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Dr. Tarun Marwaha, MD
NPI1407964976PAC ID9739272337
- Medicare services, 2024
- 5,034
- Medicare patients, 2024
- 671
- Part D claims, 2024
- 696
- Publications
- 2
- Hospital affiliations
- 5
- Practice address
- 2740 South Bristol St, Suite 110, Santa Ana, CA 92704
- Practice phone
- Call (714) 754-1670
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fresenius Kidney Care Santa Ana
Dialysis Center - Independent · Santa Ana, California
Find Dr. Marwaha'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. Tarun Marwaha is a nephrologist in Santa Ana, California
Dr. Marwaha practices at Fresenius Kidney Care Santa Ana in Santa Ana, California.
Dr. Marwaha's NPI, 1407964976, was assigned on August 26, 2006. Dr. Marwaha graduated from Maulana Azad Medical College in 1995. Dr. Marwaha's California license number on file is A70632.
NPI and contact details
- NPI
- 1407964976NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739272337
- NPI enumeration date
- August 26, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (714) 754-1670
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Tarun Marwaha practices at Fresenius Kidney Care Santa Ana in Santa Ana, California
Dr. Marwaha's primary practice is Fresenius Kidney Care Santa Ana, at 2740 South Bristol St, Suite 110, Santa Ana, CA 92704 in Orange County. The practice phone is (714) 754-1670.
- Fresenius Kidney Care Santa Ana2740 South Bristol St, Suite 110, Santa Ana, CA 92704 · Orange CountyPhone(714) 754-1670
Source: Dmand AI Affiliation Data
Dr. Tarun Marwaha is affiliated with 14 sites of care and 3 medical groups
Dr. Marwaha's primary practice is Fresenius Kidney Care Santa Ana in Santa Ana, California. Dr. Marwaha is also affiliated with UCI Health - Orange. The medical group on file is CM Providers Medical Group. Dmand AI also links Dr. Marwaha to 4 more hospitals, 4 dialysis centers, 3 group practices and clinics, 2 medical groups and 1 physician office, each named with a free account.
Fresenius Kidney Care Santa AnaPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Tarun Marwaha's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Marwaha practices, 14 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fresenius Kidney Care Santa Ana | Available with a free account |
| +13 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Tarun Marwaha is one of 1,401 nephrologists in California
Nephrology is Dr. Marwaha's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Marwaha is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Marwaha's licenses on file in 3 states: California, Ohio and Alabama.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Ohio license
- Alabama license
Clinical focus
Dmand AI lists acute kidney failure and chronic kidney disease among the conditions Dr. Marwaha treats.
Nephrologists near Dr. Marwaha
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
1,401nephrologists in California
3nephrologists in Santa Ana
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Tarun Marwaha billed Medicare for 5,034 services in 2024
CMS data shows 5,034 Medicare services from Dr. Marwaha across 5 procedure codes in 2024, for 671 Medicare patients. Medicare paid $378,649 for them.
Medicare services, 20245,034
Medicare patients671
Paid by Medicare$378,649
Procedure codes5
Dr. Marwaha's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4,4242024: 4,8008%
- Tests and treatments
- 2023: 2482024: 2346%
Where Dr. Marwaha's Medicare services took place, 2024
- In an office3687%
- In a facility4,66693%
Dr. Marwaha compared with the California median for nephrologists, 2024
- Dr. Marwaha
- California median
- Medicare services
- 5,034vs 1,0844.6 times
- Medicare patients
- 671vs 3072.2 times
- Part D claims
- 531vs 95544% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Marwaha'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.
Need commercial claims for Dr. Marwaha?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Marwaha and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Tarun Marwaha treated 671 Medicare patients in 2024, average age 76
CMS counts 671 Medicare patients who saw Dr. Marwaha in 2024. The largest group is 65 to 74, with 214 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 80% are also on Medicaid. Their average risk score is 4.44, 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. Marwaha's median patient age at 68, with 41% women.
Medicare patients, 2024671
Average age76
Average risk score4.44
Also on Medicaid80%
Dr. Marwaha's Medicare patients by age, 2024
Dr. Marwaha's Medicare patients by sex, 2024
- Women29444%
- Men37756%
Chronic conditions among Dr. Marwaha's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- Heart failure72%
- Ischemic heart disease61%
- Arthritis55%
- Mood disorders55%
Share of Medicare patients with each condition. A patient can have several.
Dr. Marwaha's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Tarun Marwaha wrote 696 Medicare Part D claims in 2024
In 2024, Dr. Marwaha wrote 696 Medicare Part D claims for 113 patients. 85% of them were for generic drugs. CMS names the drug for 531 of them, across 28 drugs with 11 or more claims each, at $873,446 in total drug cost. In 2023, CMS named 470 claims across 21 drugs.
Part D claims, 2024696
Drugs named by CMS28
Total drug cost$873,446
Part D patients113
Dr. Marwaha's Part D claims by kind of drug, 2024
- Generic594 claims85%
- Brand-name and other102 claims15%
Dr. Marwaha'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4702024: 53113%
Drugs named by CMS: 28 in 2024, 21 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
Dr. Tarun Marwaha offers telehealth to Medicare patients
Dr. Marwaha accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Marwaha as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Dr. Tarun Marwaha has 2 publications on record
Dmand AI links 2 papers to Dr. Marwaha. The most frequent topics are Anti-Bacterial Agents. Dr. Marwaha's most frequent co-author is Joel D. Kopple, MD.
