Dr. Daniel Benjamin Ash, MD

  • Chicago, IL
  • Hospitalist
NPI1831583723PAC ID8123338514
Medicare services, 2024
370
Medicare patients, 2024
132
Part D claims, 2024
139
Publications
3
Hospital affiliations
1
Practice address
2900 N Lake Shore Dr, Chicago, IL 60657
Practice phone
Call (773) 665-3827
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ascension Illinois - Imaging Chicago

Mammography / Breast Imaging Center · Chicago, Illinois

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Dr. Daniel Benjamin Ash is a hospitalist in Chicago, Illinois

Dr. Ash practices at Ascension Illinois - Imaging Chicago in Chicago, Illinois.

Dr. Ash's NPI, 1831583723, was assigned on March 27, 2015. Dr. Ash graduated from Ohio State University College of Medicine in 2015. Dr. Ash holds Illinois license 036146144.

NPI and contact details
Medicare PAC ID
8123338514
NPI enumeration date
March 27, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(773) 665-3827
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Daniel Benjamin Ash practices at Ascension Illinois - Imaging Chicago in Chicago, Illinois

Dr. Ash's primary practice is Ascension Illinois - Imaging Chicago, at 2900 N Lake Shore Dr, Chicago, IL 60657. The practice phone is (773) 665-3827.

  • Ascension Illinois - Imaging Chicago
    2900 N Lake Shore Dr, Chicago, IL 60657Phone(773) 665-3827

Source: Dmand AI Affiliation Data

Dr. Daniel Benjamin Ash is affiliated with 2 sites of care and 2 medical groups

Dr. Ash's primary practice is Ascension Illinois - Imaging Chicago in Chicago, Illinois. Dr. Ash is also affiliated with University of Illinois Hospital. The medical group on file is UChicago Medicine Physicians. Dmand AI also links Dr. Ash to 1 more medical group, named with a free account.

See all 4 affiliations for Dr. Ash

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

Dmand AI tracks the EHR system at Dr. Daniel Benjamin Ash's practice

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

EHR by site
SiteEHR vendor and product
Ascension Illinois - Imaging ChicagoAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Daniel Benjamin Ash is one of 1,321 hospitalists in Illinois

Hospitalist is Dr. Ash's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Ash is licensed in Illinois.

Specialties and state licenses

  • Hospitalist, IllinoisPrimaryLicense 036146144 · taxonomy 208M00000X

Hospitalists near Dr. Ash

Counts of hospitalists 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. Daniel Benjamin Ash billed Medicare for 370 services in 2024

CMS data shows 370 Medicare services from Dr. Ash across 4 procedure codes in 2024, for 132 Medicare patients. Medicare paid $35,729 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024370
Medicare patients132
Paid by Medicare$35,729
Procedure codes4

Dr. Ash's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4562024: 37019%

Dr. Ash compared with the Illinois median for hospitalists, 2024

  • Dr. Ash
  • Illinois median
Medicare services
370vs 54332% below
Medicare patients
132vs 24245% below
Part D claims
153vs 532.9 times

Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.

Dr. Ash'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.

See all procedures by Dr. Ash

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Daniel Benjamin Ash treated 132 Medicare patients in 2024, average age 69

CMS counts 132 Medicare patients who saw Dr. Ash in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 3.32, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Ash's median patient age at 65, with 50% women.

Medicare patients, 2024132
Average age69
Average risk score3.32
Also on Medicaid66%

Dr. Ash's Medicare patients by age, 2024

Dr. Ash's Medicare patients by sex, 2024

  • Women6751%
  • Men6549%

Chronic conditions among Dr. Ash's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis71%
  4. Chronic kidney disease62%
  5. Diabetes59%
  6. Ischemic heart disease54%
  7. Heart failure48%
  8. Mood disorders38%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ash's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women50%
  • Men50%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Daniel Benjamin Ash wrote 139 Medicare Part D claims in 2024

In 2024, Dr. Ash wrote 139 Medicare Part D claims for 47 patients. 81% of them were for generic drugs. They cover 10 drugs, with $6,492 in total drug cost. In 2017, CMS named 54 claims across 3 drugs.

