Dr. Barry S. Herst, MD
- Medicare services, 2024
- 720
- Medicare patients, 2024
- 458
- Part D claims, 2024
- 622
- Industry payments
- $5,975
- Affiliated sites
- 1
- Practice address
- 2845 N Sheridan Rd, Chicago, IL 60657
- Practice phone
- Call (773) 525-8700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eye Physicians&Surgeons of Chicago,S.C.
Chicago, Illinois
Find Dr. Herst's professional email, personal email and mobile number
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Dr. Barry S. Herst is an ophthalmologist in Chicago, Illinois
Dr. Herst practices at Eye Physicians&Surgeons of Chicago,S.C. in Chicago, Illinois.
Dr. Herst's NPI, 1295809259, was assigned on November 20, 2006. Dr. Herst graduated from Loyola University of Chicago, Stritch School of Medicine in 1977.
- NPI
- 1295809259NPI Registry (opens in a new tab)
- NPI enumeration date
- November 20, 2006
- NPI status
- Active
- Practice phone
- (773) 525-8700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Barry S. Herst practices at Eye Physicians&Surgeons of Chicago,S.C. in Chicago, Illinois
Dr. Herst's primary practice is Eye Physicians&Surgeons of Chicago,S.C., at 2845 N Sheridan Rd, Chicago, IL 60657 in Cook County. The practice phone is (773) 525-8700.
- Eye Physicians&Surgeons of Chicago,S.C.2845 N Sheridan Rd, Chicago, IL 60657 · Cook CountyPhone(773) 525-8700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Barry S. Herst is affiliated with 2 sites of care and 1 medical group
Dr. Herst's primary practice is Eye Physicians&Surgeons of Chicago,S.C. in Chicago, Illinois. Dmand AI also links Dr. Herst to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Barry S. Herst's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Herst practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eye Physicians&Surgeons of Chicago,S.C. | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Barry S. Herst is one of 692 ophthalmologists in Illinois
Ophthalmology is Dr. Herst's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Herst has a license on file in Illinois.
Specialties and state licenses
- Ophthalmology, Illinois
Ophthalmologists near Dr. Herst
Counts of ophthalmologists 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. Barry S. Herst billed Medicare for 720 services in 2024
CMS data shows 720 Medicare services from Dr. Herst across 10 procedure codes in 2024, for 458 Medicare patients. Medicare paid $47,099 for them. Every service was in an office.
Dr. Herst's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9072024: 40955%
- Office and hospital visits
- 2023: 3572024: 31113%
- Lab and pathology
- 2023: 762024: 0100%
- Surgery
- 2023: 162024: 0100%
Dr. Herst compared with the Illinois median for ophthalmologists, 2024
- Dr. Herst
- Illinois median
- Medicare services
- 720vs 1,54453% below
- Medicare patients
- 458vs 57721% below
- Part D claims
- 526vs 58210% below
Medians across 710 ophthalmologists in Illinois with Dmand AI profiles that report each measure.
Dr. Herst'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barry S. Herst treated 458 Medicare patients in 2024, average age 76
CMS counts 458 Medicare patients who saw Dr. Herst in 2024. The largest group is 65 to 74, with 222 patients. 75% of them have high cholesterol, and 65% have high blood pressure. 7% are also on Medicaid. Their average risk score is 0.99, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Herst's median patient age at 76, with 53% women.
Dr. Herst's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Herst's Medicare patients by sex, 2024
- Women27560%
- Men18340%
Chronic conditions among Dr. Herst's Medicare patients, 2024
- High cholesterol75%
- High blood pressure65%
- Arthritis45%
- Diabetes24%
- Ischemic heart disease21%
- Osteoporosis21%
- Mood disorders19%
- Anxiety18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Herst'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
- Women53%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Barry S. Herst wrote 622 Medicare Part D claims in 2024
In 2024, Dr. Herst wrote 622 Medicare Part D claims for 197 patients. 57% of them were for generic drugs. CMS names the drug for 526 of them, across 9 drugs with 11 or more claims each, at $70,822 in total drug cost. In 2023, CMS named 734 claims across 10 drugs.
Dr. Herst's Part D claims by kind of drug, 2024
- Generic355 claims57%
- Brand-name267 claims43%
Dr. Herst'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 Dr. Herst's Part D claims, 2024
- Antibiotics2%14 of 622 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: 7342024: 52628%
Drugs named by CMS: 9 in 2024, 10 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
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Dr. Barry S. Herst received $5,975 in industry payments from 2016 to 2025
CMS Open Payments shows 181 general payments to Dr. Herst from 28 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 72% of the total. Alcon Laboratories Inc paid the most, $1,748.
General payments to Dr. Herst by program year, 2016 to 2025
General payments to Dr. Herst by kind, 2016 to 2025
- Food and beverage$4,30272%
- Travel and lodging$90215%
- Consulting fees$75213%
- Gifts$190%
Companies that paid Dr. Herst the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Barry S. Herst graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Herst graduated from Loyola University of Chicago, Stritch School of Medicine in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Barry S. Herst'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 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) |
| 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 Dr. Barry S. Herst
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. Barry S. Herst's NPI number?
Dr. Barry S. Herst's NPI number is 1295809259. It was assigned on November 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barry S. Herst?
Dr. Barry S. Herst is an ophthalmologist in Chicago, Illinois. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Barry S. Herst practice?
Dr. Herst practices at 2845 N Sheridan Rd, Chicago, IL 60657. Dr. Herst's primary practice is Eye Physicians&Surgeons of Chicago,S.C. in Chicago, Illinois. Dmand AI also links Dr. Herst to 1 group practice or clinic and 1 medical group.
What is Dr. Barry S. Herst's office phone number?
The practice phone on file for Dr. Herst is (773) 525-8700.
Does Dr. Barry S. Herst accept Medicare?
Yes. CMS data shows Dr. Herst billed Medicare for 720 services in 2024.
How many Medicare patients does Dr. Barry S. Herst see?
CMS counts 458 Medicare patients who saw Dr. Herst in 2024, with an average age of 76.
What services does Dr. Barry S. Herst bill to Medicare?
In 2024, Dr. Herst's most billed Medicare services were office visit, established patient (99213), eye exam or test (92014) and eye exam or test (92133).
Where did Dr. Barry S. Herst go to medical school?
Dr. Herst graduated from Loyola University of Chicago, Stritch School of Medicine in 1977.
What drugs does Dr. Barry S. Herst prescribe most?
In 2024 Medicare Part D data, Dr. Herst's most prescribed drugs by claims were Latanoprost, Brimonidine Tartrate and Dorzolamide HCl.
Has Dr. Barry S. Herst received payments from drug or device companies?
CMS Open Payments shows $5,975 in general payments to Dr. Herst from 28 companies from 2016 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Barry S. Herst been practicing?
Dr. Herst graduated from medical school in 1977, 49 years ago.
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