Dr. Gagandeep Gill, MD
- Medicare services, 2024
- 1,718
- Medicare patients, 2024
- 525
- Part D claims, 2024
- 3,499
- Hospital affiliations
- 4
- Industry payments
- $3,416
- Practice address
- 267 E Main St, Smithtown, NY 11787
- Practice phone
- Call (631) 982-2022
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
The Marotta Center, Inc.
Smithtown, New York
Find Dr. Gill'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. Gagandeep Gill is an internist in Smithtown, New York
Dr. Gill practices at The Marotta Center, Inc. in Smithtown, New York.
Dr. Gill's NPI, 1558503219, was assigned on March 27, 2009. Dr. Gill graduated from St. George's University School of Medicine in 2009. Dr. Gill holds New York license 270751.
- NPI
- 1558503219NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991931933
- NPI enumeration date
- March 27, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (631) 982-2022
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gagandeep Gill practices at The Marotta Center, Inc. in Smithtown, New York
Dr. Gill's primary practice is The Marotta Center, Inc., at 267 E Main St, Smithtown, NY 11787 in Suffolk County. The practice phone is (631) 982-2022.
- The Marotta Center, Inc.267 E Main St, Smithtown, NY 11787 · Suffolk CountyPhone(631) 982-2022
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gagandeep Gill is affiliated with 10 sites of care and 1 medical group
Dr. Gill's primary practice is The Marotta Center, Inc. in Smithtown, New York. Dr. Gill is also affiliated with North Shore University Hospital. The medical group on file is Stony Brook Internists. Dmand AI also links Dr. Gill to 3 more hospitals, 4 home health agencies and 1 group practice or clinic, 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. Gagandeep Gill's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Gill practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The Marotta Center, Inc. | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Gagandeep Gill is one of 9,643 internists in New York
Internal medicine is Dr. Gill's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Gill is licensed in New York.
Specialties and state licenses
- Internal medicine, New YorkPrimary
Internists near Dr. Gill
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. Gagandeep Gill billed Medicare for 1,718 services in 2024
CMS data shows 1,718 Medicare services from Dr. Gill across 11 procedure codes in 2024, for 525 Medicare patients. Medicare paid $139,304 for them. Every service was in an office.
Dr. Gill's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,3342024: 1,50913%
- Tests and treatments
- 2023: 462024: 101120%
- Lab and pathology
- 2023: 1052024: 8915%
- Other services
- 2023: 192024: 19No change
Dr. Gill compared with the New York median for internists, 2024
- Dr. Gill
- New York median
- Medicare services
- 1,718vs 4264.0 times
- Medicare patients
- 525vs 1583.3 times
- Part D claims
- 2,891vs 6224.6 times
Medians across 9,428 internists in New York with Dmand AI profiles that report each measure.
Dr. Gill'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. Gill and other internists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gagandeep Gill treated 525 Medicare patients in 2024, average age 73
CMS counts 525 Medicare patients who saw Dr. Gill in 2024. The largest group is 65 to 74, with 262 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Gill's median patient age at 54, with 63% women.
Dr. Gill's Medicare patients by age, 2024
Dr. Gill's Medicare patients by sex, 2024
- Women34265%
- Men18335%
Chronic conditions among Dr. Gill's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis46%
- Ischemic heart disease38%
- Diabetes28%
- Anxiety22%
- Chronic kidney disease19%
- Cancer18%
Share of Medicare patients with each condition. A patient can have several.
Dr. Gill's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women63%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gagandeep Gill wrote 3,499 Medicare Part D claims in 2024
In 2024, Dr. Gill wrote 3,499 Medicare Part D claims for 498 patients. 89% of them were for generic drugs. CMS names the drug for 2,891 of them, across 68 drugs with 11 or more claims each, at $153,486 in total drug cost. In 2023, CMS named 2,509 claims across 62 drugs.
Dr. Gill's Part D claims by kind of drug, 2024
- Generic3,122 claims89%
- Brand-name352 claims10%
- Other25 claims1%
Dr. Gill'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. Gill's Part D claims, 2024
- Antibiotics4%140 of 3,499 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: 2,5092024: 2,89115%
Drugs named by CMS: 68 in 2024, 62 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. Gagandeep Gill takes part in Medicare
Dr. Gill 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. Gagandeep Gill received $3,416 in industry payments from 2016 to 2025
CMS Open Payments shows 165 general payments to Dr. Gill from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. The Medicines Company paid the most, $852.
General payments to Dr. Gill by program year, 2016 to 2025
General payments to Dr. Gill by kind, 2016 to 2025
- Food and beverage$3,411100%
- Education$50%
Companies that paid Dr. Gill 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. Gagandeep Gill graduated from St. George's University School of Medicine
Dr. Gill graduated from St. George's University School of Medicine in 2009.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gagandeep Gill'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) |
| 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. Gagandeep Gill
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. Gagandeep Gill's NPI number?
Dr. Gagandeep Gill's NPI number is 1558503219. It was assigned on March 27, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Gagandeep Gill?
Dr. Gagandeep Gill is an internist in Smithtown, New York. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Gagandeep Gill practice?
Dr. Gill practices at 267 E Main St, Smithtown, NY 11787. Dr. Gill's primary practice is The Marotta Center, Inc. in Smithtown, New York. Dmand AI also links Dr. Gill to 3 hospitals, 4 home health agencies and 1 group practice or clinic.
What is Dr. Gagandeep Gill's office phone number?
The practice phone on file for Dr. Gill is (631) 982-2022.
What is Dr. Gagandeep Gill's medical license number?
Dr. Gill holds New York license 270751.
Which hospitals is Dr. Gagandeep Gill affiliated with?
Dr. Gill is affiliated with North Shore University Hospital. Dmand AI links Dr. Gill to 3 more hospitals.
What medical group is Dr. Gagandeep Gill part of?
Dr. Gill is linked to Stony Brook Internists.
Does Dr. Gagandeep Gill accept Medicare?
Yes. CMS data shows Dr. Gill billed Medicare for 1,718 services in 2024, and Dr. Gill accepts Medicare assignment.
How many Medicare patients does Dr. Gagandeep Gill see?
CMS counts 525 Medicare patients who saw Dr. Gill in 2024, with an average age of 73.
What services does Dr. Gagandeep Gill bill to Medicare?
In 2024, Dr. Gill's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and heart test or procedure (93000).
Show 4 more questionsShow fewer questions
Where did Dr. Gagandeep Gill go to medical school?
Dr. Gill graduated from St. George's University School of Medicine in 2009.
What drugs does Dr. Gagandeep Gill prescribe most?
In 2024 Medicare Part D data, Dr. Gill's most prescribed drugs by claims were Rosuvastatin Calcium, Atorvastatin Calcium and Amlodipine Besylate.
Has Dr. Gagandeep Gill received payments from drug or device companies?
CMS Open Payments shows $3,416 in general payments to Dr. Gill from 29 companies from 2016 to 2025. The largest total came from The Medicines Company.
How long has Dr. Gagandeep Gill been practicing?
Dr. Gill graduated from medical school in 2009, 17 years ago.
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