Dr. Ranjit Singh Makar, MD
- Medicare services, 2022
- 124
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 280
- Publications
- 6
- Hospital affiliations
- 1
- Practice address
- 250 Hospital Parkway, San Jose, CA 95119
- Practice phone
- Call (408) 972-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Makar'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. Ranjit Singh Makar is a gastroenterologist in San Jose, California
Dr. Makar practices at San Jose Medical Center in San Jose, California, part of Kaiser Permanente.
Dr. Makar's NPI, 1083858997, was assigned on April 22, 2009. Dr. Makar graduated from Medical College Of Wisconsin in 2009. Dr. Makar's Nevada license number on file is 14317.
- NPI
- 1083858997NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416103346
- NPI enumeration date
- April 22, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (408) 972-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ranjit Singh Makar practices at San Jose Medical Center in San Jose, California
Dr. Makar's primary practice is San Jose Medical Center, at 250 Hospital Parkway, San Jose, CA 95119 in Santa Clara County. The practice phone is (408) 972-7000.
- San Jose Medical Center250 Hospital Parkway, San Jose, CA 95119 · Santa Clara CountyPhone(408) 972-7000
Source: Dmand AI Affiliation Data
Dr. Ranjit Singh Makar is affiliated with 2 sites of care and 1 medical group
Dr. Makar's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Makar to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ranjit Singh Makar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Makar practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| San Jose Medical Center | Available with a free account |
| +1 more affiliated site | 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ranjit Singh Makar is one of 1,977 gastroenterologists in California
Gastroenterology is Dr. Makar's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Makar is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Makar's licenses on file in 3 states: Nevada, California and Wisconsin.
Specialties and state licenses
- Gastroenterology, NevadaPrimary
- California license
- Wisconsin license
Gastroenterologists near Dr. Makar
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. Ranjit Singh Makar billed Medicare for 124 services in 2022
CMS data shows 124 Medicare services from Dr. Makar across 5 procedure codes in 2022, for 13 Medicare patients. Medicare paid $10,774 for them.
Dr. Makar's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 2642022: 10461%
- Surgery
- 2021: 662022: 2070%
Where Dr. Makar's Medicare services took place, 2022
- In an office6048%
- In a facility6452%
Dr. Makar compared with the California median for gastroenterologists, 2022
- Dr. Makar
- California median
- Medicare services
- 124vs 58679% below
- Medicare patients
- 13vs 30296% below
- Part D claims
- 224vs 38041% below
Medians across 1,875 gastroenterologists in California with Dmand AI profiles that report each measure.
Dr. Makar's most billed Medicare procedure codes, 2022
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. Makar and other gastroenterologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ranjit Singh Makar treated 13 Medicare patients in 2024, average age 71
CMS counts 13 Medicare patients who saw Dr. Makar in 2024. Their average risk score is 3.13, 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. Makar's median patient age at 62, with 46% women.
Dr. Makar'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
- Women46%
- Men54%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ranjit Singh Makar wrote 280 Medicare Part D claims in 2024
In 2024, Dr. Makar wrote 280 Medicare Part D claims for 187 patients. 94% of them were for generic drugs. CMS names the drug for 224 of them, across 4 drugs with 11 or more claims each, at $3,252 in total drug cost. In 2023, CMS named 58 claims across 3 drugs.
Dr. Makar's Part D claims by kind of drug, 2024
- Generic264 claims94%
- Brand-name16 claims6%
Dr. Makar'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. Makar's Part D claims, 2024
- Antibiotics17%48 of 280 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: 582024: 224286%
Drugs named by CMS: 4 in 2024, 3 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. Ranjit Singh Makar takes part in Medicare
Dr. Makar accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Ranjit Singh Makar has 6 publications on record
Dmand AI links 6 papers to Dr. Makar, published from 2017 to 2024. 2017 was the busiest year, with 2. Dr. Makar's most frequent co-authors are Manas Agastya, MD, Mustafa Al-Shammari, MD and Mohamed Moneeb Abdellatif Azab, MD.
Dr. Makar's papers by year, 2017 to 2024
Dr. Makar's most frequent co-authors
- Manas Agastya, MD1 shared paper
- Mustafa Al-Shammari, MD1 shared paper
- Mohamed Moneeb Abdellatif Azab, MD1 shared paper
Recent publications by Dr. Makar
Curr Gastroenterol Rep
Clin Gastroenterol Hepatol
See who Dr. Makar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Makar works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Ranjit Singh Makar received $5,286 in industry payments from 2018 to 2024
CMS Open Payments shows 126 general payments to Dr. Makar from 18 drug and device companies from 2018 to 2024. Travel and lodging make up the largest share, 50% of the total. Boston Scientific Corporation paid the most, $3,316.
