Dr. Claudia Margaret Fegan, MD
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 14
- Part D claims, 2024
- 379
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 1901 W Harrison St, Chicago, IL 60612
- Practice phone
- Call (312) 864-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
John H Stroger Hospital of Cook County
Chicago, Illinois
Find Dr. Fegan's professional email, personal email and mobile number
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Dr. Claudia Margaret Fegan is an internist in Chicago, Illinois
Dr. Fegan practices at John H Stroger Hospital of Cook County in Chicago, Illinois.
Dr. Fegan's NPI, 1932211091, was assigned on August 31, 2006. Dr. Fegan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1982. Dr. Fegan holds Illinois license 036067804.
- NPI
- 1932211091NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (312) 864-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 70
- Medical school graduation
- 1982
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Claudia Margaret Fegan practices at John H Stroger Hospital of Cook County in Chicago, Illinois
Dr. Fegan's primary practice is John H Stroger Hospital of Cook County, at 1901 W Harrison St, Chicago, IL 60612 in Cook County. The practice phone is (312) 864-6000.
- John H Stroger Hospital of Cook County1901 W Harrison St, Chicago, IL 60612 · Cook CountyPhone(312) 864-6000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Claudia Margaret Fegan is affiliated with 2 sites of care and 1 medical group
Dr. Fegan's primary practice is John H Stroger Hospital of Cook County in Chicago, Illinois. Dr. Fegan is also affiliated with John H. Stroger, Jr. Hospital of Cook County. The medical group on file is John H. Stroger, Jr. Hospital of Cook County.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Claudia Margaret Fegan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fegan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| John H Stroger Hospital of Cook County | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Claudia Margaret Fegan is one of 5,652 internists in Illinois
Internal medicine is Dr. Fegan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fegan is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Fegan
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. Claudia Margaret Fegan billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Dr. Fegan across 1 procedure code in 2024, all of them office visits, for 14 Medicare patients. Medicare paid $1,698 for them. Every service was in an office.
Dr. Fegan's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 292024: 283%
Dr. Fegan compared with the Illinois median for internists, 2024
- Dr. Fegan
- Illinois median
- Medicare services
- 28vs 56695% below
- Medicare patients
- 14vs 20893% below
- Part D claims
- 182vs 28436% below
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Fegan'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. Claudia Margaret Fegan treated 14 Medicare patients in 2024, average age 73
CMS counts 14 Medicare patients who saw Dr. Fegan in 2024. 75% of them have high blood pressure. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fegan's median patient age at 70, with 57% women.
Chronic conditions among Dr. Fegan's Medicare patients, 2024
- High blood pressure75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fegan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Claudia Margaret Fegan wrote 379 Medicare Part D claims in 2024
In 2024, Dr. Fegan wrote 379 Medicare Part D claims for 36 patients. 92% of them were for generic drugs. CMS names the drug for 182 of them, across 9 drugs with 11 or more claims each, at $2,880 in total drug cost. In 2023, CMS named 351 claims across 18 drugs.
Dr. Fegan's Part D claims by kind of drug, 2024
- Generic348 claims92%
- Brand-name and other31 claims8%
Dr. Fegan'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: 3512024: 18248%
Drugs named by CMS: 9 in 2024, 18 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. Claudia Margaret Fegan scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Fegan for performance year 2024, reported as part of a group.
Dr. Fegan's MIPS scores, performance year 2024
- 95of 100Final score
- 74.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 85of 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. Claudia Margaret Fegan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb)
Dr. Fegan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1982.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Claudia Margaret Fegan'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 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) |
| 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. Claudia Margaret Fegan
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. Claudia Margaret Fegan's NPI number?
Dr. Claudia Margaret Fegan's NPI number is 1932211091. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Claudia Margaret Fegan?
Dr. Claudia Margaret Fegan is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Claudia Margaret Fegan practice?
Dr. Fegan practices at 1901 W Harrison St, Chicago, IL 60612. Dr. Fegan's primary practice is John H Stroger Hospital of Cook County in Chicago, Illinois.
What is Dr. Claudia Margaret Fegan's office phone number?
The practice phone on file for Dr. Fegan is (312) 864-6000.
What is Dr. Claudia Margaret Fegan's medical license number?
Dr. Fegan holds Illinois license 036067804.
Which hospitals is Dr. Claudia Margaret Fegan affiliated with?
Dr. Fegan is affiliated with John H. Stroger, Jr. Hospital of Cook County.
What medical group is Dr. Claudia Margaret Fegan part of?
Dr. Fegan is linked to John H. Stroger, Jr. Hospital of Cook County.
Does Dr. Claudia Margaret Fegan accept Medicare?
Yes. CMS data shows Dr. Fegan billed Medicare for 28 services in 2024.
What is Dr. Claudia Margaret Fegan's MIPS score?
Dr. Fegan's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.
How many Medicare patients does Dr. Claudia Margaret Fegan see?
CMS counts 14 Medicare patients who saw Dr. Fegan in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Dr. Claudia Margaret Fegan bill to Medicare?
In 2024, Dr. Fegan's most billed Medicare services were office visit, established patient (99214).
Where did Dr. Claudia Margaret Fegan go to medical school?
Dr. Fegan graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1982.
What drugs does Dr. Claudia Margaret Fegan prescribe most?
In 2024 Medicare Part D data, Dr. Fegan's most prescribed drugs by claims were Atorvastatin Calcium, Hydrochlorothiazide and Nifedipine ER.
How long has Dr. Claudia Margaret Fegan been practicing?
Dr. Fegan graduated from medical school in 1982, 44 years ago.
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