Dr. Thomas C. Gunby, MD
- Medicare services, 2024
- 267
- Medicare patients, 2024
- 142
- Part D claims, 2024
- 98
- Affiliated sites
- 3
- Medical group
- 1
- 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. Gunby'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. Thomas C. Gunby is a hospitalist in Seattle, Washington
Dr. Gunby practices at Virginia Mason Medical Center - HOPD in Seattle, Washington.
Dr. Gunby's NPI, 1144243668, was assigned on July 25, 2006. Dr. Gunby graduated from University of Washington School of Medicine in 1980. Dr. Gunby holds Washington license MD00022614.
- NPI
- 1144243668NPI Registry (opens in a new tab)
- NPI enumeration date
- July 25, 2006
- NPI status
- Active
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Thomas C. Gunby practices at Virginia Mason Medical Center - HOPD in Seattle, Washington
Dr. Gunby'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. Thomas C. Gunby is affiliated with 3 sites of care and 1 medical group
Dr. Gunby's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Gunby to 1 group practice or clinic, 1 imaging center and 1 medical group, each named with a free account. Dr. Gunby's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Thomas C. Gunby's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gunby practices, 3 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 |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas C. Gunby is one of 766 hospitalists in Washington
Hospitalist is Dr. Gunby's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Gunby is licensed in Washington.
Specialties and state licenses
- Hospitalist, WashingtonPrimary
Hospitalists near Dr. Gunby
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. Thomas C. Gunby billed Medicare for 267 services in 2024
CMS data shows 267 Medicare services from Dr. Gunby across 3 procedure codes in 2024, for 142 Medicare patients. Medicare paid $22,941 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Gunby's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5202024: 26749%
Dr. Gunby compared with the Washington median for hospitalists, 2024
- Dr. Gunby
- Washington median
- Medicare services
- 267vs 31415% below
- Medicare patients
- 142vs 15710% below
- Part D claims
- 11vs 4073% below
Medians across 696 hospitalists in Washington with Dmand AI profiles that report each measure.
Dr. Gunby'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. Thomas C. Gunby treated 142 Medicare patients in 2024, average age 78
CMS counts 142 Medicare patients who saw Dr. Gunby in 2024. The largest group is 75 to 84, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.38, 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. Gunby's median patient age at 73, with 67% women.
Dr. Gunby's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Gunby's Medicare patients by sex, 2024
- Women6244%
- Men8056%
Chronic conditions among Dr. Gunby's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Heart failure54%
- Arthritis51%
- Atrial fibrillation47%
- Ischemic heart disease44%
- Diabetes42%
- Chronic kidney disease41%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gunby'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
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas C. Gunby wrote 98 Medicare Part D claims in 2024
In 2024, Dr. Gunby wrote 98 Medicare Part D claims for 37 patients. 85% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $77 in total drug cost.
Dr. Gunby's Part D claims by kind of drug, 2024
- Generic83 claims85%
- Brand-name15 claims15%
Dr. Gunby's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
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Dr. Thomas C. Gunby graduated from University of Washington School of Medicine
Dr. Gunby graduated from University of Washington School of Medicine in 1980.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas C. Gunby'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) |
| 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. Thomas C. Gunby
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. Thomas C. Gunby's NPI number?
Dr. Thomas C. Gunby's NPI number is 1144243668. It was assigned on July 25, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas C. Gunby?
Dr. Thomas C. Gunby is a hospitalist in Seattle, Washington. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Thomas C. Gunby practice?
Dr. Gunby practices at 1100 9th Ave, Seattle, WA 98101. Dr. Gunby's primary practice is Virginia Mason Medical Center - HOPD in Seattle, Washington. Dmand AI also links Dr. Gunby to 1 group practice or clinic, 1 imaging center and 1 medical group.
What is Dr. Thomas C. Gunby's medical license number?
Dr. Gunby holds Washington license MD00022614.
Does Dr. Thomas C. Gunby accept Medicare?
Yes. CMS data shows Dr. Gunby billed Medicare for 267 services in 2024.
How many Medicare patients does Dr. Thomas C. Gunby see?
CMS counts 142 Medicare patients who saw Dr. Gunby in 2024, with an average age of 78.
What services does Dr. Thomas C. Gunby bill to Medicare?
In 2024, Dr. Gunby's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99239).
Where did Dr. Thomas C. Gunby go to medical school?
Dr. Gunby graduated from University of Washington School of Medicine in 1980.
What drugs does Dr. Thomas C. Gunby prescribe most?
In 2018 Medicare Part D data, Dr. Gunby's most prescribed drugs by claims were Hydrochlorothiazide.
How long has Dr. Thomas C. Gunby been practicing?
Dr. Gunby graduated from medical school in 1980, 46 years ago.
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