BMJ Open Respir Res
Coronary Artery DiseaseIdiopathic Pulmonary FibrosisLung
Dr. Louis N. Gerolemou, DO
NPI1104919323PAC ID5092811661
- Medicare services, 2024
- 309
- Medicare patients, 2024
- 166
- Part D claims, 2024
- 1,603
- Publications
- 6
- Hospital affiliations
- 1
- Practice address
- 121 Dekalb Avenue, Brooklyn, NY 11201
- Practice phone
- Call (718) 250-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Gerolemou's professional email, personal email and mobile number
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Dr. Louis N. Gerolemou is a pulmonologist in Brooklyn, New York
Dr. Gerolemou practices at The Brooklyn Hospital Center in Brooklyn, New York, part of The Brooklyn Hospital Center.
Dr. Gerolemou's NPI, 1104919323, was assigned on October 2, 2006. Dr. Gerolemou graduated from Nova Southeastern University - College of Osteopathic Medicine in 2003. Dr. Gerolemou holds New York license 240293.
NPI and contact details
- NPI
- 1104919323NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5092811661
- NPI enumeration date
- October 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (718) 250-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louis N. Gerolemou practices at The Brooklyn Hospital Center in Brooklyn, New York
Dr. Gerolemou's primary practice is The Brooklyn Hospital Center, at 121 Dekalb Avenue, Brooklyn, NY 11201 in Kings County. The practice phone is (718) 250-8000.
- The Brooklyn Hospital Center121 Dekalb Avenue, Brooklyn, NY 11201 · Kings CountyPhone(718) 250-8000
Source: Dmand AI Affiliation Data
Dr. Louis N. Gerolemou is affiliated with 1 site of care and 1 medical group
Dr. Gerolemou's primary practice is The Brooklyn Hospital Center in Brooklyn, New York, part of The Brooklyn Hospital Center. The medical group on file is The Brooklyn Hospital Center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Louis N. Gerolemou's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gerolemou practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Brooklyn Hospital Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louis N. Gerolemou is one of 1,056 pulmonologists in New York
Pulmonary disease is Dr. Gerolemou's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Gerolemou is licensed in New York.
Specialties and state licenses
- Pulmonary disease, New YorkPrimary
Pulmonologists near Dr. Gerolemou
Counts of pulmonologists 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. Louis N. Gerolemou billed Medicare for 309 services in 2024
CMS data shows 309 Medicare services from Dr. Gerolemou across 9 procedure codes in 2024, for 166 Medicare patients. Medicare paid $24,254 for them.
Medicare services, 2024309
Medicare patients166
Paid by Medicare$24,254
Procedure codes9
Dr. Gerolemou's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2062024: 23715%
- Tests and treatments
- 2023: 912024: 7221%
Where Dr. Gerolemou's Medicare services took place, 2024
- In an office7424%
- In a facility23576%
Dr. Gerolemou compared with the New York median for pulmonologists, 2024
- Dr. Gerolemou
- New York median
- Medicare services
- 309vs 67654% below
- Medicare patients
- 166vs 27039% below
- Part D claims
- 1,383vs 6442.1 times
Medians across 1,044 pulmonologists in New York with Dmand AI profiles that report each measure.
Dr. Gerolemou'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. Louis N. Gerolemou treated 166 Medicare patients in 2024, average age 73
CMS counts 166 Medicare patients who saw Dr. Gerolemou in 2024. The largest group is 65 to 74, with 75 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 60% are also on Medicaid. Their average risk score is 2.44, 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. Gerolemou's median patient age at 66, with 69% women.
Medicare patients, 2024166
Average age73
Average risk score2.44
Also on Medicaid60%
Dr. Gerolemou's Medicare patients by age, 2024
Dr. Gerolemou's Medicare patients by sex, 2024
- Women10865%
- Men5835%
Chronic conditions among Dr. Gerolemou's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes63%
- Arthritis49%
- COPD45%
- Ischemic heart disease42%
- Asthma38%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gerolemou's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women69%
- Men31%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louis N. Gerolemou wrote 1,603 Medicare Part D claims in 2024
In 2024, Dr. Gerolemou wrote 1,603 Medicare Part D claims for 180 patients. 42% of them were for generic drugs. CMS names the drug for 1,383 of them, across 23 drugs with 11 or more claims each, at $289,223 in total drug cost. In 2023, CMS named 1,290 claims across 27 drugs.
Part D claims, 20241,603
Drugs named by CMS23
Total drug cost$289,223
Part D patients180
Dr. Gerolemou's Part D claims by kind of drug, 2024
- Generic670 claims42%
- Brand-name933 claims58%
Dr. Gerolemou'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.
