Dr. Guillermo David Alfonso Jr., DO

  • Cincinnati, OH
  • Pediatric radiology physician
NPI1124588561PAC ID3870916919
Hospital affiliations
1
Medical groups
2
State licenses
2
Year NPI issued
2019
Practice address
3333 Burnet Avenue, Cincinnati, OH 45229
Practice phone
Call (513) 636-3333
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

See all 4 affiliations

Find Dr. Alfonso'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.

View contacts for free

Dr. Guillermo David Alfonso Jr. is a pediatric radiology physician in Cincinnati, Ohio

Dr. Alfonso practices at Cincinnati Children's Hospital Medical Center in Cincinnati, Ohio, part of Cincinnati Children's Hospital Medical Center.

Dr. Alfonso's NPI, 1124588561, was assigned on March 21, 2019. Dr. Alfonso graduated from Edward Via Col of Osteo Medicine-Carolinas Campus in 2019. Dr. Alfonso holds Ohio license 34.017009.

NPI and contact details
Medicare PAC ID
3870916919
NPI enumeration date
March 21, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(513) 636-3333
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Guillermo David Alfonso Jr. practices at Cincinnati Children's Hospital Medical Center in Cincinnati, Ohio

Dr. Alfonso's primary practice is Cincinnati Children's Hospital Medical Center, at 3333 Burnet Avenue, Cincinnati, OH 45229 in Hamilton County. The practice phone is (513) 636-3333.

Source: Dmand AI Affiliation Data

Dr. Guillermo David Alfonso Jr. is affiliated with 2 sites of care and 2 medical groups

Dr. Alfonso's primary practice is Cincinnati Children's Hospital Medical Center in Cincinnati, Ohio, part of Cincinnati Children's Hospital Medical Center. The medical group on file is Cincinnati Children's. Dmand AI also links Dr. Alfonso to 1 more dialysis center and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Alfonso

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Guillermo David Alfonso Jr.'s practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alfonso practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Cincinnati Children's Hospital Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Alfonso practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Cincinnati Children's Hospital Medical Center and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Guillermo David Alfonso Jr. is one of 105 pediatric radiology physicians in Ohio

Pediatric radiology is Dr. Alfonso's primary specialty in the NPI Registry, under taxonomy code 2085P0229X. Dmand AI has Dr. Alfonso's licenses on file in 2 states: Ohio and Kentucky.

Specialties and state licenses

  • Pediatric radiology, OhioPrimaryLicense 34.017009 · taxonomy 2085P0229X
  • Kentucky licenseLicense TP522

Pediatric radiology physicians near Dr. Alfonso

Counts of pediatric radiology 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. Guillermo David Alfonso Jr.'s patients have a median age of 9

Across all payers, Dmand AI patient panel data puts Dr. Alfonso's median patient age at 9, with 45% women.

Dr. Alfonso's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 9

Patient panel by sex, all payers

  • Women45%
  • Men55%

Source: Dmand AI Patient Panel Data

How Dr. Guillermo David Alfonso Jr. takes part in Medicare

Dr. Alfonso 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)

Dr. Guillermo David Alfonso Jr. graduated from Edward Via Col of Osteo Medicine-Carolinas Campus

Dr. Alfonso graduated from Edward Via Col of Osteo Medicine-Carolinas Campus in 2019.

  1. Medical schoolEdward Via Col of Osteo Medicine-Carolinas Campus

Source: Dmand AI Professional Profile Data

Sources for Dr. Guillermo David Alfonso Jr.'s profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Guillermo David Alfonso Jr.

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. Guillermo David Alfonso Jr.'s NPI number?

Dr. Guillermo David Alfonso Jr.'s NPI number is 1124588561. It was assigned on March 21, 2019, and it is active in the NPI Registry.

What kind of doctor is Dr. Guillermo David Alfonso Jr.?

Dr. Guillermo David Alfonso Jr. is a pediatric radiology physician in Cincinnati, Ohio. The primary specialty in the NPI Registry is Pediatric Radiology Physician (taxonomy code 2085P0229X).

Where does Dr. Guillermo David Alfonso Jr. practice?

Dr. Alfonso practices at 3333 Burnet Avenue, Cincinnati, OH 45229. Dr. Alfonso's primary practice is Cincinnati Children's Hospital Medical Center in Cincinnati, Ohio, part of Cincinnati Children's Hospital Medical Center. Dmand AI also links Dr. Alfonso to 1 dialysis center and 1 medical group.

What is Dr. Guillermo David Alfonso Jr.'s office phone number?

The practice phone on file for Dr. Alfonso is (513) 636-3333.

What is Dr. Guillermo David Alfonso Jr.'s medical license number?

Dr. Alfonso holds Ohio license 34.017009, one of the licenses on file in 2 states.

Which states has Dr. Guillermo David Alfonso Jr. been licensed in?

Dmand AI has state licenses on file for Dr. Alfonso in Ohio and Kentucky.

Which hospitals is Dr. Guillermo David Alfonso Jr. affiliated with?

Dr. Alfonso practices at Cincinnati Children's Hospital Medical Center in Cincinnati, Ohio.

What medical group is Dr. Guillermo David Alfonso Jr. part of?

Dr. Alfonso is linked to Cincinnati Children's. Dmand AI links Dr. Alfonso to 1 more medical group.

Does Dr. Guillermo David Alfonso Jr. accept Medicare?

Yes. CMS lists Dr. Alfonso as accepting Medicare assignment.

Where did Dr. Guillermo David Alfonso Jr. go to medical school?

Dr. Alfonso graduated from Edward Via Col of Osteo Medicine-Carolinas Campus in 2019.

How long has Dr. Guillermo David Alfonso Jr. been practicing?

Dr. Alfonso graduated from medical school in 2019, 7 years ago.

Selling to pediatric radiology practices?

See pediatric radiology physicians in Ohio 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

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)