J Cardiothorac Vasc Anesth
Atrial FibrillationHeart AtriaHeart Neoplasms
Dr. Matthew S. Subramani, MD
NPI1215323324PAC ID1153676317
- Medicare services, 2024
- 4,742
- Medicare patients, 2024
- 1,660
- Part D claims, 2024
- 4,990
- Publications
- 1
- Hospital affiliations
- 4
- 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
Find Dr. Subramani's professional email, personal email and mobile number
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Dr. Matthew S. Subramani is a cardiologist in Seattle, Washington
Dr. Subramani practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Dr. Subramani's NPI, 1215323324, was assigned on April 15, 2015. Dr. Subramani holds Washington license MD61248984.
NPI and contact details
- NPI
- 1215323324NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153676317
- NPI enumeration date
- April 15, 2015
- 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
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew S. Subramani practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Dr. Subramani'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. Matthew S. Subramani is affiliated with 7 sites of care and 1 medical group
Dr. Subramani's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dr. Subramani is also affiliated with Virginia Mason Medical Center. The medical group on file is Virginia Mason Medical Center. Dmand AI also links Dr. Subramani to 3 more hospitals, 1 group practice or clinic and 1 imaging center, each named with a free account. Dr. Subramani's employer is on file too: a hospital.
Virginia Mason Medical Center - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew S. Subramani's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Subramani practices, 7 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 |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew S. Subramani is one of 416 cardiologists in Washington
Cardiovascular disease is Dr. Subramani's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Dr. Subramani's licenses on file in 2 states: Washington and Wisconsin.
Specialties and state licenses
- Cardiovascular disease, WashingtonPrimary
- Internal medicine, Wisconsin
Cardiologists near Dr. Subramani
Counts of cardiologists 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. Matthew S. Subramani billed Medicare for 4,742 services in 2024
CMS data shows 4,742 Medicare services from Dr. Subramani across 32 procedure codes in 2024, for 1,660 Medicare patients. Medicare paid $221,903 for them.
Medicare services, 20244,742
Medicare patients1,660
Paid by Medicare$221,903
Procedure codes32
Dr. Subramani's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,1432024: 2,2676%
- Office and hospital visits
- 2023: 1,2712024: 1,1658%
- Other services
- 2023: 782024: 654738%
- Drugs given in the office
- 2023: 2,3112024: 46980%
- Surgery
- 2023: 1602024: 1516%
- Lab and pathology
- 2023: 442024: 3618%
- Imaging
- 2023: 122024: 0100%
Where Dr. Subramani's Medicare services took place, 2024
- In an office3,32070%
- In a facility1,42230%
Dr. Subramani compared with the Washington median for cardiologists, 2024
- Dr. Subramani
- Washington median
- Medicare services
- 4,742vs 1,5203.1 times
- Medicare patients
- 1,660vs 84696% above
- Part D claims
- 4,735vs 1,7212.8 times
Medians across 425 cardiologists in Washington with Dmand AI profiles that report each measure.
Dr. Subramani'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. Matthew S. Subramani treated 1,660 Medicare patients in 2024, average age 76
CMS counts 1,660 Medicare patients who saw Dr. Subramani in 2024. The largest group is 75 to 84, with 699 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.62, 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. Subramani's median patient age at 73, with 46% women.
Medicare patients, 20241,660
Average age76
Average risk score1.62
Also on Medicaid9%
Dr. Subramani's Medicare patients by age, 2024
Dr. Subramani's Medicare patients by sex, 2024
- Women87052%
- Men79048%
Chronic conditions among Dr. Subramani's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Atrial fibrillation40%
- Heart failure40%
- Ischemic heart disease40%
- Chronic kidney disease30%
- Diabetes29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Subramani'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
- Women46%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew S. Subramani wrote 4,990 Medicare Part D claims in 2024
In 2024, Dr. Subramani wrote 4,990 Medicare Part D claims for 666 patients. 83% of them were for generic drugs. CMS names the drug for 4,735 of them, across 44 drugs with 11 or more claims each, at $1,295,883 in total drug cost. In 2023, CMS named 2,496 claims across 31 drugs.