Drug classes CMS tracks in Dr. Gerolemou's Part D claims, 2024
- Antibiotics2%27 of 1,603 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1,2902024: 1,3837%
Drugs named by CMS: 23 in 2024, 27 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
How Dr. Louis N. Gerolemou takes part in Medicare
Dr. Gerolemou accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Louis N. Gerolemou has 6 publications on record
Dmand AI links 6 papers to Dr. Gerolemou, published from 2016 to 2024. Dr. Gerolemou has published most often in Cureus. Dr. Gerolemou's most frequent co-authors are Viswanath Parameswar Vasudevan, MD, Shogik Abramyan, MD and Farhad Arjomand, MD.
Papers6
Years published2016 to 2024
Dr. Gerolemou's papers by year, 2016 to 2024
Dr. Gerolemou's most frequent co-authors
- Viswanath Parameswar Vasudevan, MD3 shared papers
- Shogik Abramyan, MD1 shared paper
- Farhad Arjomand, MD1 shared paper
Recent publications by Dr. Gerolemou
See who Dr. Gerolemou researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Gerolemou works with, so you can find a warm path to the right pulmonologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Louis N. Gerolemou received $1,188 in industry payments from 2016 to 2025
CMS Open Payments shows 65 general payments to Dr. Gerolemou from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $347.
General payments to Dr. Gerolemou by program year, 2016 to 2025
General payments to Dr. Gerolemou by kind, 2016 to 2025
$1.2Kin total
- Food and beverage$1,17299%
- Education$161%
Companies that paid Dr. Gerolemou the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Louis N. Gerolemou graduated from Nova Southeastern University - College of Osteopathic Medicine
Dr. Gerolemou graduated from Nova Southeastern University - College of Osteopathic Medicine in 2003.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Louis N. Gerolemou'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 | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Louis N. Gerolemou
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. Louis N. Gerolemou's NPI number?
Dr. Louis N. Gerolemou's NPI number is 1104919323. It was assigned on October 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis N. Gerolemou?
Dr. Louis N. Gerolemou is a pulmonologist in Brooklyn, New York. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).
Where does Dr. Louis N. Gerolemou practice?
Dr. Gerolemou practices at 121 Dekalb Avenue, Brooklyn, NY 11201. Dr. Gerolemou's primary practice is The Brooklyn Hospital Center in Brooklyn, New York, part of The Brooklyn Hospital Center.
What is Dr. Louis N. Gerolemou's office phone number?
The practice phone on file for Dr. Gerolemou is (718) 250-8000.
What is Dr. Louis N. Gerolemou's medical license number?
Dr. Gerolemou holds New York license 240293.
Which hospitals is Dr. Louis N. Gerolemou affiliated with?
Dr. Gerolemou practices at The Brooklyn Hospital Center in Brooklyn, New York.
What medical group is Dr. Louis N. Gerolemou part of?
Dr. Gerolemou is linked to The Brooklyn Hospital Center.
Does Dr. Louis N. Gerolemou accept Medicare?
Yes. CMS data shows Dr. Gerolemou billed Medicare for 309 services in 2024, and Dr. Gerolemou accepts Medicare assignment.
How many Medicare patients does Dr. Louis N. Gerolemou see?
CMS counts 166 Medicare patients who saw Dr. Gerolemou in 2024, with an average age of 73.
What services does Dr. Louis N. Gerolemou bill to Medicare?
In 2024, Dr. Gerolemou's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99233) and critical care (99291).
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Where did Dr. Louis N. Gerolemou go to medical school?
Dr. Gerolemou graduated from Nova Southeastern University - College of Osteopathic Medicine in 2003.
What drugs does Dr. Louis N. Gerolemou prescribe most?
In 2024 Medicare Part D data, Dr. Gerolemou's most prescribed drugs by claims were Albuterol Sulfate Hfa, Trelegy Ellipta and Montelukast Sodium.
Has Dr. Louis N. Gerolemou received payments from drug or device companies?
CMS Open Payments shows $1,188 in general payments to Dr. Gerolemou from 14 companies from 2016 to 2025. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Louis N. Gerolemou been practicing?
Dr. Gerolemou graduated from medical school in 2003, 23 years ago.
Does Dr. Louis N. Gerolemou do research?
Dmand AI links 6 publications to Dr. Gerolemou, published from 2016 to 2024.
Who does Dr. Louis N. Gerolemou publish with?
Dr. Gerolemou's most frequent co-authors are Viswanath Parameswar Vasudevan, MD (3 shared papers), Shogik Abramyan, MD (1 shared paper) and Farhad Arjomand, MD (1 shared paper).
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