Papers2
Topics Dr. Marwaha writes about most
- Anti-Bacterial Agents
Dr. Marwaha's most frequent co-authors
Recent publications by Dr. Marwaha
Perit Dial Int
Anti-Bacterial AgentsEthnicityMupirocin
See who Dr. Marwaha researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Marwaha works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Tarun Marwaha received $1,916 in industry payments from 2016 to 2025
CMS Open Payments shows 28 general payments to Dr. Marwaha from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 78% of the total. GastroKlenz, Inc. DBA CloudCath paid the most, $456.
General payments to Dr. Marwaha by program year, 2016 to 2025
General payments to Dr. Marwaha by kind, 2016 to 2025
$1.9Kin total
- Food and beverage$1,50278%
- Honoraria$40021%
- Education$141%
Companies that paid Dr. Marwaha 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. Tarun Marwaha has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Marwaha, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Marwaha
- 2013
- CMS Stage 1 EHR
- Top Doctors:LA Area
- Top Doctors:San Diego Area
- 2012
- Top Doctors:Southern California
Source: Dmand AI Professional Profile Data
Dr. Tarun Marwaha graduated from Maulana Azad Medical College
Dr. Marwaha graduated from Maulana Azad Medical College in 1995.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Tarun Marwaha accepts plans from 16 insurance carriers
Dr. Marwaha is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Humana
- Blue Cross Blue Shield of Massachusetts
- Molina
- +8 more carriersWith a free account
Plan types Dr. Marwaha accepts, by number of carriers
- Medicare10
- PPO10
- HMO8
- POS5
- EPO4
Source: Dmand AI Insurance Network Data
Sources for Dr. Tarun Marwaha'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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Tarun Marwaha
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. Tarun Marwaha's NPI number?
Dr. Tarun Marwaha's NPI number is 1407964976. It was assigned on August 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Tarun Marwaha?
Dr. Tarun Marwaha is a nephrologist in Santa Ana, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Tarun Marwaha practice?
Dr. Marwaha practices at 2740 South Bristol St, Suite 110, Santa Ana, CA 92704. Dr. Marwaha's primary practice is Fresenius Kidney Care Santa Ana in Santa Ana, California. Dmand AI also links Dr. Marwaha to 4 hospitals, 4 dialysis centers, 3 group practices and clinics, 2 medical groups and 1 physician office.
What is Dr. Tarun Marwaha's office phone number?
The practice phone on file for Dr. Marwaha is (714) 754-1670.
What is Dr. Tarun Marwaha's medical license number?
Dr. Marwaha's California license number on file is A70632, one of the licenses on file in 3 states.
Which states has Dr. Tarun Marwaha been licensed in?
Dmand AI has state licenses on file for Dr. Marwaha in California (2000 to 2025), Ohio (1999 to 2002) and Alabama (1998 to 1999).
Which hospitals is Dr. Tarun Marwaha affiliated with?
Dr. Marwaha is affiliated with UCI Health - Orange. Dmand AI links Dr. Marwaha to 4 more hospitals.
What medical group is Dr. Tarun Marwaha part of?
Dr. Marwaha is linked to CM Providers Medical Group. Dmand AI links Dr. Marwaha to 2 more medical groups.
Does Dr. Tarun Marwaha accept Medicare?
Yes. CMS data shows Dr. Marwaha billed Medicare for 5,034 services in 2024, and Dr. Marwaha accepts Medicare assignment.
Does Dr. Tarun Marwaha offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Marwaha as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Tarun Marwaha see?
CMS counts 671 Medicare patients who saw Dr. Marwaha in 2024, with an average age of 76.
Is Dr. Tarun Marwaha board certified?
Yes. Dr. Marwaha is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Tarun Marwaha bill to Medicare?
In 2024, Dr. Marwaha's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99223) and dialysis (90960).
Where did Dr. Tarun Marwaha go to medical school?
Dr. Marwaha graduated from Maulana Azad Medical College in 1995.
What drugs does Dr. Tarun Marwaha prescribe most?
In 2024 Medicare Part D data, Dr. Marwaha's most prescribed drugs by claims were Hydralazine HCl, Sevelamer Carbonate and Amlodipine Besylate.
Has Dr. Tarun Marwaha received payments from drug or device companies?
CMS Open Payments shows $1,916 in general payments to Dr. Marwaha from 16 companies from 2016 to 2025. The largest total came from GastroKlenz, Inc. DBA CloudCath.
How long has Dr. Tarun Marwaha been practicing?
Dr. Marwaha graduated from medical school in 1995, 31 years ago.
Does Dr. Tarun Marwaha do research?
Dmand AI links 2 publications to Dr. Marwaha.
Who does Dr. Tarun Marwaha publish with?
Dr. Marwaha's most frequent co-authors are Joel D. Kopple, MD (1 shared paper).
What insurance does Dr. Tarun Marwaha accept?
Dr. Marwaha is in network with 16 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.
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