Dr. Louis D. May, MD
- Medicare services, 2024
- 1,082
- Medicare patients, 2024
- 611
- Part D claims, 2024
- 1,557
- MIPS score, 2024
- 25
- Hospital affiliations
- 2
- Practice address
- 765 Nostrand Ave, Brooklyn, NY 11216
- Practice phone
- Call (718) 433-0044
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Omnicare Anesthesia
Brooklyn, New York
Find Dr. May'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. Louis D. May is a gastroenterologist in Brooklyn, New York
Dr. May practices at Omnicare Anesthesia in Brooklyn, New York.
Dr. May's NPI, 1164426987, was assigned on June 9, 2005. Dr. May graduated from University of Miami Leonard M. Miller School of Medicine in 1978. Dr. May holds New York license 153768.
- NPI
- 1164426987NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9830285899
- NPI enumeration date
- June 9, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (718) 433-0044
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louis D. May practices at Omnicare Anesthesia in Brooklyn, New York
Dr. May's primary practice is Omnicare Anesthesia, at 765 Nostrand Ave, Brooklyn, NY 11216 in Kings County. The practice phone is (718) 433-0044.
- Omnicare Anesthesia765 Nostrand Ave, Brooklyn, NY 11216 · Kings CountyPhone(718) 433-0044
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Louis D. May is affiliated with 8 sites of care and 6 medical groups
Dr. May's primary practice is Omnicare Anesthesia in Brooklyn, New York. Dr. May is also affiliated with Good Samaritan Hospital. The medical group on file is Gastrointestinal Care of Long Island. Dmand AI also links Dr. May to 1 more hospital, 5 group practices and clinics and 5 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Louis D. May's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. May practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Omnicare Anesthesia | Available with a free account |
| +7 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louis D. May is one of 1,583 gastroenterologists in New York
Gastroenterology is Dr. May's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. May is licensed in New York.
Specialties and state licenses
- Gastroenterology, New YorkPrimary
Gastroenterologists near Dr. May
Counts of gastroenterologists 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 D. May billed Medicare for 1,082 services in 2024
CMS data shows 1,082 Medicare services from Dr. May across 17 procedure codes in 2024, for 611 Medicare patients. Medicare paid $160,249 for them.
Dr. May's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7242024: 64711%
- Surgery
- 2023: 4142024: 36312%
- Lab and pathology
- 2023: 02024: 35
- Imaging
- 2023: 02024: 24
- Other services
- 2023: 02024: 13
- Tests and treatments
- 2023: 162024: 0100%
Where Dr. May's Medicare services took place, 2024
- In an office82276%
- In a facility26024%
Dr. May compared with the New York median for gastroenterologists, 2024
- Dr. May
- New York median
- Medicare services
- 1,082vs 4212.6 times
- Medicare patients
- 611vs 2362.6 times
- Part D claims
- 1,365vs 3823.6 times
Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.
Dr. May'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. May and other gastroenterologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louis D. May treated 611 Medicare patients in 2024, average age 75
CMS counts 611 Medicare patients who saw Dr. May in 2024. The largest group is 65 to 74, with 248 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.69, 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. May's median patient age at 64, with 45% women.
Dr. May's Medicare patients by age, 2024
Dr. May's Medicare patients by sex, 2024
- Women30951%
- Men30249%
Chronic conditions among Dr. May's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease42%
- Diabetes38%
- Anxiety27%
- Mood disorders27%
- Atrial fibrillation25%
Share of Medicare patients with each condition. A patient can have several.
Dr. May'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
- Women45%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louis D. May wrote 1,557 Medicare Part D claims in 2024
In 2024, Dr. May wrote 1,557 Medicare Part D claims for 513 patients. 88% of them were for generic drugs. CMS names the drug for 1,365 of them, across 20 drugs with 11 or more claims each, at $200,237 in total drug cost. In 2023, CMS named 1,330 claims across 18 drugs.
Dr. May's Part D claims by kind of drug, 2024
- Generic1,370 claims88%
- Brand-name and other187 claims12%
Dr. May'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. May's Part D claims, 2024
- Antibiotics6%99 of 1,557 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: 1,3302024: 1,3653%
Drugs named by CMS: 20 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. Louis D. May scored 25 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 25 out of 100 for Dr. May for performance year 2024, reported individually. Dr. May accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. May as offering telehealth. CMS counts 146 procedures of colonoscopy by Dr. May, more than 88% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. May's MIPS scores, performance year 2024
- 25of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 82of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. May ranks in Medicare procedure volume
- Colonoscopy
- 88th percentile146 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 78th percentile110 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Louis D. May received $3,820 in industry payments from 2016 to 2025
CMS Open Payments shows 195 general payments to Dr. May from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $927.
General payments to Dr. May by program year, 2016 to 2025
General payments to Dr. May by kind, 2016 to 2025
- Food and beverage$3,78099%
- Speaker and faculty fees$201%
- Grants$201%
Companies that paid Dr. May 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 D. May graduated from University of Miami Leonard M. Miller School of Medicine
Dr. May graduated from University of Miami Leonard M. Miller School of Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Louis D. May'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 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)Doctors and Clinicians Utilization Data (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 |
| 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 D. May
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 D. May's NPI number?
Dr. Louis D. May's NPI number is 1164426987. It was assigned on June 9, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis D. May?
Dr. Louis D. May is a gastroenterologist in Brooklyn, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Louis D. May practice?
Dr. May practices at 765 Nostrand Ave, Brooklyn, NY 11216. Dr. May's primary practice is Omnicare Anesthesia in Brooklyn, New York. Dmand AI also links Dr. May to 1 hospital, 5 group practices and clinics and 5 medical groups.
What is Dr. Louis D. May's office phone number?
The practice phone on file for Dr. May is (718) 433-0044.
What is Dr. Louis D. May's medical license number?
Dr. May holds New York license 153768.
Which hospitals is Dr. Louis D. May affiliated with?
Dr. May is affiliated with Good Samaritan Hospital. Dmand AI links Dr. May to 1 more hospital.
What medical group is Dr. Louis D. May part of?
Dr. May is linked to Gastrointestinal Care of Long Island. Dmand AI links Dr. May to 5 more medical groups.
Does Dr. Louis D. May accept Medicare?
Yes. CMS data shows Dr. May billed Medicare for 1,082 services in 2024, and Dr. May accepts Medicare assignment.
Does Dr. Louis D. May offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. May as offering telehealth services.
What is Dr. Louis D. May's MIPS score?
Dr. May's MIPS final score for performance year 2024 is 25 out of 100, reported individually.
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How many Medicare patients does Dr. Louis D. May see?
CMS counts 611 Medicare patients who saw Dr. May in 2024, with an average age of 75.
What services does Dr. Louis D. May bill to Medicare?
In 2024, Dr. May's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and surgery: digestive system (43239).
Where did Dr. Louis D. May go to medical school?
Dr. May graduated from University of Miami Leonard M. Miller School of Medicine in 1978.
What drugs does Dr. Louis D. May prescribe most?
In 2024 Medicare Part D data, Dr. May's most prescribed drugs by claims were Famotidine, Omeprazole and Pantoprazole Sodium.
Has Dr. Louis D. May received payments from drug or device companies?
CMS Open Payments shows $3,820 in general payments to Dr. May from 24 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Louis D. May been practicing?
Dr. May graduated from medical school in 1978, 48 years ago.
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