Dr. Thomas Christopher Barker, DO
- Medicare services, 2024
- 158
- Medicare patients, 2024
- 159
- Part D claims, 2024
- 171
- Hospital affiliations
- 2
- Industry payments
- $361
- Practice address
- 330 S Stillaguamish Ave, Arlington, WA 98223
- Practice phone
- Call (360) 435-2133
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Barker's professional email, personal email and mobile number
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Dr. Thomas Christopher Barker is an emergency medicine physician in Arlington, Washington
Dr. Barker practices at Cascade Valley Hospital in Arlington, Washington, part of Skagit Regional Health.
Dr. Barker's NPI, 1093394009, was assigned on April 6, 2021. Dr. Barker graduated from Pacific NW Un of HS, Col of Osteopathic Medicine in 2021. Dr. Barker holds Michigan license 5101027778.
- NPI
- 1093394009NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4981050366
- NPI enumeration date
- April 6, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 435-2133
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Christopher Barker practices at Cascade Valley Hospital in Arlington, Washington
Dr. Barker's primary practice is Cascade Valley Hospital, at 330 S Stillaguamish Ave, Arlington, WA 98223 in Snohomish County. The practice phone is (360) 435-2133.
- Cascade Valley Hospital330 S Stillaguamish Ave, Arlington, WA 98223 · Snohomish CountyPhone(360) 435-2133
Source: Dmand AI Affiliation Data
Dr. Thomas Christopher Barker is affiliated with 3 sites of care and 1 medical group
Dr. Barker's primary practice is Cascade Valley Hospital in Arlington, Washington, part of Skagit Regional Health. Dr. Barker is also affiliated with Skagit Valley Hospital. The medical group on file is Northwest Emergency Physicians. Dmand AI also links Dr. Barker to 1 more clinical lab, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Christopher Barker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cascade Valley Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Christopher Barker is one of 1,408 emergency medicine physicians in Washington
Emergency medicine is Dr. Barker's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Barker is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Barker
Counts of emergency medicine physicians 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 Christopher Barker billed Medicare for 158 services in 2024
CMS data shows 158 Medicare services from Dr. Barker across 4 procedure codes in 2024, for 159 Medicare patients. Medicare paid $19,499 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Barker compared with the Washington median for emergency medicine physicians, 2024
- Dr. Barker
- Washington median
- Medicare services
- 158vs 26841% below
- Medicare patients
- 159vs 22329% below
- Part D claims
- 70vs 6115% above
Medians across 1,440 emergency medicine physicians in Washington with Dmand AI profiles that report each measure.
Dr. Barker'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 Christopher Barker treated 159 Medicare patients in 2024, average age 75
CMS counts 159 Medicare patients who saw Dr. Barker in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.59, 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. Barker's median patient age at 47, with 56% women.
Dr. Barker's Medicare patients by age, 2024
Dr. Barker's Medicare patients by sex, 2024
- Women10264%
- Men5736%
Chronic conditions among Dr. Barker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis48%
- Anxiety38%
- Ischemic heart disease38%
- Chronic kidney disease36%
- Heart failure35%
- Diabetes31%
Share of Medicare patients with each condition. A patient can have several.
Dr. Barker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 47
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Christopher Barker wrote 171 Medicare Part D claims in 2024
In 2024, Dr. Barker wrote 171 Medicare Part D claims for 127 patients. 96% of them were for generic drugs. CMS names the drug for 70 of them, across 4 drugs with 11 or more claims each, at $546 in total drug cost. In 2023, CMS named 65 claims across 4 drugs.
Dr. Barker's Part D claims by kind of drug, 2024
- Generic164 claims96%
- Brand-name and other7 claims4%
Dr. Barker'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. Barker's Part D claims, 2024
- Antibiotics44%76 of 171 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: 652024: 708%
Drugs named by CMS: 4 in 2024, 4 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
How Dr. Thomas Christopher Barker takes part in Medicare
Dr. Barker 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. Thomas Christopher Barker received $361 in industry payments from 2022 to 2025
CMS Open Payments shows 6 general payments to Dr. Barker from 4 drug and device companies from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Paratek Pharmaceuticals, Inc. paid the most, $184.
General payments to Dr. Barker by program year, 2022 to 2025
Companies that paid Dr. Barker the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Christopher Barker graduated from Pacific NW Un of HS, Col of Osteopathic Medicine
Dr. Barker graduated from Pacific NW Un of HS, Col of Osteopathic Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Christopher Barker'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) |
| 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. Thomas Christopher Barker
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 Christopher Barker's NPI number?
Dr. Thomas Christopher Barker's NPI number is 1093394009. It was assigned on April 6, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Christopher Barker?
Dr. Thomas Christopher Barker is an emergency medicine physician in Arlington, Washington. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Thomas Christopher Barker practice?
Dr. Barker practices at 330 S Stillaguamish Ave, Arlington, WA 98223. Dr. Barker's primary practice is Cascade Valley Hospital in Arlington, Washington, part of Skagit Regional Health. Dmand AI also links Dr. Barker to 1 clinical lab.
What is Dr. Thomas Christopher Barker's office phone number?
The practice phone on file for Dr. Barker is (360) 435-2133.
What is Dr. Thomas Christopher Barker's medical license number?
Dr. Barker holds Michigan license 5101027778.
Which hospitals is Dr. Thomas Christopher Barker affiliated with?
Dr. Barker practices at Cascade Valley Hospital in Arlington, Washington. Dr. Barker is also affiliated with Skagit Valley Hospital.
What medical group is Dr. Thomas Christopher Barker part of?
Dr. Barker is linked to Northwest Emergency Physicians.
Does Dr. Thomas Christopher Barker accept Medicare?
Yes. CMS data shows Dr. Barker billed Medicare for 158 services in 2024, and Dr. Barker accepts Medicare assignment.
How many Medicare patients does Dr. Thomas Christopher Barker see?
CMS counts 159 Medicare patients who saw Dr. Barker in 2024, with an average age of 75.
What services does Dr. Thomas Christopher Barker bill to Medicare?
In 2024, Dr. Barker's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and critical care (99291).
Show 4 more questionsShow fewer questions
Where did Dr. Thomas Christopher Barker go to medical school?
Dr. Barker graduated from Pacific NW Un of HS, Col of Osteopathic Medicine in 2021.
What drugs does Dr. Thomas Christopher Barker prescribe most?
In 2024 Medicare Part D data, Dr. Barker's most prescribed drugs by claims were Cephalexin, Naproxen and Prednisone.
Has Dr. Thomas Christopher Barker received payments from drug or device companies?
CMS Open Payments shows $361 in general payments to Dr. Barker from 4 companies from 2022 to 2025. The largest total came from Paratek Pharmaceuticals, Inc.
How long has Dr. Thomas Christopher Barker been practicing?
Dr. Barker graduated from medical school in 2021, 5 years ago.
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