Part D claims, 20244,990
Drugs named by CMS44
Total drug cost$1.3M
Part D patients666
Dr. Subramani's Part D claims by kind of drug, 2024
- Generic4,160 claims83%
- Brand-name830 claims17%
Dr. Subramani'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. Subramani's Part D claims, 2024
- Antibiotics0%17 of 4,990 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: 2,4962024: 4,73590%
Drugs named by CMS: 44 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. Matthew S. Subramani offers telehealth to Medicare patients
Dr. Subramani accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Subramani as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Matthew S. Subramani has 1 publication on record
Dmand AI links 1 paper to Dr. Subramani in 2022. Dr. Subramani's most frequent co-authors are Leo Thomas Gozdecki, DO and Paul S. Pagel, MD.
Papers1
Dr. Subramani's most frequent co-authors
Recent publications by Dr. Subramani
See who Dr. Subramani researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Subramani works with, so you can find a warm path to the right cardiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Matthew S. Subramani received $606 in industry payments from 2020 to 2025
CMS Open Payments shows 7 general payments to Dr. Subramani from 5 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 66% of the total. Abbott Laboratories paid the most, $343.
General payments to Dr. Subramani by program year, 2020 to 2025
General payments to Dr. Subramani by kind, 2020 to 2025
$606in total
- Food and beverage$39866%
- Education$20834%
Companies that paid Dr. Subramani the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew S. Subramani'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Matthew S. Subramani
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. Matthew S. Subramani's NPI number?
Dr. Matthew S. Subramani's NPI number is 1215323324. It was assigned on April 15, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew S. Subramani?
Dr. Matthew S. Subramani is a cardiologist in Seattle, Washington. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. Matthew S. Subramani practice?
Dr. Subramani practices at 1100 9th Ave, Seattle, WA 98101. Dr. Subramani's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Subramani to 3 hospitals, 1 group practice or clinic and 1 imaging center.
What is Dr. Matthew S. Subramani's medical license number?
Dr. Subramani holds Washington license MD61248984, one of the licenses on file in 2 states.
Which states has Dr. Matthew S. Subramani been licensed in?
Dmand AI has state licenses on file for Dr. Subramani in Washington and Wisconsin.
Which hospitals is Dr. Matthew S. Subramani affiliated with?
Dr. Subramani is affiliated with Virginia Mason Medical Center. Dmand AI links Dr. Subramani to 3 more hospitals.
What medical group is Dr. Matthew S. Subramani part of?
Dr. Subramani is linked to Virginia Mason Medical Center.
Does Dr. Matthew S. Subramani accept Medicare?
Yes. CMS data shows Dr. Subramani billed Medicare for 4,742 services in 2024, and Dr. Subramani accepts Medicare assignment.
Does Dr. Matthew S. Subramani offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Subramani as offering telehealth services.
How many Medicare patients does Dr. Matthew S. Subramani see?
CMS counts 1,660 Medicare patients who saw Dr. Subramani in 2024, with an average age of 76.
Show 6 more questionsShow fewer questions
What services does Dr. Matthew S. Subramani bill to Medicare?
In 2024, Dr. Subramani's most billed Medicare services were office visit, established patient (99214), heart test or procedure (93010) and medicare service (G2211).
What drugs does Dr. Matthew S. Subramani prescribe most?
In 2024 Medicare Part D data, Dr. Subramani's most prescribed drugs by claims were Metoprolol Succinate, Eliquis and Atorvastatin Calcium.
Has Dr. Matthew S. Subramani received payments from drug or device companies?
CMS Open Payments shows $606 in general payments to Dr. Subramani from 5 companies from 2020 to 2025. The largest total came from Abbott Laboratories.
How long has Dr. Matthew S. Subramani been practicing?
Dr. Subramani graduated from medical school in 2015, 11 years ago.
Does Dr. Matthew S. Subramani do research?
Dmand AI links 1 publication to Dr. Subramani.
Who does Dr. Matthew S. Subramani publish with?
Dr. Subramani's most frequent co-authors are Leo Thomas Gozdecki, DO (1 shared paper) and Paul S. Pagel, MD (1 shared paper).
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