Arthur S. Welch, PA
- Medicare services, 2024
- 198
- Medicare patients, 2024
- 179
- Part D claims, 2024
- 295
- MIPS score, 2024
- 87
- Hospital affiliations
- 3
- Practice address
- 50 Division St, New Haven, CT 06511
- Practice phone
- Call (203) 785-2140
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale Medicine
New Haven, Connecticut
Find Arthur Welch'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.
Arthur S. Welch is a surgical physician assistant in New Haven, Connecticut
Arthur Welch practices at Yale Medicine in New Haven, Connecticut.
Arthur Welch's NPI, 1558319194, was assigned on May 5, 2006. Arthur Welch holds Connecticut license 001123.
- NPI
- 1558319194NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840257713
- NPI enumeration date
- May 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (203) 785-2140
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Arthur S. Welch practices at Yale Medicine in New Haven, Connecticut
Arthur Welch's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.
- Yale Medicine50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Arthur S. Welch is affiliated with 5 sites of care and 1 medical group
Arthur Welch's primary practice is Yale Medicine in New Haven, Connecticut. Arthur Welch is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Arthur Welch to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Arthur S. Welch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Arthur Welch practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale Medicine | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Arthur S. Welch is one of 699 surgical physician assistants in Connecticut
Surgical is Arthur Welch's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Arthur Welch is licensed in Connecticut.
Specialties and state licenses
- Surgical physician assistant, ConnecticutPrimary
Clinical focus
Dmand AI lists arthritis, carpal tunnel syndrome, fibromyalgia and chronic pain, joint arthropathy, lower back pain, neck pain and spine problems, scoliosis and spinal stenosis among the conditions Arthur Welch treats.
Surgical physician assistants near Arthur Welch
Counts of surgical physician assistants 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
Arthur S. Welch billed Medicare for 198 services in 2024
CMS data shows 198 Medicare services from Arthur Welch across 5 procedure codes in 2024, for 179 Medicare patients. Medicare paid $10,570 for them.
Where Arthur Welch's Medicare services took place, 2024
- In an office16885%
- In a facility3015%
Arthur Welch compared with the Connecticut median for surgical physician assistants, 2024
- Arthur Welch
- Connecticut median
- Medicare services
- 198vs 10785% above
- Medicare patients
- 179vs 483.7 times
- Part D claims
- 209vs 1042.0 times
Medians across 524 surgical physician assistants in Connecticut with Dmand AI profiles that report each measure.
Arthur 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 Arthur Welch and other surgical physician assistants in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Arthur S. Welch treated 179 Medicare patients in 2024, average age 72
CMS counts 179 Medicare patients who saw Arthur Welch in 2024. The largest group is 75 to 84, with 71 patients. 75% of them have arthritis, and 75% have high blood pressure. 24% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Arthur Welch's median patient age at 67, with 58% women.
Arthur Welch's Medicare patients by age, 2024
Arthur Welch's Medicare patients by sex, 2024
- Women9754%
- Men8246%
Chronic conditions among Arthur Welch's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Anxiety40%
- Mood disorders37%
- Depression33%
- Ischemic heart disease30%
- Diabetes28%
Share of Medicare patients with each condition. A patient can have several.
Arthur 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 67
Patient panel by sex, all payers
- Women58%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Arthur S. Welch wrote 295 Medicare Part D claims in 2024
In 2024, Arthur Welch wrote 295 Medicare Part D claims for 112 patients. 96% of them were for generic drugs. CMS names the drug for 209 of them, across 7 drugs with 11 or more claims each, at $2,001 in total drug cost.
Arthur Welch's Part D claims by kind of drug, 2024
- Generic282 claims96%
- Brand-name13 claims4%
Arthur Welch'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 Arthur Welch's Part D claims, 2024
- Opioids26%76 of 295 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Arthur S. Welch scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Arthur Welch for performance year 2024, reported as part of a group. Arthur Welch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Arthur Welch as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Arthur Welch's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Arthur S. Welch'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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 Arthur S. Welch
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Arthur S. Welch's NPI number?
Arthur S. Welch's NPI number is 1558319194. It was assigned on May 5, 2006, and it is active in the NPI Registry.
What does Arthur S. Welch specialize in?
Arthur S. Welch is a surgical physician assistant in New Haven, Connecticut. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Arthur S. Welch practice?
Arthur Welch practices at 50 Division St, New Haven, CT 06511. Arthur Welch's primary practice is Yale Medicine in New Haven, Connecticut. Dmand AI also links Arthur Welch to 2 hospitals and 1 group practice or clinic.
What is Arthur S. Welch's office phone number?
The practice phone on file for Arthur Welch is (203) 785-2140.
What is Arthur S. Welch's medical license number?
Arthur Welch holds Connecticut license 001123.
Which hospitals is Arthur S. Welch affiliated with?
Arthur Welch is affiliated with Yale New Haven Hospital. Dmand AI links Arthur Welch to 2 more hospitals.
What medical group is Arthur S. Welch part of?
Arthur Welch is linked to Yale Health.
Does Arthur S. Welch accept Medicare?
Yes. CMS data shows Arthur Welch billed Medicare for 198 services in 2024, and Arthur Welch accepts Medicare assignment.
Does Arthur S. Welch offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Arthur Welch as offering telehealth services.
What is Arthur S. Welch's MIPS score?
Arthur Welch's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
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How many Medicare patients does Arthur S. Welch see?
CMS counts 179 Medicare patients who saw Arthur Welch in 2024, with an average age of 72.
What services does Arthur S. Welch bill to Medicare?
In 2024, Arthur Welch's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and hospital inpatient care (99221).
What drugs does Arthur S. Welch prescribe most?
In 2024 Medicare Part D data, Arthur Welch's most prescribed drugs by claims were Cyclobenzaprine HCl, Gabapentin and Methylprednisolone.
How long has Arthur S. Welch been practicing?
Arthur Welch graduated from medical school in 2004, 22 years ago.
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