General payments to Dr. Makar by program year, 2018 to 2024
General payments to Dr. Makar by kind, 2018 to 2024
- Travel and lodging$2,64350%
- Food and beverage$2,54248%
- Education$1002%
Companies that paid Dr. Makar the most, 2018 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ranjit Singh Makar graduated from Medical College Of Wisconsin
Dr. Makar graduated from Medical College Of Wisconsin in 2009.
- Medical school
- Board certified in gastroenterology
- Board certified in internal medicine
- Board certified in obesity medicine
Source: Dmand AI Professional Profile Data
Dr. Ranjit Singh Makar accepts plans from 12 insurance carriers
Dr. Makar is in network with 12 carriers, including United Healthcare, Kaiser Permanente and Aetna. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
- United Healthcare
- Kaiser Permanente
- Aetna
- Elevance
- HCSC
- Alliant Health Plans
- Blue Cross Blue Shield of Michigan
- CMS Medicare
- +4 more carriersWith a free account
Plan types Dr. Makar accepts, by number of carriers
- HMO7
- PPO4
- EPO3
- Medicaid2
- Medicare2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ranjit Singh Makar'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)Doctors and Clinicians Utilization Data (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 |
| 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. Ranjit Singh Makar
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. Ranjit Singh Makar's NPI number?
Dr. Ranjit Singh Makar's NPI number is 1083858997. It was assigned on April 22, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Ranjit Singh Makar?
Dr. Ranjit Singh Makar is a gastroenterologist in San Jose, California. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Ranjit Singh Makar practice?
Dr. Makar practices at 250 Hospital Parkway, San Jose, CA 95119. Dr. Makar's primary practice is San Jose Medical Center in San Jose, California, part of Kaiser Permanente. Dmand AI also links Dr. Makar to 1 group practice or clinic.
What is Dr. Ranjit Singh Makar's office phone number?
The practice phone on file for Dr. Makar is (408) 972-7000.
What is Dr. Ranjit Singh Makar's medical license number?
Dr. Makar's Nevada license number on file is 14317, one of the licenses on file in 3 states.
Which states has Dr. Ranjit Singh Makar been licensed in?
Dmand AI has state licenses on file for Dr. Makar in Nevada (2012 to 2025), California (2018 to 2026) and Wisconsin (2017).
Which hospitals is Dr. Ranjit Singh Makar affiliated with?
Dr. Makar practices at San Jose Medical Center in San Jose, California.
What medical group is Dr. Ranjit Singh Makar part of?
Dr. Makar is linked to The Permanente Medical Group, Inc.
Does Dr. Ranjit Singh Makar accept Medicare?
Yes. CMS data shows Dr. Makar billed Medicare for 124 services in 2022, and Dr. Makar accepts Medicare assignment.
How many Medicare patients does Dr. Ranjit Singh Makar see?
CMS counts 13 Medicare patients who saw Dr. Makar in 2024, with an average age of 71.
Show 9 more questionsShow fewer questions
Is Dr. Ranjit Singh Makar board certified?
Yes. Dr. Makar is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Dr. Ranjit Singh Makar bill to Medicare?
In 2022, Dr. Makar's most billed Medicare services were office visit, established patient (99213), hospital inpatient care (99232) and surgery: digestive system (45385).
Where did Dr. Ranjit Singh Makar go to medical school?
Dr. Makar graduated from Medical College Of Wisconsin in 2009.
What drugs does Dr. Ranjit Singh Makar prescribe most?
In 2024 Medicare Part D data, Dr. Makar's most prescribed drugs by claims were Gavilyte-C, Pantoprazole Sodium and Ciprofloxacin HCl.
Has Dr. Ranjit Singh Makar received payments from drug or device companies?
CMS Open Payments shows $5,286 in general payments to Dr. Makar from 18 companies from 2018 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Ranjit Singh Makar been practicing?
Dr. Makar graduated from medical school in 2009, 17 years ago.
Does Dr. Ranjit Singh Makar do research?
Dmand AI links 6 publications to Dr. Makar, published from 2017 to 2024.
Who does Dr. Ranjit Singh Makar publish with?
Dr. Makar's most frequent co-authors are Manas Agastya, MD (1 shared paper), Mustafa Al-Shammari, MD (1 shared paper) and Mohamed Moneeb Abdellatif Azab, MD (1 shared paper).
What insurance does Dr. Ranjit Singh Makar accept?
Dr. Makar is in network with 12 carriers, including United Healthcare, Kaiser Permanente and Aetna. HMO plans come from the most carriers, 7. Check the plan with the practice before a visit.
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