Dr. Barbara E. Amsler, MD
- Medicare services, 2022
- 320
- Part D claims, 2022
- 27
- Industry payments
- $5,027
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 2971 W Algonquin Road, Algonquin, IL 60102
- Practice phone
- Call (847) 854-7711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Key Medical Group
Primary care practice · Algonquin, Illinois
Find Dr. Amsler'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. Barbara E. Amsler is an internist in Mchenry, Illinois
Dr. Amsler practices at Key Medical Group in Algonquin, Illinois.
Dr. Amsler's NPI, 1356351258, was assigned on August 9, 2006. Dr. Amsler graduated from University of Wisconsin-Madison in 1985. Dr. Amsler's Illinois license number on file is 036-073547.
- NPI
- 1356351258NPI Registry (opens in a new tab)
- NPI enumeration date
- August 9, 2006
- NPI status
- Active
- Practice phone
- (847) 854-7711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Barbara E. Amsler practices in Algonquin and Mchenry
Dr. Amsler's primary practice is Key Medical Group, at 2971 W Algonquin Road, Algonquin, IL 60102. The practice phone is (847) 854-7711. The NPI Registry lists Dr. Amsler's practice address as 4201 W Medical Center Dr, Mchenry, IL 60050.
- Key Medical GroupPrimary2971 W Algonquin Road, Algonquin, IL 60102Phone(847) 854-7711
- NPI Registry address4201 W Medical Center Dr, Mchenry, IL 60050 · Mchenry CountyPhone(815) 704-5433
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Barbara E. Amsler is affiliated with 2 sites of care and 1 medical group
Dr. Amsler's primary practice is Key Medical Group in Algonquin, Illinois. Dmand AI also links Dr. Amsler to 1 physician office and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Barbara E. Amsler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Amsler practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Key Medical Group | 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. Barbara E. Amsler is one of 5,652 internists in Illinois
Internal medicine is Dr. Amsler's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Amsler is board certified in internal medicine by the American Board of Internal Medicine. Dr. Amsler has a license on file in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Clinical focus
Dmand AI lists chronic diabetes and obesity among the conditions Dr. Amsler treats.
Internists near Dr. Amsler
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. Barbara E. Amsler billed Medicare for 320 services in 2022
CMS data shows 320 Medicare services from Dr. Amsler across 2 procedure codes in 2022. Medicare paid $6,486 for them. Every service was in an office.
Dr. Amsler's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 5172022: 17666%
- Other services
- 2021: 2392022: 14440%
Dr. Amsler compared with the Illinois median for internists, 2022
- Dr. Amsler
- Illinois median
- Medicare services
- 320vs 56643% below
- Part D claims
- 27vs 28490% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Amsler's most billed Medicare procedure codes, 2022
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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Amsler and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Barbara E. Amsler's patients have a median age of 77
Across all payers, Dmand AI patient panel data puts Dr. Amsler's median patient age at 77, with 79% women.
Dr. Amsler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 77
Patient panel by sex, all payers
- Women79%
- Men11%
Source: Dmand AI Patient Panel Data
Dr. Barbara E. Amsler wrote 27 Medicare Part D claims in 2022
In 2022, Dr. Amsler wrote 27 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $371 in total drug cost. In 2021, CMS named 1,959 claims across 44 drugs.
Dr. Amsler's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 1,9592022: 2799%
Drugs named by CMS: 2 in 2022, 44 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Barbara E. Amsler received $5,027 in industry payments from 2016 to 2020
CMS Open Payments shows 333 general payments to Dr. Amsler from 28 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 99% of the total. GlaxoSmithKline, LLC. paid the most, $840.
General payments to Dr. Amsler by program year, 2016 to 2020
General payments to Dr. Amsler by kind, 2016 to 2020
- Food and beverage$4,97499%
- Education$541%
Companies that paid Dr. Amsler the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Barbara E. Amsler graduated from University of Wisconsin-Madison
Dr. Amsler graduated from University of Wisconsin-Madison in 1985.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Barbara E. Amsler accepts plans from 3 insurance carriers
Dr. Amsler is in network with 3 carriers, including Aetna, Blue Cross and Blue Shield of Louisiana and United Healthcare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Aetna
- Blue Cross and Blue Shield of Louisiana
- United Healthcare
Plan types Dr. Amsler accepts, by number of carriers
- HMO2
- POS2
- EPO1
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Barbara E. Amsler'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 Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Barbara E. Amsler
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. Barbara E. Amsler's NPI number?
Dr. Barbara E. Amsler's NPI number is 1356351258. It was assigned on August 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Barbara E. Amsler?
Dr. Barbara E. Amsler is an internist in Mchenry, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Barbara E. Amsler practice?
Dr. Amsler practices at 2971 W Algonquin Road, Algonquin, IL 60102. Dr. Amsler also practices at 4201 W Medical Center Dr, Mchenry, IL 60050. Dr. Amsler's primary practice is Key Medical Group in Algonquin, Illinois. Dmand AI also links Dr. Amsler to 1 physician office and 1 medical group.
What is Dr. Barbara E. Amsler's office phone number?
The practice phone on file for Dr. Amsler is (847) 854-7711.
What is Dr. Barbara E. Amsler's medical license number?
Dr. Amsler's Illinois license number on file is 036-073547.
Does Dr. Barbara E. Amsler accept Medicare?
Yes. CMS data shows Dr. Amsler billed Medicare for 320 services in 2022.
Is Dr. Barbara E. Amsler board certified?
Yes. Dr. Amsler is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Barbara E. Amsler bill to Medicare?
In 2022, Dr. Amsler's most billed Medicare services were office visit, established patient (99211) and medicare service (G0447).
Where did Dr. Barbara E. Amsler go to medical school?
Dr. Amsler graduated from University of Wisconsin-Madison in 1985.
What drugs does Dr. Barbara E. Amsler prescribe most?
In 2022 Medicare Part D data, Dr. Amsler's most prescribed drugs by claims were Losartan Potassium and Levothyroxine Sodium.
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Has Dr. Barbara E. Amsler received payments from drug or device companies?
CMS Open Payments shows $5,027 in general payments to Dr. Amsler from 28 companies from 2016 to 2020. The largest total came from GlaxoSmithKline, LLC.
How long has Dr. Barbara E. Amsler been practicing?
Dr. Amsler graduated from medical school in 1985, 41 years ago.
What insurance does Dr. Barbara E. Amsler accept?
Dr. Amsler is in network with 3 carriers, including Aetna, Blue Cross and Blue Shield of Louisiana and United Healthcare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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