Dr. Lon Sidney Welch Jr., MD
- Medicare services, 2024
- 843
- Medicare patients, 2024
- 519
- Industry payments
- $10
- Affiliated sites
- 6
- Medical groups
- 7
- Practice address
- 222 15th SE Ave, Puyallup, WA 98372
- Practice phone
- Call (253) 761-4200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance
Puyallup, Washington
Find Dr. Welch's professional email, personal email and mobile number
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Dr. Lon Sidney Welch Jr. is a diagnostic radiologist in Puyallup, Washington
Dr. Welch practices at Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance in Puyallup, Washington.
Dr. Welch's NPI, 1528172400, was assigned on August 18, 2006. Dr. Welch graduated from University of North Dakota School of Medicine in 1995. Dr. Welch holds Washington license MD00037821.
- NPI
- 1528172400NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294639639
- NPI enumeration date
- August 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (253) 761-4200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lon Sidney Welch Jr. practices at Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance in Puyallup, Washington
Dr. Welch's primary practice is Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance, at 222 15th SE Ave, Puyallup, WA 98372 in Pierce County. The practice phone is (253) 761-4200.
- Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance222 15th SE Ave, Puyallup, WA 98372 · Pierce CountyPhone(253) 761-4200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lon Sidney Welch Jr. is affiliated with 7 sites of care and 7 medical groups
Dr. Welch's primary practice is Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance in Puyallup, Washington. The medical group on file is TRA Medical Imaging. Dmand AI also links Dr. Welch to 6 more group practices and clinics and 6 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Lon Sidney Welch Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Welch practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance | Available with a free account |
| +6 more sites and 6 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lon Sidney Welch Jr. is one of 819 diagnostic radiologists in Washington
Diagnostic radiology is Dr. Welch's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Welch is licensed in Washington.
Specialties and state licenses
- Diagnostic radiology, WashingtonPrimary
Diagnostic radiologists near Dr. Welch
Counts of diagnostic radiologists 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. Lon Sidney Welch Jr. billed Medicare for 843 services in 2024
CMS data shows 843 Medicare services from Dr. Welch across 9 procedure codes in 2024, for 519 Medicare patients. Medicare paid $70,086 for them.
Dr. Welch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,0992024: 77030%
- Other services
- 2023: 522024: 7340%
Where Dr. Welch's Medicare services took place, 2024
- In an office79294%
- In a facility516%
Dr. Welch compared with the Washington median for diagnostic radiologists, 2024
- Dr. Welch
- Washington median
- Medicare services
- 843vs 2,43365% below
- Medicare patients
- 519vs 1,48465% below
Medians across 799 diagnostic radiologists in Washington with Dmand AI profiles that report each measure.
Dr. Welch'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. Welch and other diagnostic radiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lon Sidney Welch Jr. treated 519 Medicare patients in 2024, average age 74
CMS counts 519 Medicare patients who saw Dr. Welch in 2024. The largest group is 65 to 74, with 226 patients. 71% of them have high cholesterol, and 68% have high blood pressure. 10% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Welch's median patient age at 73, with 100% women.
Dr. Welch's Medicare patients by age, 2024
Dr. Welch's Medicare patients by sex, 2024
- Women46389%
- Men5611%
Chronic conditions among Dr. Welch's Medicare patients, 2024
- High cholesterol71%
- High blood pressure68%
- Arthritis46%
- Mood disorders27%
- Diabetes25%
- Chronic kidney disease24%
- Anxiety23%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Welch'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
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Lon Sidney Welch Jr. takes part in Medicare
Dr. Welch 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. Lon Sidney Welch Jr. received $10 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Welch from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $10.
Companies that paid Dr. Welch the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lon Sidney Welch Jr. graduated from University of North Dakota School of Medicine
Dr. Welch graduated from University of North Dakota School of Medicine in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Lon Sidney Welch Jr.'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Lon Sidney Welch Jr.
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What is Dr. Lon Sidney Welch Jr.'s NPI number?
Dr. Lon Sidney Welch Jr.'s NPI number is 1528172400. It was assigned on August 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lon Sidney Welch Jr.?
Dr. Lon Sidney Welch Jr. is a diagnostic radiologist in Puyallup, Washington. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Lon Sidney Welch Jr. practice?
Dr. Welch practices at 222 15th SE Ave, Puyallup, WA 98372. Dr. Welch's primary practice is Medical Imaging Northwest - Good Samaritan Hospital Imaging Alliance in Puyallup, Washington. Dmand AI also links Dr. Welch to 6 group practices and clinics and 6 medical groups.
What is Dr. Lon Sidney Welch Jr.'s office phone number?
The practice phone on file for Dr. Welch is (253) 761-4200.
What is Dr. Lon Sidney Welch Jr.'s medical license number?
Dr. Welch holds Washington license MD00037821.
What medical group is Dr. Lon Sidney Welch Jr. part of?
Dr. Welch is linked to TRA Medical Imaging. Dmand AI links Dr. Welch to 6 more medical groups.
Does Dr. Lon Sidney Welch Jr. accept Medicare?
Yes. CMS data shows Dr. Welch billed Medicare for 843 services in 2024, and Dr. Welch accepts Medicare assignment.
How many Medicare patients does Dr. Lon Sidney Welch Jr. see?
CMS counts 519 Medicare patients who saw Dr. Welch in 2024, with an average age of 74.
What services does Dr. Lon Sidney Welch Jr. bill to Medicare?
In 2024, Dr. Welch's most billed Medicare services were radiation oncology (77063), radiation oncology (77067) and medicare service (G0279).
Where did Dr. Lon Sidney Welch Jr. go to medical school?
Dr. Welch graduated from University of North Dakota School of Medicine in 1995.
Has Dr. Lon Sidney Welch Jr. received payments from drug or device companies?
CMS Open Payments shows $10 in general payments to Dr. Welch from 1 company from 2017 to 2017. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Lon Sidney Welch Jr. been practicing?
Dr. Welch graduated from medical school in 1995, 31 years ago.
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