J Investig Med High Impact Case Rep
Dr. Kulraj Singh Grewal, MD
- Part D claims, 2024
- 3,717
- Publications
- 2
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Practice address
- 300 Prosperity Blvd, Chowchilla, CA 93610
- Practice phone
- Call (559) 665-1400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chowchilla Health Center
FQHC - Main Site · Chowchilla, California
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. Kulraj Singh Grewal is an internist in Chowchilla, California
Dr. Grewal practices at Chowchilla Health Center in Chowchilla, California.
Dr. Grewal's NPI, 1033775812, was assigned on May 16, 2019. Dr. Grewal holds California license A185698.
- NPI
- 1033775812NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012372485
- NPI enumeration date
- May 16, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (559) 665-1400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- 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. Kulraj Singh Grewal practices at Chowchilla Health Center in Chowchilla, California
Dr. Grewal's primary practice is Chowchilla Health Center, at 300 Prosperity Blvd, Chowchilla, CA 93610 in Madera County. The practice phone is (559) 665-1400.
- Chowchilla Health Center300 Prosperity Blvd, Chowchilla, CA 93610 · Madera CountyPhone(559) 665-1400
Source: Dmand AI Affiliation Data
Dr. Kulraj Singh Grewal is affiliated with 9 sites of care and 2 medical groups
Dr. Grewal's primary practice is Chowchilla Health Center in Chowchilla, California. Dr. Grewal is also affiliated with Saint Agnes Medical Center. The medical group on file is Camarena Health. Dmand AI also links Dr. Grewal to 5 more home health agencies, 1 community health center, 1 other site and 1 medical group, 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. Kulraj Singh Grewal's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grewal practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chowchilla Health Center | Available with a free account |
| +8 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kulraj Singh Grewal is one of 16,751 internists in California
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. Kulraj Singh Grewal's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Dr. Grewal's median patient age at 70, with 53% 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 70
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. Kulraj Singh Grewal wrote 3,717 Medicare Part D claims in 2024
In 2024, Dr. Grewal wrote 3,717 Medicare Part D claims for 335 patients. 82% of them were for generic drugs. CMS names the drug for 3,013 of them, across 79 drugs with 11 or more claims each, at $304,987 in total drug cost. In 2023, CMS named 213 claims across 12 drugs.
Dr. Grewal's Part D claims by kind of drug, 2024
- Generic3,062 claims82%
- Brand-name612 claims16%
- Other43 claims1%
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
- Opioids3%120 of 3,717 claims
- Antibiotics3%96 of 3,717 claims
- Antipsychotics, patients 65 and over0%14 of 3,717 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: 2132024: 3,0131315%
Drugs named by CMS: 79 in 2024, 12 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. Kulraj Singh 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. Kulraj Singh Grewal has 2 publications on record
Dmand AI links 2 papers to Dr. Grewal. Dr. Grewal has published most often in J Investig Med High Impact Case Rep. Dr. Grewal's most frequent co-authors are Greti Ileana Petersen, Tushar Bajaj, MD and Augustine Delgado Munoz, MD.
Dr. Grewal's most frequent co-authors
- Greti Ileana Petersen2 shared papers
- Tushar Bajaj, MD1 shared paper
- Augustine Delgado Munoz, MD1 shared paper
Recent publications by Dr. Grewal
J Investig Med High Impact Case Rep
See who Dr. Grewal researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grewal works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Sources for Dr. Kulraj Singh 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 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Kulraj Singh 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. Kulraj Singh Grewal's NPI number?
Dr. Kulraj Singh Grewal's NPI number is 1033775812. It was assigned on May 16, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Kulraj Singh Grewal?
Dr. Kulraj Singh Grewal is an internist in Chowchilla, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Kulraj Singh Grewal practice?
Dr. Grewal practices at 300 Prosperity Blvd, Chowchilla, CA 93610. Dr. Grewal's primary practice is Chowchilla Health Center in Chowchilla, California. Dmand AI also links Dr. Grewal to 5 home health agencies, 1 community health center, 1 other site and 1 medical group.
What is Dr. Kulraj Singh Grewal's office phone number?
The practice phone on file for Dr. Grewal is (559) 665-1400.
What is Dr. Kulraj Singh Grewal's medical license number?
Dr. Grewal holds California license A185698.
Which hospitals is Dr. Kulraj Singh Grewal affiliated with?
Dr. Grewal is affiliated with Saint Agnes Medical Center.
What medical group is Dr. Kulraj Singh Grewal part of?
Dr. Grewal is linked to Camarena Health. Dmand AI links Dr. Grewal to 1 more medical group.
Does Dr. Kulraj Singh Grewal accept Medicare?
Yes. CMS lists Dr. Grewal as accepting Medicare assignment.
What drugs does Dr. Kulraj Singh Grewal prescribe most?
In 2024 Medicare Part D data, Dr. Grewal's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
How long has Dr. Kulraj Singh Grewal been practicing?
Dr. Grewal graduated from medical school in 2018, 8 years ago.
Does Dr. Kulraj Singh Grewal do research?
Dmand AI links 2 publications to Dr. Grewal.
Who does Dr. Kulraj Singh Grewal publish with?
Dr. Grewal's most frequent co-authors are Greti Ileana Petersen (2 shared papers), Tushar Bajaj, MD (1 shared paper) and Augustine Delgado Munoz, MD (1 shared paper).
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