Dr. Alan E. Esker, MD
- Medicare services, 2024
- 34
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 1,039
- MIPS score, 2024
- 87
- Hospital affiliations
- 1
- Practice address
- 1045 West Stephenson Street, Freeport, IL 61032
- Practice phone
- Call (815) 599-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Esker'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. Alan E. Esker is an internist in Freeport, Illinois
Dr. Esker practices at Mercyhealth Hospital-Freeport in Freeport, Illinois, part of Mercyhealth.
Dr. Esker's NPI, 1831159698, was assigned on March 24, 2006. Dr. Esker graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983. Dr. Esker holds Illinois license 036-72602.
- NPI
- 1831159698NPI Registry (opens in a new tab)
- NPI enumeration date
- March 24, 2006
- NPI status
- Active
- Practice phone
- (815) 599-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 69
- Medical school graduation
- 1983
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Alan E. Esker practices at Mercyhealth Hospital-Freeport in Freeport, Illinois
Dr. Esker's primary practice is Mercyhealth Hospital-Freeport, at 1045 West Stephenson Street, Freeport, IL 61032 in Stephenson County. The practice phone is (815) 599-6000.
- Mercyhealth Hospital-Freeport1045 West Stephenson Street, Freeport, IL 61032 · Stephenson CountyPhone(815) 599-6000
Source: Dmand AI Affiliation Data
Dr. Alan E. Esker is affiliated with 3 sites of care and 2 medical groups
Dr. Esker's primary practice is Mercyhealth Hospital-Freeport in Freeport, Illinois, part of Mercyhealth. The medical group on file is Mercyhealth Hospital-Freeport. Dmand AI also links Dr. Esker to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Esker's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Alan E. Esker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Esker practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercyhealth Hospital-Freeport | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Alan E. Esker is one of 5,652 internists in Illinois
Internal medicine is Dr. Esker's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Esker is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Esker
Counts of internists 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. Alan E. Esker billed Medicare for 34 services in 2024
CMS data shows 34 Medicare services from Dr. Esker across 2 procedure codes in 2024, for 40 Medicare patients. Medicare paid $3,555 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Esker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1922024: 3482%
Dr. Esker compared with the Illinois median for internists, 2024
- Dr. Esker
- Illinois median
- Medicare services
- 34vs 56694% below
- Medicare patients
- 40vs 20881% below
- Part D claims
- 867vs 2843.1 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Esker'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 Dr. Esker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Esker and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Alan E. Esker treated 40 Medicare patients in 2024, average age 77
CMS counts 40 Medicare patients who saw Dr. Esker in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have high blood pressure, and 73% have high cholesterol. Their average risk score is 1.93, 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. Esker's median patient age at 87, with 55% women.
Dr. Esker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Esker's Medicare patients by sex, 2024
- Women2153%
- Men1948%
Chronic conditions among Dr. Esker's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Arthritis50%
- Anxiety45%
- Chronic kidney disease40%
- Atrial fibrillation38%
- Heart failure38%
- Ischemic heart disease35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Esker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 87
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Alan E. Esker wrote 1,039 Medicare Part D claims in 2024
In 2024, Dr. Esker wrote 1,039 Medicare Part D claims for 32 patients. 92% of them were for generic drugs. CMS names the drug for 867 of them, across 35 drugs with 11 or more claims each, at $37,077 in total drug cost. In 2023, CMS named 2,842 claims across 77 drugs.
Dr. Esker's Part D claims by kind of drug, 2024
- Generic956 claims92%
- Brand-name83 claims8%
Dr. Esker'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,8422024: 86769%
Drugs named by CMS: 35 in 2024, 77 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
Dr. Alan E. Esker scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Dr. Esker for performance year 2024, reported as part of a group.
Dr. Esker's MIPS scores, performance year 2024
- 87of 100Final score
- 86.2of 100Quality
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Alan E. Esker received $561 in industry payments from 2016 to 2024
CMS Open Payments shows 27 general payments to Dr. Esker from 5 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $312.
General payments to Dr. Esker by program year, 2016 to 2024
Companies that paid Dr. Esker the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Alan E. Esker graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Esker graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Alan E. Esker'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 | Clinician Public Reporting: Overall MIPS Performance (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. Alan E. Esker
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. Alan E. Esker's NPI number?
Dr. Alan E. Esker's NPI number is 1831159698. It was assigned on March 24, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Alan E. Esker?
Dr. Alan E. Esker is an internist in Freeport, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Alan E. Esker practice?
Dr. Esker practices at 1045 West Stephenson Street, Freeport, IL 61032. Dr. Esker's primary practice is Mercyhealth Hospital-Freeport in Freeport, Illinois, part of Mercyhealth. Dmand AI also links Dr. Esker to 2 group practices and clinics and 1 medical group.
What is Dr. Alan E. Esker's office phone number?
The practice phone on file for Dr. Esker is (815) 599-6000.
What is Dr. Alan E. Esker's medical license number?
Dr. Esker holds Illinois license 036-72602.
Which hospitals is Dr. Alan E. Esker affiliated with?
Dr. Esker practices at Mercyhealth Hospital-Freeport in Freeport, Illinois.
What medical group is Dr. Alan E. Esker part of?
Dr. Esker is linked to Mercyhealth Hospital-Freeport. Dmand AI links Dr. Esker to 1 more medical group.
Does Dr. Alan E. Esker accept Medicare?
Yes. CMS data shows Dr. Esker billed Medicare for 34 services in 2024.
What is Dr. Alan E. Esker's MIPS score?
Dr. Esker's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Dr. Alan E. Esker see?
CMS counts 40 Medicare patients who saw Dr. Esker in 2024, with an average age of 77.
Show 5 more questionsShow fewer questions
What services does Dr. Alan E. Esker bill to Medicare?
In 2024, Dr. Esker's most billed Medicare services were hospital inpatient care (99222) and hospital inpatient care (99223).
Where did Dr. Alan E. Esker go to medical school?
Dr. Esker graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1983.
What drugs does Dr. Alan E. Esker prescribe most?
In 2024 Medicare Part D data, Dr. Esker's most prescribed drugs by claims were Furosemide, Pantoprazole Sodium and Amlodipine Besylate.
Has Dr. Alan E. Esker received payments from drug or device companies?
CMS Open Payments shows $561 in general payments to Dr. Esker from 5 companies from 2016 to 2024. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Alan E. Esker been practicing?
Dr. Esker graduated from medical school in 1983, 43 years ago.
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