Part D claims, 2024139
Drugs named by CMS10
Total drug cost$6,492
Part D patients47

Dr. Ash's Part D claims by kind of drug, 2024

  • Generic112 claims81%
  • Brand-name and other27 claims19%

Dr. Ash's most prescribed drugs by claims, 2018

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 Dr. Ash's Part D claims, 2024

  • Antibiotics12%17 of 139 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, 2017 to 2018

  • 2017
  • 2018
Claims for drugs CMS names
2017: 542018: 153183%

Drugs named by CMS: 10 in 2018, 3 in 2017.

See all prescribing by Dr. Ash

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 Dr. Daniel Benjamin Ash takes part in Medicare

Dr. Ash 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. Daniel Benjamin Ash has 3 publications on record

Dmand AI links 3 papers to Dr. Ash, published from 2019 to 2020. The most frequent topics are COVID-19, Pandemics and SARS-CoV-2. Dr. Ash's most frequent co-authors are Daniela Rose Anderson, MD, Matthew T. Cerasale and Felicia Ratnaraj D'Souza, MD.

Papers3
Years published2019 to 2020

Topics Dr. Ash writes about most

  • COVID-19
  • Pandemics
  • SARS-CoV-2

Dr. Ash's most frequent co-authors

Recent publications by Dr. Ash

See all 3 publications and co-authors

See who Dr. Ash researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ash works with, so you can find a warm path to the right hospitalists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Daniel Benjamin Ash graduated from Ohio State University College of Medicine

Dr. Ash graduated from Ohio State University College of Medicine in 2015.

  1. Medical schoolOhio State University College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Daniel Benjamin Ash'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Daniel Benjamin Ash

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. Daniel Benjamin Ash's NPI number?

Dr. Daniel Benjamin Ash's NPI number is 1831583723. It was assigned on March 27, 2015, and it is active in the NPI Registry.

What kind of doctor is Dr. Daniel Benjamin Ash?

Dr. Daniel Benjamin Ash is a hospitalist in Chicago, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).

Where does Dr. Daniel Benjamin Ash practice?

Dr. Ash practices at 2900 N Lake Shore Dr, Chicago, IL 60657. Dr. Ash's primary practice is Ascension Illinois - Imaging Chicago in Chicago, Illinois. Dmand AI also links Dr. Ash to 1 medical group.

What is Dr. Daniel Benjamin Ash's office phone number?

The practice phone on file for Dr. Ash is (773) 665-3827.

What is Dr. Daniel Benjamin Ash's medical license number?

Dr. Ash holds Illinois license 036146144.

Which hospitals is Dr. Daniel Benjamin Ash affiliated with?

Dr. Ash is affiliated with University of Illinois Hospital.

What medical group is Dr. Daniel Benjamin Ash part of?

Dr. Ash is linked to UChicago Medicine Physicians. Dmand AI links Dr. Ash to 1 more medical group.

Does Dr. Daniel Benjamin Ash accept Medicare?

Yes. CMS data shows Dr. Ash billed Medicare for 370 services in 2024, and Dr. Ash accepts Medicare assignment.

How many Medicare patients does Dr. Daniel Benjamin Ash see?

CMS counts 132 Medicare patients who saw Dr. Ash in 2024, with an average age of 69.

What services does Dr. Daniel Benjamin Ash bill to Medicare?

In 2024, Dr. Ash's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99223).

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Where did Dr. Daniel Benjamin Ash go to medical school?

Dr. Ash graduated from Ohio State University College of Medicine in 2015.

What drugs does Dr. Daniel Benjamin Ash prescribe most?

In 2018 Medicare Part D data, Dr. Ash's most prescribed drugs by claims were Lisinopril, Amlodipine Besylate and Atorvastatin Calcium.

How long has Dr. Daniel Benjamin Ash been practicing?

Dr. Ash graduated from medical school in 2015, 11 years ago.

Does Dr. Daniel Benjamin Ash do research?

Dmand AI links 3 publications to Dr. Ash, published from 2019 to 2020.

Who does Dr. Daniel Benjamin Ash publish with?

Dr. Ash's most frequent co-authors are Daniela Rose Anderson, MD (1 shared paper), Matthew T. Cerasale (1 shared paper) and Felicia Ratnaraj D'Souza, MD (1 shared paper).

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