Dr. Frank Gerald Aguilar, MD
- Medicare services, 2024
- 462
- Medicare patients, 2024
- 195
- Part D claims, 2024
- 76
- MIPS score, 2024
- 95
- Hospital affiliations
- 1
- Practice address
- 675 N St Clair St, Chicago, IL 60611
- Practice phone
- Call (312) 695-0646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Chicago, Illinois
Find Dr. Aguilar's professional email, personal email and mobile number
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Dr. Frank Gerald Aguilar is a hospitalist in Chicago, Illinois
Dr. Aguilar practices at Northwestern Medical Group in Chicago, Illinois.
Dr. Aguilar's NPI, 1659802270, was assigned on March 24, 2017. Dr. Aguilar holds Illinois license 036151972.
- NPI
- 1659802270NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890126239
- NPI enumeration date
- March 24, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 695-0646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Frank Gerald Aguilar practices at Northwestern Medical Group in Chicago, Illinois
Dr. Aguilar's primary practice is Northwestern Medical Group, at 675 N St Clair St, Chicago, IL 60611 in Cook County. The practice phone is (312) 695-0646.
- Northwestern Medical Group675 N St Clair St, Chicago, IL 60611 · Cook CountyPhone(312) 695-0646
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Frank Gerald Aguilar is affiliated with 2 sites of care and 1 medical group
Dr. Aguilar's primary practice is Northwestern Medical Group in Chicago, Illinois. Dr. Aguilar is also affiliated with Northwestern Memorial Hospital. The medical group on file is Northwestern Medical Faculty Foundation.
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. Frank Gerald Aguilar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aguilar practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | 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. Frank Gerald Aguilar is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Aguilar's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Aguilar is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Aguilar
Counts of hospitalists 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. Frank Gerald Aguilar billed Medicare for 462 services in 2024
CMS data shows 462 Medicare services from Dr. Aguilar across 5 procedure codes in 2024, for 195 Medicare patients. Medicare paid $35,487 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Aguilar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5752024: 46220%
Dr. Aguilar compared with the Illinois median for hospitalists, 2024
- Dr. Aguilar
- Illinois median
- Medicare services
- 462vs 54315% below
- Medicare patients
- 195vs 24219% below
- Part D claims
- 13vs 5375% below
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
Dr. Aguilar'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. Frank Gerald Aguilar treated 195 Medicare patients in 2024, average age 74
CMS counts 195 Medicare patients who saw Dr. Aguilar in 2024. The largest group is 75 to 84, with 57 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 37% are also on Medicaid. Their average risk score is 2.76, 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. Aguilar's median patient age at 73, with 55% women.
Dr. Aguilar's Medicare patients by age, 2024
Dr. Aguilar's Medicare patients by sex, 2024
- Women10152%
- Men9448%
Chronic conditions among Dr. Aguilar's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis63%
- Ischemic heart disease60%
- Heart failure53%
- Chronic kidney disease52%
- Diabetes45%
- Anxiety42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Aguilar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women55%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Frank Gerald Aguilar wrote 76 Medicare Part D claims in 2024
In 2024, Dr. Aguilar wrote 76 Medicare Part D claims for 39 patients. 80% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $6,631 in total drug cost.
Dr. Aguilar's Part D claims by kind of drug, 2024
- Generic61 claims80%
- Brand-name15 claims20%
Dr. Aguilar's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. Frank Gerald Aguilar 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. Aguilar for performance year 2024, reported through an alternative payment model (APM). Dr. Aguilar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Aguilar's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Dr. Frank Gerald Aguilar'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Frank Gerald Aguilar
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. Frank Gerald Aguilar's NPI number?
Dr. Frank Gerald Aguilar's NPI number is 1659802270. It was assigned on March 24, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Frank Gerald Aguilar?
Dr. Frank Gerald Aguilar is a hospitalist in Chicago, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Frank Gerald Aguilar practice?
Dr. Aguilar practices at 675 N St Clair St, Chicago, IL 60611. Dr. Aguilar's primary practice is Northwestern Medical Group in Chicago, Illinois.
What is Dr. Frank Gerald Aguilar's office phone number?
The practice phone on file for Dr. Aguilar is (312) 695-0646.
What is Dr. Frank Gerald Aguilar's medical license number?
Dr. Aguilar holds Illinois license 036151972.
Which hospitals is Dr. Frank Gerald Aguilar affiliated with?
Dr. Aguilar is affiliated with Northwestern Memorial Hospital.
What medical group is Dr. Frank Gerald Aguilar part of?
Dr. Aguilar is linked to Northwestern Medical Faculty Foundation.
Does Dr. Frank Gerald Aguilar accept Medicare?
Yes. CMS data shows Dr. Aguilar billed Medicare for 462 services in 2024, and Dr. Aguilar accepts Medicare assignment.
What is Dr. Frank Gerald Aguilar's MIPS score?
Dr. Aguilar's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Frank Gerald Aguilar see?
CMS counts 195 Medicare patients who saw Dr. Aguilar in 2024, with an average age of 74.
Show 3 more questionsShow fewer questions
What services does Dr. Frank Gerald Aguilar bill to Medicare?
In 2024, Dr. Aguilar's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99233).
What drugs does Dr. Frank Gerald Aguilar prescribe most?
In 2021 Medicare Part D data, Dr. Aguilar's most prescribed drugs by claims were Eliquis.
How long has Dr. Frank Gerald Aguilar been practicing?
Dr. Aguilar graduated from medical school in 2017, 9 years ago.
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