Dr. Michael Brendan Shannon, MD
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 126
- Part D claims, 2024
- 1,266
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Practice address
- 325 9th Avenue, Seattle, WA 98104
- Practice phone
- Call (206) 744-9535
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Shannon's professional email, personal email and mobile number
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Dr. Michael Brendan Shannon is a nephrologist in Seattle, Washington
Dr. Shannon practices at Harborview Medical Center in Seattle, Washington, part of University of Washington.
Dr. Shannon's NPI, 1538119607, was assigned on May 11, 2006. Dr. Shannon graduated from University of Minnesota Medical School in 2000. Dr. Shannon holds Washington license MD60654692.
- NPI
- 1538119607NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698778934
- NPI enumeration date
- May 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (206) 744-9535
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Brendan Shannon practices at Harborview Medical Center in Seattle, Washington
Dr. Shannon's primary practice is Harborview Medical Center, at 325 9th Avenue, Seattle, WA 98104 in King County. The practice phone is (206) 744-9535.
- Harborview Medical Center325 9th Avenue, Seattle, WA 98104 · King CountyPhone(206) 744-9535
Source: Dmand AI Affiliation Data
Dr. Michael Brendan Shannon is affiliated with 5 sites of care and 1 medical group
Dr. Shannon's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dr. Shannon is also affiliated with UW Medical Center - Montlake. The medical group on file is UW Physicians. Dmand AI also links Dr. Shannon to 1 more hospital and 2 dialysis centers, each 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 Brendan Shannon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Shannon practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harborview Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Brendan Shannon is one of 225 nephrologists in Washington
Nephrology is Dr. Shannon's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Shannon is licensed in Washington.
Specialties and state licenses
- Nephrology, WashingtonPrimary
Nephrologists near Dr. Shannon
Counts of nephrologists 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 Brendan Shannon billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. Shannon across 7 procedure codes in 2024, for 126 Medicare patients. Medicare paid $21,196 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Shannon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1762024: 1845%
- Tests and treatments
- 2023: 792024: 5037%
- Other services
- 2023: 02024: 44
Dr. Shannon compared with the Washington median for nephrologists, 2024
- Dr. Shannon
- Washington median
- Medicare services
- 278vs 70360% below
- Medicare patients
- 126vs 21040% below
- Part D claims
- 993vs 67647% above
Medians across 217 nephrologists in Washington with Dmand AI profiles that report each measure.
Dr. Shannon'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. Shannon and other nephrologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Brendan Shannon treated 126 Medicare patients in 2024, average age 69
CMS counts 126 Medicare patients who saw Dr. Shannon in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 49% are also on Medicaid. Their average risk score is 4.51, 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. Shannon's median patient age at 54, with 47% women.
Dr. Shannon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Shannon's Medicare patients by sex, 2024
- Women4133%
- Men8567%
Chronic conditions among Dr. Shannon's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol71%
- Diabetes57%
- Heart failure45%
- Ischemic heart disease44%
- Mood disorders41%
- Arthritis40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Shannon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Michael Brendan Shannon wrote 1,266 Medicare Part D claims in 2024
In 2024, Dr. Shannon wrote 1,266 Medicare Part D claims for 119 patients. 85% of them were for generic drugs. CMS names the drug for 993 of them, across 33 drugs with 11 or more claims each, at $131,145 in total drug cost. In 2023, CMS named 1,047 claims across 31 drugs.
Dr. Shannon's Part D claims by kind of drug, 2024
- Generic1,076 claims85%
- Brand-name and other190 claims15%
Dr. Shannon'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. Shannon's Part D claims, 2024
- Antibiotics1%15 of 1,266 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: 1,0472024: 9935%
Drugs named by CMS: 33 in 2024, 31 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. Michael Brendan Shannon scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Shannon for performance year 2024, reported through an alternative payment model (APM). Dr. Shannon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Shannon as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Shannon's MIPS scores, performance year 2024
- 94of 100Final score
- 74.6of 100Quality
- 100of 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 Brendan Shannon received $992 in industry payments from 2019 to 2023
CMS Open Payments shows 6 general payments to Dr. Shannon from 5 drug and device companies from 2019 to 2023. Consulting fees make up the largest share, 72% of the total. Otsuka Pharmaceutical Development & Commercialization, Inc. paid the most, $718.
General payments to Dr. Shannon by program year, 2019 to 2023
General payments to Dr. Shannon by kind, 2019 to 2023
- Consulting fees$71872%
- Food and beverage$20621%
- Education$687%
Companies that paid Dr. Shannon the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Brendan Shannon graduated from University of Minnesota Medical School
Dr. Shannon graduated from University of Minnesota Medical School in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Brendan Shannon'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) |
| 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. Michael Brendan Shannon
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 Brendan Shannon's NPI number?
Dr. Michael Brendan Shannon's NPI number is 1538119607. It was assigned on May 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Brendan Shannon?
Dr. Michael Brendan Shannon is a nephrologist in Seattle, Washington. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Michael Brendan Shannon practice?
Dr. Shannon practices at 325 9th Avenue, Seattle, WA 98104. Dr. Shannon's primary practice is Harborview Medical Center in Seattle, Washington, part of University of Washington. Dmand AI also links Dr. Shannon to 1 hospital and 2 dialysis centers.
What is Dr. Michael Brendan Shannon's office phone number?
The practice phone on file for Dr. Shannon is (206) 744-9535.
What is Dr. Michael Brendan Shannon's medical license number?
Dr. Shannon holds Washington license MD60654692.
Which hospitals is Dr. Michael Brendan Shannon affiliated with?
Dr. Shannon practices at Harborview Medical Center in Seattle, Washington. Dr. Shannon is also affiliated with UW Medical Center - Montlake. Dmand AI links Dr. Shannon to 1 more hospital.
What medical group is Dr. Michael Brendan Shannon part of?
Dr. Shannon is linked to UW Physicians.
Does Dr. Michael Brendan Shannon accept Medicare?
Yes. CMS data shows Dr. Shannon billed Medicare for 278 services in 2024, and Dr. Shannon accepts Medicare assignment.
Does Dr. Michael Brendan Shannon offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Shannon as offering telehealth services.
What is Dr. Michael Brendan Shannon's MIPS score?
Dr. Shannon's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
Show 6 more questionsShow fewer questions
How many Medicare patients does Dr. Michael Brendan Shannon see?
CMS counts 126 Medicare patients who saw Dr. Shannon in 2024, with an average age of 69.
What services does Dr. Michael Brendan Shannon bill to Medicare?
In 2024, Dr. Shannon's most billed Medicare services were hospital inpatient care (99233), dialysis (90935) and medicare service (G2211).
Where did Dr. Michael Brendan Shannon go to medical school?
Dr. Shannon graduated from University of Minnesota Medical School in 2000.
What drugs does Dr. Michael Brendan Shannon prescribe most?
In 2024 Medicare Part D data, Dr. Shannon's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Carvedilol.
Has Dr. Michael Brendan Shannon received payments from drug or device companies?
CMS Open Payments shows $992 in general payments to Dr. Shannon from 5 companies from 2019 to 2023. The largest total came from Otsuka Pharmaceutical Development & Commercialization, Inc.
How long has Dr. Michael Brendan Shannon been practicing?
Dr. Shannon graduated from medical school in 2000, 26 years ago.
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