Dr. Gagandeep S. Grewal, MD
- Medicare services, 2024
- 99
- Medicare patients, 2024
- 68
- Part D claims, 2024
- 79
- MIPS score, 2024
- 97
- Hospital affiliations
- 2
- Practice address
- 350 Terracina Blvd, Redlands, CA 92373
- Practice phone
- Call (909) 335-5500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grewal's professional email, personal email and mobile number
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Dr. Gagandeep S. Grewal is an emergency medicine physician in Redlands, California
Dr. Grewal practices at Redlands Community Hospital in Redlands, California, part of Redlands Community Hospital.
Dr. Grewal's NPI, 1285675314, was assigned on June 9, 2006. Dr. Grewal graduated from UC Davis School of Medicine in 1997. Dr. Grewal holds California license A68101.
- NPI
- 1285675314NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810930245
- NPI enumeration date
- June 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 335-5500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gagandeep S. Grewal practices at Redlands Community Hospital in Redlands, California
Dr. Grewal's primary practice is Redlands Community Hospital, at 350 Terracina Blvd, Redlands, CA 92373 in San Bernardino County. The practice phone is (909) 335-5500.
- Redlands Community Hospital350 Terracina Blvd, Redlands, CA 92373 · San Bernardino CountyPhone(909) 335-5500
Source: Dmand AI Affiliation Data
Dr. Gagandeep S. Grewal is affiliated with 2 sites of care and 2 medical groups
Dr. Grewal's primary practice is Redlands Community Hospital in Redlands, California, part of Redlands Community Hospital. Dr. Grewal is also affiliated with Orange County Global Medical Center. The medical group on file is Vituity. Dmand AI also links Dr. Grewal to 1 more medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gagandeep S. Grewal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Redlands Community Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Redlands Community Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Gagandeep S. Grewal is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Grewal's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Grewal is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Grewal is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Grewal
Counts of emergency medicine physicians 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 S. Grewal billed Medicare for 99 services in 2024
CMS data shows 99 Medicare services from Dr. Grewal across 2 procedure codes in 2024, for 68 Medicare patients. Medicare paid $7,553 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Grewal's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 232024: 52126%
- Tests and treatments
- 2023: 172024: 47176%
Dr. Grewal compared with the California median for emergency medicine physicians, 2024
- Dr. Grewal
- California median
- Medicare services
- 99vs 26563% below
- Medicare patients
- 68vs 24372% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Grewal'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. Gagandeep S. Grewal treated 68 Medicare patients in 2024, average age 74
CMS counts 68 Medicare patients who saw Dr. Grewal in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 54% are also on Medicaid. Their average risk score is 2.37, 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. Grewal's median patient age at 62, with 62% women.
Dr. Grewal's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grewal's Medicare patients by sex, 2024
- Women3551%
- Men3349%
Chronic conditions among Dr. Grewal's Medicare patients, 2024
- High blood pressure75%
- High cholesterol68%
- Diabetes56%
- Arthritis54%
- Heart failure43%
- Mood disorders41%
- Atrial fibrillation40%
- Chronic kidney disease37%
Share of Medicare patients with each condition. A patient can have several.
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 62
Patient panel by sex, all payers
- Women62%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gagandeep S. Grewal wrote 79 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 79 Medicare Part D claims for 50 patients. 92% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $45 in total drug cost. In 2018, CMS named 26 claims across 2 drugs.
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic73 claims92%
- Brand-name and other6 claims8%
Dr. Grewal'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. Grewal's Part D claims, 2024
- Opioids18%14 of 79 claims
- Antibiotics44%35 of 79 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, 2018 to 2024
- 2018
- 2024
- Claims for drugs CMS names
- 2018: 262024: 1158%
Drugs named by CMS: 1 in 2024, 2 in 2018.
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. Gagandeep S. Grewal scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Grewal for performance year 2024, reported as part of a group. Dr. Grewal accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Grewal's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
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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Dr. Gagandeep S. Grewal received $120 in industry payments from 2019 to 2025
CMS Open Payments shows 3 general payments to Dr. Grewal from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $53.
General payments to Dr. Grewal by program year, 2019 to 2025
Companies that paid Dr. Grewal the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gagandeep S. Grewal graduated from UC Davis School of Medicine
Dr. Grewal graduated from UC Davis School of Medicine in 1997.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Gagandeep S. Grewal accepts plans from 7 insurance carriers
Dr. Grewal is in network with 7 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
- United Healthcare
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- DentaQuest
- Elevance
- HCSC
Plan types Dr. Grewal accepts, by number of carriers
- PPO4
- Medicare2
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Gagandeep S. 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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 S. 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. Gagandeep S. Grewal's NPI number?
Dr. Gagandeep S. Grewal's NPI number is 1285675314. It was assigned on June 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gagandeep S. Grewal?
Dr. Gagandeep S. Grewal is an emergency medicine physician in Redlands, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Gagandeep S. Grewal practice?
Dr. Grewal practices at 350 Terracina Blvd, Redlands, CA 92373. Dr. Grewal's primary practice is Redlands Community Hospital in Redlands, California, part of Redlands Community Hospital. Dmand AI also links Dr. Grewal to 1 medical group.
What is Dr. Gagandeep S. Grewal's office phone number?
The practice phone on file for Dr. Grewal is (909) 335-5500.
What is Dr. Gagandeep S. Grewal's medical license number?
Dr. Grewal holds California license A68101.
Which hospitals is Dr. Gagandeep S. Grewal affiliated with?
Dr. Grewal practices at Redlands Community Hospital in Redlands, California. Dr. Grewal is also affiliated with Orange County Global Medical Center.
What medical group is Dr. Gagandeep S. Grewal part of?
Dr. Grewal is linked to Vituity. Dmand AI links Dr. Grewal to 1 more medical group.
Does Dr. Gagandeep S. Grewal accept Medicare?
Yes. CMS data shows Dr. Grewal billed Medicare for 99 services in 2024, and Dr. Grewal accepts Medicare assignment.
What is Dr. Gagandeep S. Grewal's MIPS score?
Dr. Grewal's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Gagandeep S. Grewal see?
CMS counts 68 Medicare patients who saw Dr. Grewal in 2024, with an average age of 74.
Show 7 more questionsShow fewer questions
Is Dr. Gagandeep S. Grewal board certified?
Yes. Dr. Grewal is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Gagandeep S. Grewal bill to Medicare?
In 2024, Dr. Grewal's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. Gagandeep S. Grewal go to medical school?
Dr. Grewal graduated from UC Davis School of Medicine in 1997.
What drugs does Dr. Gagandeep S. Grewal prescribe most?
In 2024 Medicare Part D data, Dr. Grewal's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Gagandeep S. Grewal received payments from drug or device companies?
CMS Open Payments shows $120 in general payments to Dr. Grewal from 3 companies from 2019 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Gagandeep S. Grewal been practicing?
Dr. Grewal graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Gagandeep S. Grewal accept?
Dr. Grewal is in network with 7 carriers, including United Healthcare, Aspirus Health Plan and Blue Cross and Blue Shield of Kansas City. PPO plans come from the most carriers, 4. Check the plan with the practice before a visit.
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