Dr. Alfonso L. Velasco, MD
- Medicare services, 2021
- 50
- Part D claims, 2021
- 24
- Industry payments
- $4
- Affiliated sites
- 3
- Medical groups
- 3
- Practice address
- 1000 N Oak Ave Attn Provider Certification Wwp, Marshfield, WI 54449-5703
- Practice phone
- Call (715) 387-5511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marshfield Medical Center - Wisconsin Rapids Campus
Multi-specialty group site · Marshfield, Wisconsin
Find Dr. Velasco'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. Alfonso L. Velasco is a colorectal surgeon in Marshfield, Wisconsin
Dr. Velasco practices at Marshfield Medical Center - Wisconsin Rapids Campus in Marshfield, Wisconsin.
Dr. Velasco's NPI, 1144321993, was assigned on September 26, 2006. Dr. Velasco holds Wisconsin license 43915.
- NPI
- 1144321993NPI Registry (opens in a new tab)
- NPI enumeration date
- September 26, 2006
- NPI status
- Active
- Practice phone
- (715) 387-5511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 71
- Medical school graduation
- 1981
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Alfonso L. Velasco practices at 2 locations in Marshfield, Wisconsin
Dr. Velasco's primary practice is Marshfield Medical Center - Wisconsin Rapids Campus, at 1000 N Oak Ave Attn Provider Certification Wwp, Marshfield, WI 54449-5703. The practice phone is (715) 387-5511. The NPI Registry lists Dr. Velasco's practice address as 611 N St Joseph Ave, Marshfield, WI 54449.
- Marshfield Medical Center - Wisconsin Rapids CampusPrimary1000 N Oak Ave Attn Provider Certification Wwp, Marshfield, WI 54449-5703Phone(715) 387-5511
- NPI Registry address611 N St Joseph Ave, Marshfield, WI 54449 · Wood CountyPhone(715) 387-5511
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Alfonso L. Velasco is affiliated with 3 sites of care and 3 medical groups
Dr. Velasco's primary practice is Marshfield Medical Center - Wisconsin Rapids Campus in Marshfield, Wisconsin. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Velasco to 2 more group practices and clinics and 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Alfonso L. Velasco's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Velasco practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Medical Center - Wisconsin Rapids Campus | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Alfonso L. Velasco is one of 29 colorectal surgeons in Wisconsin
Colon and rectal surgery is Dr. Velasco's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Velasco is licensed in Wisconsin.
Specialties and state licenses
- Colon and rectal surgery, WisconsinPrimary
Colorectal surgeons near Dr. Velasco
Counts of colorectal surgeons 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. Alfonso L. Velasco billed Medicare for 50 services in 2021
CMS data shows 50 Medicare services from Dr. Velasco across 3 procedure codes in 2021. Medicare paid $2,883 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Velasco's Medicare services by type, 2020 to 2021
- 2020
- 2021
- Office and hospital visits
- 2020: 292021: 2610%
- Surgery
- 2020: 142021: 2471%
Dr. Velasco compared with the Wisconsin median for colorectal surgeons, 2021
- Dr. Velasco
- Wisconsin median
- Medicare services
- 50vs 7937% below
- Part D claims
- 24vs 8672% below
Medians across 29 colorectal surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Velasco's most billed Medicare procedure codes, 2021
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. Velasco?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Velasco and other colorectal surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alfonso L. Velasco's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Dr. Velasco's median patient age at 76, with 60% women.
Dr. Velasco's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women60%
- Men40%
Source: Dmand AI Patient Panel Data
Dr. Alfonso L. Velasco wrote 24 Medicare Part D claims in 2021
In 2021, Dr. Velasco wrote 24 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $113 in total drug cost. In 2020, CMS named 23 claims across 2 drugs.
Dr. Velasco's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 232021: 244%
Drugs named by CMS: 2 in 2021, 2 in 2020.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Alfonso L. Velasco received $4 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Velasco from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. KLS-Martin L.P. paid the most, $4.
Companies that paid Dr. Velasco the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Alfonso L. Velasco'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Dr. Alfonso L. Velasco
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. Alfonso L. Velasco's NPI number?
Dr. Alfonso L. Velasco's NPI number is 1144321993. It was assigned on September 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alfonso L. Velasco?
Dr. Alfonso L. Velasco is a colorectal surgeon in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Alfonso L. Velasco practice?
Dr. Velasco practices at 1000 N Oak Ave Attn Provider Certification Wwp, Marshfield, WI 54449-5703. Dr. Velasco also practices at 611 N St Joseph Ave, Marshfield, WI 54449. Dr. Velasco's primary practice is Marshfield Medical Center - Wisconsin Rapids Campus in Marshfield, Wisconsin. Dmand AI also links Dr. Velasco to 2 group practices and clinics and 2 medical groups.
What is Dr. Alfonso L. Velasco's office phone number?
The practice phone on file for Dr. Velasco is (715) 387-5511.
What is Dr. Alfonso L. Velasco's medical license number?
Dr. Velasco holds Wisconsin license 43915.
What medical group is Dr. Alfonso L. Velasco part of?
Dr. Velasco is linked to Marshfield Clinic Health System. Dmand AI links Dr. Velasco to 2 more medical groups.
Does Dr. Alfonso L. Velasco accept Medicare?
Yes. CMS data shows Dr. Velasco billed Medicare for 50 services in 2021.
What services does Dr. Alfonso L. Velasco bill to Medicare?
In 2021, Dr. Velasco's most billed Medicare services were surgery: digestive system (46600), office visit, new patient (99203) and office visit, established patient (99215).
What drugs does Dr. Alfonso L. Velasco prescribe most?
In 2021 Medicare Part D data, Dr. Velasco's most prescribed drugs by claims were Tamsulosin HCl and Metronidazole.
Has Dr. Alfonso L. Velasco received payments from drug or device companies?
CMS Open Payments shows $4 in general payments to Dr. Velasco from 1 company from 2020 to 2020. The largest total came from KLS-Martin L.P.
How long has Dr. Alfonso L. Velasco been practicing?
Dr. Velasco graduated from medical school in 1981, 45 years ago.
Selling to colon and rectal surgery practices?
See colorectal surgeons in Wisconsin by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card