Dr. Sarbjot Grewal, MD
- Medicare services, 2023
- 709
- Part D claims, 2024
- 35
- Hospital affiliations
- 1
- Industry payments
- $336
- Medical groups
- 3
- Practice address
- 15005 Shady Grove Road Suite 200, Rockville, MD 20850
- Practice phone
- Call (301) 340-8099
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastrointestinal Endoscopy Associates
Surgery Center - Medicare-Certified · Rockville, Maryland
Find Dr. Grewal'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. Sarbjot Grewal is an internist in Rockville, Maryland
Dr. Grewal practices at Gastrointestinal Endoscopy Associates in Rockville, Maryland.
Dr. Grewal's NPI, 1043772437, was assigned on April 3, 2019. Dr. Grewal holds California license A179025.
- NPI
- 1043772437NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5597140848
- NPI enumeration date
- April 3, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (301) 340-8099
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sarbjot Grewal practices at Gastrointestinal Endoscopy Associates in Rockville, Maryland
Dr. Grewal's primary practice is Gastrointestinal Endoscopy Associates, at 15005 Shady Grove Road Suite 200, Rockville, MD 20850. The practice phone is (301) 340-8099.
- Gastrointestinal Endoscopy Associates15005 Shady Grove Road Suite 200, Rockville, MD 20850Phone(301) 340-8099
Source: Dmand AI Affiliation Data
Dr. Sarbjot Grewal is affiliated with 5 sites of care and 3 medical groups
Dr. Grewal's primary practice is Gastrointestinal Endoscopy Associates in Rockville, Maryland. Dr. Grewal is also affiliated with Sibley Memorial Hospital. The medical group on file is Johns Hopkins Community Physicians. Dmand AI also links Dr. Grewal to 2 more group practices and clinics, 2 medical groups and 1 ambulatory surgery center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sarbjot Grewal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastrointestinal Endoscopy Associates | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sarbjot Grewal is one of 3,320 internists in Maryland
Internal medicine is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Grewal is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Grewal
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. Sarbjot Grewal billed Medicare for 709 services in 2023
CMS data shows 709 Medicare services from Dr. Grewal across 5 procedure codes in 2023. Medicare paid $55,959 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grewal's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 5992023: 70918%
Dr. Grewal compared with the Maryland median for internists, 2023
- Dr. Grewal
- Maryland median
- Medicare services
- 709vs 6568% above
- Part D claims
- 37vs 30988% below
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Grewal's most billed Medicare procedure codes, 2023
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. Grewal and other internists in Maryland.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sarbjot Grewal's patients have a median age of 40
Across all payers, Dmand AI patient panel data puts Dr. Grewal's median patient age at 40, with 100% women.
Dr. Grewal's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Sarbjot Grewal wrote 35 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 35 Medicare Part D claims for 18 patients. 49% of them were for generic drugs. They cover 3 drugs, with $253 in total drug cost. In 2022, CMS named 42 claims across 3 drugs.
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic17 claims49%
- Brand-name18 claims51%
Dr. Grewal's most prescribed drugs by claims, 2023
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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 422023: 3712%
Drugs named by CMS: 3 in 2023, 3 in 2022.
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. Sarbjot Grewal takes part in Medicare
Dr. Grewal 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. Sarbjot Grewal received $336 in industry payments from 2023 to 2025
CMS Open Payments shows 8 general payments to Dr. Grewal from 4 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $141.
General payments to Dr. Grewal by program year, 2023 to 2025
Companies that paid Dr. Grewal the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sarbjot Grewal'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 Data |
| 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) |
| 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. Sarbjot Grewal
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. Sarbjot Grewal's NPI number?
Dr. Sarbjot Grewal's NPI number is 1043772437. It was assigned on April 3, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Sarbjot Grewal?
Dr. Sarbjot Grewal is an internist in Rockville, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Sarbjot Grewal practice?
Dr. Grewal practices at 15005 Shady Grove Road Suite 200, Rockville, MD 20850. Dr. Grewal's primary practice is Gastrointestinal Endoscopy Associates in Rockville, Maryland. Dmand AI also links Dr. Grewal to 2 group practices and clinics, 2 medical groups and 1 ambulatory surgery center.
What is Dr. Sarbjot Grewal's office phone number?
The practice phone on file for Dr. Grewal is (301) 340-8099.
What is Dr. Sarbjot Grewal's medical license number?
Dr. Grewal holds California license A179025.
Which hospitals is Dr. Sarbjot Grewal affiliated with?
Dr. Grewal is affiliated with Sibley Memorial Hospital.
What medical group is Dr. Sarbjot Grewal part of?
Dr. Grewal is linked to Johns Hopkins Community Physicians. Dmand AI links Dr. Grewal to 2 more medical groups.
Does Dr. Sarbjot Grewal accept Medicare?
Yes. CMS data shows Dr. Grewal billed Medicare for 709 services in 2023, and Dr. Grewal accepts Medicare assignment.
What services does Dr. Sarbjot Grewal bill to Medicare?
In 2023, Dr. Grewal's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Sarbjot Grewal prescribe most?
In 2023 Medicare Part D data, Dr. Grewal's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Furosemide.
Has Dr. Sarbjot Grewal received payments from drug or device companies?
CMS Open Payments shows $336 in general payments to Dr. Grewal from 4 companies from 2023 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Sarbjot Grewal been practicing?
Dr. Grewal graduated from medical school in 2018, 8 years ago.
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