Alec Block
- Medicare services, 2024
- 1,567
- Medicare patients, 2024
- 203
- Part D claims, 2024
- 177
- Publications
- 29
- Clinical trials
- 2
- Practice address
- 2160 S 1st Avenue, Maywood, IL 60153
- Practice phone
- Call (708) 216-3299
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Loyola Medicine Pediatric Mobile Health Unit
Mobile Lab · Maywood, Illinois
Find Alec Block'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.
Alec Block is a radiation oncologist in Maywood, Illinois
Alec Block practices at Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois.
Alec Block's NPI, 1124375274, was assigned on August 8, 2012. Alec Block graduated from Loyola University of Chicago, Stritch School of Medicine in 2012. Alec Block holds Illinois license 036142638.
- NPI
- 1124375274NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597066308
- NPI enumeration date
- August 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (708) 216-3299
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Alec Block practices at Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois
Alec Block's primary practice is Loyola Medicine Pediatric Mobile Health Unit, at 2160 S 1st Avenue, Maywood, IL 60153. The practice phone is (708) 216-3299.
- Loyola Medicine Pediatric Mobile Health Unit2160 S 1st Avenue, Maywood, IL 60153Phone(708) 216-3299
Source: Dmand AI Affiliation Data
Alec Block is affiliated with 2 sites of care and 1 medical group
Alec Block's primary practice is Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois. Alec Block is also affiliated with Loyola University Medical Center. The medical group on file is Loyola University Medical Center. Alec Block's employer is on file too: a clinical lab.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Alec Block's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Alec Block practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loyola Medicine Pediatric Mobile Health Unit | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Alec Block is one of 243 radiation oncologists in Illinois
Radiation oncology is Alec Block's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Alec Block is licensed in Illinois.
Specialties and state licenses
- Radiation oncology, IllinoisPrimary
Radiation oncologists near Alec Block
Counts of radiation oncologists 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
Alec Block billed Medicare for 1,567 services in 2024
CMS data shows 1,567 Medicare services from Alec Block across 12 procedure codes in 2024, for 203 Medicare patients. Medicare paid $109,233 for them. Every service was in a facility, such as a hospital, rather than an office.
Alec Block's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,2342024: 1,3358%
- Office and hospital visits
- 2023: 1852024: 21416%
- Other services
- 2023: 322024: 1844%
- Surgery
- 2023: 202024: 0100%
Alec Block compared with the Illinois median for radiation oncologists, 2024
- Alec Block
- Illinois median
- Medicare services
- 1,567vs 1,4597% above
- Medicare patients
- 203vs 17615% above
- Part D claims
- 115vs 343.4 times
Medians across 231 radiation oncologists in Illinois with Dmand AI profiles that report each measure.
Alec Block'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 Alec Block?
Medicare shows one payer. Book a meeting to get commercial claims data for Alec Block and other radiation oncologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Alec Block treated 203 Medicare patients in 2024, average age 74
CMS counts 203 Medicare patients who saw Alec Block in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 2.12, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Alec Block's median patient age at 71, with 32% women.
Alec Block's Medicare patients by age, 2024
Alec Block's Medicare patients by sex, 2024
- Women7939%
- Men12461%
Chronic conditions among Alec Block's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis40%
- Ischemic heart disease35%
- Cancer33%
- Diabetes32%
- Anxiety29%
- Chronic kidney disease28%
Share of Medicare patients with each condition. A patient can have several.
Alec Block's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women32%
- Men67%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Alec Block wrote 177 Medicare Part D claims in 2024
In 2024, Alec Block wrote 177 Medicare Part D claims for 54 patients. 94% of them were for generic drugs. CMS names the drug for 115 of them, across 2 drugs with 11 or more claims each, at $3,737 in total drug cost. In 2023, CMS named 134 claims across 4 drugs.
Alec Block's Part D claims by kind of drug, 2024
- Generic167 claims94%
- Brand-name and other10 claims6%
Alec Block'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 Alec Block's Part D claims, 2024
- Opioids44%77 of 177 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1342024: 11514%
Drugs named by CMS: 2 in 2024, 4 in 2023.
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
How Alec Block takes part in Medicare
Alec Block 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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Alec Block has 29 publications on record
Dmand AI links 29 papers to Alec Block, published from 2012 to 2025. 2016 was the busiest year, with 5. The most frequent topics are Prostatic Neoplasms, Brachytherapy and Endometrial Neoplasms. Alec Block has published most often in Int J Radiat Oncol Biol Phys. Alec Block's most frequent co-authors are Matthew Mark Harkenrider, MD, Abhishek Ashok Solanki, MD and James S. Welsh, MD, MS.
