Dr. Matthew James Vonfeldt, MD
- Medicare services, 2024
- 121
- Medicare patients, 2024
- 225
- Hospital affiliations
- 3
- Industry payments
- $80
- Medical group
- 1
- Practice address
- 2901 Squalicum Parkway, Bellingham, WA 98225
- Practice phone
- Call (360) 734-5400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Vonfeldt's professional email, personal email and mobile number
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Dr. Matthew James Vonfeldt is an anesthesiologist in Bellingham, Washington
Dr. Vonfeldt practices at PeaceHealth St. Joseph Medical Center in Bellingham, Washington, part of PeaceHealth.
Dr. Vonfeldt's NPI, 1700807948, was assigned on July 22, 2006. Dr. Vonfeldt graduated from Medical College of Wisconsin in 1997. Dr. Vonfeldt holds Washington license MD00038923.
- NPI
- 1700807948NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961301486
- NPI enumeration date
- July 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 734-5400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew James Vonfeldt practices at PeaceHealth St. Joseph Medical Center in Bellingham, Washington
Dr. Vonfeldt's primary practice is PeaceHealth St. Joseph Medical Center, at 2901 Squalicum Parkway, Bellingham, WA 98225 in Whatcom County. The practice phone is (360) 734-5400.
- PeaceHealth St. Joseph Medical Center2901 Squalicum Parkway, Bellingham, WA 98225 · Whatcom CountyPhone(360) 734-5400
Source: Dmand AI Affiliation Data
Dr. Matthew James Vonfeldt is affiliated with 4 sites of care and 1 medical group
Dr. Vonfeldt's primary practice is PeaceHealth St. Joseph Medical Center in Bellingham, Washington, part of PeaceHealth. Dr. Vonfeldt is also affiliated with Skagit Valley Hospital. The medical group on file is Bellingham Anesthesia Associates. Dmand AI also links Dr. Vonfeldt to 1 more hospital and 1 group practice or clinic, 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. Matthew James Vonfeldt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Vonfeldt practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PeaceHealth St. Joseph Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across PeaceHealth and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Matthew James Vonfeldt is one of 1,332 anesthesiologists in Washington
Anesthesiology is Dr. Vonfeldt's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Vonfeldt is licensed in Washington.
Specialties and state licenses
- Anesthesiology, WashingtonPrimary
Anesthesiologists near Dr. Vonfeldt
Counts of anesthesiologists 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 James Vonfeldt billed Medicare for 121 services in 2024
CMS data shows 121 Medicare services from Dr. Vonfeldt across 5 procedure codes in 2024, for 225 Medicare patients. Medicare paid $13,193 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Vonfeldt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 862024: 12141%
Dr. Vonfeldt compared with the Washington median for anesthesiologists, 2024
- Dr. Vonfeldt
- Washington median
- Medicare services
- 121vs 413.0 times
- Medicare patients
- 225vs 1072.1 times
Medians across 1,312 anesthesiologists in Washington with Dmand AI profiles that report each measure.
Dr. Vonfeldt'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.
Need commercial claims for Dr. Vonfeldt?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Vonfeldt and other anesthesiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew James Vonfeldt treated 225 Medicare patients in 2024, average age 75
CMS counts 225 Medicare patients who saw Dr. Vonfeldt in 2024. The largest group is 75 to 84, with 100 patients. 73% of them have high blood pressure, and 66% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.12, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Vonfeldt's median patient age at 70, with 55% women.
Dr. Vonfeldt's Medicare patients by age, 2024
Dr. Vonfeldt's Medicare patients by sex, 2024
- Women12857%
- Men9743%
Chronic conditions among Dr. Vonfeldt's Medicare patients, 2024
- High blood pressure73%
- High cholesterol66%
- Arthritis51%
- Ischemic heart disease35%
- Atrial fibrillation29%
- Mood disorders28%
- Anxiety24%
- Depression24%
Share of Medicare patients with each condition. A patient can have several.
Dr. Vonfeldt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Matthew James Vonfeldt takes part in Medicare
Dr. Vonfeldt 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. Matthew James Vonfeldt received $80 in industry payments from 2024 to 2025
CMS Open Payments shows 2 general payments to Dr. Vonfeldt from 2 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $43.
General payments to Dr. Vonfeldt by program year, 2024 to 2025
Companies that paid Dr. Vonfeldt the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Matthew James Vonfeldt graduated from Medical College of Wisconsin
Dr. Vonfeldt graduated from Medical College of Wisconsin in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Matthew James Vonfeldt'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) |
| 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. Matthew James Vonfeldt
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 James Vonfeldt's NPI number?
Dr. Matthew James Vonfeldt's NPI number is 1700807948. It was assigned on July 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew James Vonfeldt?
Dr. Matthew James Vonfeldt is an anesthesiologist in Bellingham, Washington. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Matthew James Vonfeldt practice?
Dr. Vonfeldt practices at 2901 Squalicum Parkway, Bellingham, WA 98225. Dr. Vonfeldt's primary practice is PeaceHealth St. Joseph Medical Center in Bellingham, Washington, part of PeaceHealth. Dmand AI also links Dr. Vonfeldt to 1 hospital and 1 group practice or clinic.
What is Dr. Matthew James Vonfeldt's office phone number?
The practice phone on file for Dr. Vonfeldt is (360) 734-5400.
What is Dr. Matthew James Vonfeldt's medical license number?
Dr. Vonfeldt holds Washington license MD00038923.
Which hospitals is Dr. Matthew James Vonfeldt affiliated with?
Dr. Vonfeldt practices at PeaceHealth St. Joseph Medical Center in Bellingham, Washington. Dr. Vonfeldt is also affiliated with Skagit Valley Hospital. Dmand AI links Dr. Vonfeldt to 1 more hospital.
What medical group is Dr. Matthew James Vonfeldt part of?
Dr. Vonfeldt is linked to Bellingham Anesthesia Associates.
Does Dr. Matthew James Vonfeldt accept Medicare?
Yes. CMS data shows Dr. Vonfeldt billed Medicare for 121 services in 2024, and Dr. Vonfeldt accepts Medicare assignment.
How many Medicare patients does Dr. Matthew James Vonfeldt see?
CMS counts 225 Medicare patients who saw Dr. Vonfeldt in 2024, with an average age of 75.
What services does Dr. Matthew James Vonfeldt bill to Medicare?
In 2024, Dr. Vonfeldt's most billed Medicare services were anesthesia (00142), anesthesia (01922) and anesthesia (00731).
Show 3 more questionsShow fewer questions
Where did Dr. Matthew James Vonfeldt go to medical school?
Dr. Vonfeldt graduated from Medical College of Wisconsin in 1997.
Has Dr. Matthew James Vonfeldt received payments from drug or device companies?
CMS Open Payments shows $80 in general payments to Dr. Vonfeldt from 2 companies from 2024 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Matthew James Vonfeldt been practicing?
Dr. Vonfeldt graduated from medical school in 1997, 29 years ago.
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