Dr. Susan Felsenthal, MD
- Medicare services, 2017
- 137
- Part D claims, 2024
- 43
- Hospital affiliations
- 1
- Medical groups
- 2
- State licenses
- 2
- Practice address
- 1324 North Sheridan Road, Waukegan, IL 60085
- Practice phone
- Call (847) 360-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Felsenthal'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. Susan Felsenthal is an internist in Waukegan, Illinois
Dr. Felsenthal practices at Vista Medical Center East in Waukegan, Illinois, part of American Healthcare Systems.
Dr. Felsenthal's NPI, 1437264512, was assigned on August 20, 2006. Dr. Felsenthal holds Wisconsin license 47419.
- NPI
- 1437264512NPI Registry (opens in a new tab)
- NPI enumeration date
- August 20, 2006
- NPI status
- Active
- Practice phone
- (847) 360-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Susan Felsenthal practices at Vista Medical Center East in Waukegan, Illinois
Dr. Felsenthal's primary practice is Vista Medical Center East, at 1324 North Sheridan Road, Waukegan, IL 60085 in Lake County. The practice phone is (847) 360-3000.
- Vista Medical Center East1324 North Sheridan Road, Waukegan, IL 60085 · Lake CountyPhone(847) 360-3000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Susan Felsenthal is affiliated with 1 site of care and 2 medical groups
Dr. Felsenthal's primary practice is Vista Medical Center East in Waukegan, Illinois, part of American Healthcare Systems. The medical group on file is Vista Physician Group. Dmand AI also links Dr. Felsenthal to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Susan Felsenthal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Felsenthal practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vista Medical Center East | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Susan Felsenthal is one of 5,652 internists in Illinois
Internal medicine is Dr. Felsenthal's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Felsenthal's licenses on file in 2 states: Wisconsin and Illinois.
Specialties and state licenses
- Internal medicine, WisconsinPrimary
- Illinois license
Internists near Dr. Felsenthal
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. Susan Felsenthal billed Medicare for 137 services in 2017
CMS data shows 137 Medicare services from Dr. Felsenthal across 3 procedure codes in 2017, all of them office visits. Medicare paid $5,782 for them. Every service was in an office.
Dr. Felsenthal's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1612017: 13715%
Dr. Felsenthal compared with the Illinois median for internists, 2017
- Dr. Felsenthal
- Illinois median
- Medicare services
- 137vs 56676% below
- Part D claims
- 11vs 28496% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Felsenthal's most billed Medicare procedure codes, 2017
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. Susan Felsenthal's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Felsenthal's median patient age at 64, with 56% women.
Dr. Felsenthal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
Dr. Susan Felsenthal wrote 43 Medicare Part D claims in 2024
In 2024, Dr. Felsenthal wrote 43 Medicare Part D claims. 88% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $19 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Felsenthal's Part D claims by kind of drug, 2024
- Generic38 claims88%
- Brand-name and other5 claims12%
Dr. Felsenthal'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: 492024: 1178%
Drugs named by CMS: 1 in 2024, 3 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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Sources for Dr. Susan Felsenthal'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| 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) |
| 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. Susan Felsenthal
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. Susan Felsenthal's NPI number?
Dr. Susan Felsenthal's NPI number is 1437264512. It was assigned on August 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Susan Felsenthal?
Dr. Susan Felsenthal is an internist in Waukegan, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Susan Felsenthal practice?
Dr. Felsenthal practices at 1324 North Sheridan Road, Waukegan, IL 60085. Dr. Felsenthal's primary practice is Vista Medical Center East in Waukegan, Illinois, part of American Healthcare Systems. Dmand AI also links Dr. Felsenthal to 1 medical group.
What is Dr. Susan Felsenthal's office phone number?
The practice phone on file for Dr. Felsenthal is (847) 360-3000.
What is Dr. Susan Felsenthal's medical license number?
Dr. Felsenthal holds Wisconsin license 47419, one of the licenses on file in 2 states.
Which states has Dr. Susan Felsenthal been licensed in?
Dmand AI has state licenses on file for Dr. Felsenthal in Wisconsin and Illinois.
Which hospitals is Dr. Susan Felsenthal affiliated with?
Dr. Felsenthal practices at Vista Medical Center East in Waukegan, Illinois.
What medical group is Dr. Susan Felsenthal part of?
Dr. Felsenthal is linked to Vista Physician Group. Dmand AI links Dr. Felsenthal to 1 more medical group.
Does Dr. Susan Felsenthal accept Medicare?
Yes. CMS data shows Dr. Felsenthal billed Medicare for 137 services in 2017.
What services does Dr. Susan Felsenthal bill to Medicare?
In 2017, Dr. Felsenthal's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and office visit, established patient (99212).
What drugs does Dr. Susan Felsenthal prescribe most?
In 2024 Medicare Part D data, Dr. Felsenthal's most prescribed drugs by claims were Losartan Potassium.
How long has Dr. Susan Felsenthal been practicing?
Dr. Felsenthal's NPI was assigned in 2006.
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