolone Acetonide.
How long has Dr. Michael Ross Tangum been practicing?
Dr. Tangum graduated from medical school in 1996, 30 years ago.
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