Alec Block's papers by year, 2015 to 2025
Topics Alec Block writes about most
- Prostatic Neoplasms
- Brachytherapy
- Endometrial Neoplasms
- Radiotherapy, Image-Guided
- Radiotherapy Planning, Computer-Assisted
- Analysis of Variance
- Feasibility Studies
- Head and Neck Neoplasms
Alec Block's most frequent co-authors
- Matthew Mark Harkenrider, MD15 shared papers
- Abhishek Ashok Solanki, MD6 shared papers
- James S. Welsh, MD, MS6 shared papers
Recent publications by Alec Block
Clin Genitourin Cancer
Am J Clin Oncol
See who Alec Block researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Alec Block works with, so you can find a warm path to the right radiation oncologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Alec Block has worked on 2 clinical trials
Dmand AI links Alec Block to 2 clinical trials. 2 are still active or recruiting. Conditions studied include Oropharyngeal Neoplasms, Salivary Gland Neoplasms and Pharyngeal Neoplasms.
Clinical trials with Alec Block by phase
- NonePhase 1: no trials
- 1Phase 2: 1 trial
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Conditions in Alec Block's trials
- Oropharyngeal Neoplasms
- Salivary Gland Neoplasms
- Pharyngeal Neoplasms
- Salivary Gland Diseases
Investigators on the most trials with Alec Block
- Vilija N. Avizonis, MD2 shared trials
- Voichita Bar Ad, MD2 shared trials
- Jonathan Jay Beitler, MBA, MD2 shared trials
Recent clinical trials with Alec Block
De-intensified Radiation Therapy With Chemotherapy (Cisplatin) or Immunotherapy (Nivolumab) in Treating Patients With Early-Stage, HPV-Positive, Non-Smoking Associated Oropharyngeal Cancer (opens in a new tab)
Radiation Therapy with or Without Chemotherapy in Treating Patients with High-Risk Malignant Salivary Gland Tumors That Have Been Removed by Surgery (opens in a new tab)
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Alec Block received $191 in industry payments from 2021 to 2025
CMS Open Payments shows 7 general payments to Alec Block from 3 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Carl Zeiss Meditec USA, Inc. paid the most, $122.
General payments to Alec Block by program year, 2021 to 2025
Companies that paid Alec Block the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Alec Block graduated from Loyola University of Chicago, Stritch School of Medicine
Alec Block graduated from Loyola University of Chicago, Stritch School of Medicine in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Alec Block'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) |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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 Alec Block
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Alec Block's NPI number?
Alec Block's NPI number is 1124375274. It was assigned on August 8, 2012, and it is active in the NPI Registry.
What does Alec Block specialize in?
Alec Block is a radiation oncologist in Maywood, Illinois. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Alec Block practice?
Alec Block practices at 2160 S 1st Avenue, Maywood, IL 60153. Alec Block's primary practice is Loyola Medicine Pediatric Mobile Health Unit in Maywood, Illinois.
What is Alec Block's office phone number?
The practice phone on file for Alec Block is (708) 216-3299.
What is Alec Block's medical license number?
Alec Block holds Illinois license 036142638.
Which hospitals is Alec Block affiliated with?
Alec Block is affiliated with Loyola University Medical Center.
What medical group is Alec Block part of?
Alec Block is linked to Loyola University Medical Center.
Does Alec Block accept Medicare?
Yes. CMS data shows Alec Block billed Medicare for 1,567 services in 2024, and Alec Block accepts Medicare assignment.
How many Medicare patients does Alec Block see?
CMS counts 203 Medicare patients who saw Alec Block in 2024, with an average age of 74.
What services does Alec Block bill to Medicare?
In 2024, Alec Block's most billed Medicare services were radiation oncology (77014), radiation oncology (77427) and office visit, established patient (99213).
Show 6 more questionsShow fewer questions
Where did Alec Block go to medical school?
Alec Block graduated from Loyola University of Chicago, Stritch School of Medicine in 2012.
What drugs does Alec Block prescribe most?
In 2024 Medicare Part D data, Alec Block's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Lidocaine HCl Viscous.
Has Alec Block received payments from drug or device companies?
CMS Open Payments shows $191 in general payments to Alec Block from 3 companies from 2021 to 2025. The largest total came from Carl Zeiss Meditec USA, Inc.
How long has Alec Block been practicing?
Alec Block graduated from medical school in 2012, 14 years ago.
Does Alec Block do research?
Dmand AI links 29 publications to Alec Block, published from 2012 to 2025. Alec Block has worked on 2 clinical trials.
Who does Alec Block publish with?
Alec Block's most frequent co-authors are Matthew Mark Harkenrider, MD (15 shared papers), Abhishek Ashok Solanki, MD (6 shared papers) and James S. Welsh, MD, MS (6 shared papers).
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