Dr. Kelvin K. Ma, MD
- Medicare services, 2024
- 265
- Medicare patients, 2024
- 145
- Part D claims, 2019
- 24
- Hospital affiliations
- 5
- Industry payments
- $466
- 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. Ma's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kelvin K. Ma is a neurologist in Seattle, Washington
Dr. Ma practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Dr. Ma's NPI, 1215115308, was assigned on January 31, 2008. Dr. Ma graduated from McGill University Faculty of Medicine in 1983. Dr. Ma holds California license C144763.
- NPI
- 1215115308NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8123918273
- NPI enumeration date
- January 31, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Kelvin K. Ma practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Dr. Ma'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. Kelvin K. Ma is affiliated with 9 sites of care and 6 medical groups
Dr. Ma's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dr. Ma is also affiliated with Virginia Mason Medical Center. The medical group on file is UC San Diego Health. Dmand AI also links Dr. Ma to 4 more hospitals, 5 medical groups, 2 group practices and clinics and 1 imaging center, each named with a free account. Dr. Ma's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kelvin K. Ma's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ma practices, 9 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 |
| +8 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kelvin K. Ma is one of 417 neurologists in Washington
Neurology is Dr. Ma's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Ma is board certified in neurology by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Ma's licenses on file in 5 states: California, Kentucky, Washington, Oregon and Indiana.
Specialties and state licenses
- Neurology, CaliforniaPrimary
- Kentucky license
- Washington license
- Oregon license
- Indiana license
Clinical focus
Dmand AI lists acute mini-stroke (TIA), cerebrovascular disease and epilepsy among the conditions Dr. Ma treats.
Neurologists near Dr. Ma
Counts of neurologists 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. Kelvin K. Ma billed Medicare for 265 services in 2024
CMS data shows 265 Medicare services from Dr. Ma across 5 procedure codes in 2024, for 145 Medicare patients. Medicare paid $37,271 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ma's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2532024: 2655%
- Tests and treatments
- 2023: 362024: 0100%
Dr. Ma compared with the Washington median for neurologists, 2024
- Dr. Ma
- Washington median
- Medicare services
- 265vs 2929% below
- Medicare patients
- 145vs 16412% below
- Part D claims
- 24vs 40894% below
Medians across 403 neurologists in Washington with Dmand AI profiles that report each measure.
Dr. Ma'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. Ma and other neurologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kelvin K. Ma treated 145 Medicare patients in 2024, average age 75
CMS counts 145 Medicare patients who saw Dr. Ma in 2024. The largest group is 65 to 74, with 49 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.36, 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. Ma's median patient age at 74, with 54% women.
Dr. Ma's Medicare patients by age, 2024
Dr. Ma's Medicare patients by sex, 2024
- Women6948%
- Men7652%
Chronic conditions among Dr. Ma's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Arthritis48%
- Heart failure48%
- Ischemic heart disease46%
- Atrial fibrillation43%
- Diabetes43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ma's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kelvin K. Ma wrote 24 Medicare Part D claims in 2019
In 2019, Dr. Ma wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $366 in total drug cost. In 2017, CMS named 26 claims across 2 drugs.
Dr. Ma's most prescribed drugs by claims, 2019
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, 2017 to 2019
- 2017
- 2019
- Claims for drugs CMS names
- 2017: 262019: 248%
Drugs named by CMS: 2 in 2019, 2 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Kelvin K. Ma takes part in Medicare
Dr. Ma accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Kelvin K. Ma received $466 in industry payments in 2016
CMS Open Payments shows 11 general payments to Dr. Ma from 7 drug and device companies in 2016. Food and beverage make up the largest share, 100% of the total. Indivior Inc. paid the most, $147.
Companies that paid Dr. Ma the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kelvin K. Ma graduated from McGill University Faculty of Medicine
Dr. Ma graduated from McGill University Faculty of Medicine in 1983.
- Medical school
- Board certified in neurology
Source: Dmand AI Professional Profile Data
Dr. Kelvin K. Ma accepts plans from 19 insurance carriers
Dr. Ma is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- LA Care
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Molina
- +11 more carriersWith a free account
Plan types Dr. Ma accepts, by number of carriers
- HMO10
- PPO10
- Medicare8
- EPO3
- Medicaid3
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Kelvin K. Ma'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Kelvin K. Ma
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. Kelvin K. Ma's NPI number?
Dr. Kelvin K. Ma's NPI number is 1215115308. It was assigned on January 31, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Kelvin K. Ma?
Dr. Kelvin K. Ma is a neurologist in Seattle, Washington. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Kelvin K. Ma practice?
Dr. Ma practices at 1100 9th Ave, Seattle, WA 98101. Dr. Ma's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Ma to 4 hospitals, 5 medical groups, 2 group practices and clinics and 1 imaging center.
What is Dr. Kelvin K. Ma's medical license number?
Dr. Ma holds California license C144763, one of the licenses on file in 5 states.
Which states has Dr. Kelvin K. Ma been licensed in?
Dmand AI has state licenses on file for Dr. Ma in California (2016 to 2026), Kentucky (2016 to 2026), Washington (1984 to 2026), Oregon (2015 to 2025) and Indiana (2016 to 2019).
Which hospitals is Dr. Kelvin K. Ma affiliated with?
Dr. Ma is affiliated with Virginia Mason Medical Center. Dmand AI links Dr. Ma to 4 more hospitals.
What medical group is Dr. Kelvin K. Ma part of?
Dr. Ma is linked to UC San Diego Health. Dmand AI links Dr. Ma to 5 more medical groups.
Does Dr. Kelvin K. Ma accept Medicare?
Yes. CMS data shows Dr. Ma billed Medicare for 265 services in 2024, and Dr. Ma accepts Medicare assignment.
How many Medicare patients does Dr. Kelvin K. Ma see?
CMS counts 145 Medicare patients who saw Dr. Ma in 2024, with an average age of 75.
Is Dr. Kelvin K. Ma board certified?
Yes. Dr. Ma is board certified in neurology by the American Board of Psychiatry and Neurology.
Show 6 more questionsShow fewer questions
What services does Dr. Kelvin K. Ma bill to Medicare?
In 2024, Dr. Ma's most billed Medicare services were critical care (99291), hospital inpatient care (99222) and hospital inpatient care (99223).
Where did Dr. Kelvin K. Ma go to medical school?
Dr. Ma graduated from McGill University Faculty of Medicine in 1983.
What drugs does Dr. Kelvin K. Ma prescribe most?
In 2019 Medicare Part D data, Dr. Ma's most prescribed drugs by claims were Atorvastatin Calcium and Famotidine.
Has Dr. Kelvin K. Ma received payments from drug or device companies?
CMS Open Payments shows $466 in general payments to Dr. Ma from 7 companies from 2016 to 2016. The largest total came from Indivior Inc.
How long has Dr. Kelvin K. Ma been practicing?
Dr. Ma graduated from medical school in 1983, 43 years ago.
What insurance does Dr. Kelvin K. Ma accept?
Dr. Ma is in network with 19 carriers, including Blue Cross Blue Shield of Michigan, Elevance and United Healthcare. HMO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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