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Acute Kidney InjuryImmune Checkpoint Inhibitors
Dr. Siddhartha Kattamanchi, MD
NPI1316388382PAC ID1355665258
- Medicare services, 2024
- 551
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 437
- Publications
- 4
- Hospital affiliations
- 4
- Practice address
- 1000 N Oak Ave, Marshfield, WI 54449
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marshfield Center Ambulatory Surgical Center - HOPD
Acute Care Hospital outpatient department · Marshfield, Wisconsin
Find Dr. Kattamanchi'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. Siddhartha Kattamanchi is a nephrologist in Marshfield, Wisconsin
Dr. Kattamanchi practices at Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin.
Dr. Kattamanchi's NPI, 1316388382, was assigned on July 8, 2013. Dr. Kattamanchi holds Wisconsin license 63205.
NPI and contact details
- NPI
- 1316388382NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355665258
- NPI enumeration date
- July 8, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Siddhartha Kattamanchi practices at Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin
Dr. Kattamanchi's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD, at 1000 N Oak Ave, Marshfield, WI 54449.
- Marshfield Center Ambulatory Surgical Center - HOPD1000 N Oak Ave, Marshfield, WI 54449
Source: Dmand AI Affiliation Data
Dr. Siddhartha Kattamanchi is affiliated with 9 sites of care and 2 medical groups
Dr. Kattamanchi's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin. Dr. Kattamanchi is also affiliated with Marshfield Medical Center - Marshfield. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Kattamanchi to 3 more hospitals, 2 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account. Dr. Kattamanchi's employer is on file too: a hospital.
Marshfield Center Ambulatory Surgical Center - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Siddhartha Kattamanchi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kattamanchi practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Center Ambulatory Surgical Center - HOPD | 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. Siddhartha Kattamanchi is one of 168 nephrologists in Wisconsin
Nephrology is Dr. Kattamanchi's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Kattamanchi is licensed in Wisconsin.
Specialties and state licenses
- Nephrology, WisconsinPrimary
Nephrologists near Dr. Kattamanchi
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
168nephrologists in Wisconsin
9nephrologists in Marshfield
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Siddhartha Kattamanchi billed Medicare for 551 services in 2024
CMS data shows 551 Medicare services from Dr. Kattamanchi across 7 procedure codes in 2024, for 163 Medicare patients. Medicare paid $34,834 for them.
Medicare services, 2024551
Medicare patients163
Paid by Medicare$34,834
Procedure codes7
Dr. Kattamanchi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2142024: 31547%
- Office and hospital visits
- 2023: 2392024: 2361%
Where Dr. Kattamanchi's Medicare services took place, 2024
- In an office143%
- In a facility53797%
Dr. Kattamanchi compared with the Wisconsin median for nephrologists, 2024
- Dr. Kattamanchi
- Wisconsin median
- Medicare services
- 551vs 67719% below
- Medicare patients
- 163vs 23631% below
- Part D claims
- 297vs 65154% below
Medians across 167 nephrologists in Wisconsin with Dmand AI profiles that report each measure.
Dr. Kattamanchi'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kattamanchi and other nephrologists in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Siddhartha Kattamanchi treated 163 Medicare patients in 2024, average age 68
CMS counts 163 Medicare patients who saw Dr. Kattamanchi in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 45% are also on Medicaid. Their average risk score is 5.00, 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. Kattamanchi's median patient age at 74, with 50% women.
Medicare patients, 2024163
Average age68
Average risk score5.00
Also on Medicaid45%
Dr. Kattamanchi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Kattamanchi's Medicare patients by sex, 2024
- Women7043%
- Men9357%
Chronic conditions among Dr. Kattamanchi's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Heart failure53%
- Ischemic heart disease50%
- Atrial fibrillation40%
- Anxiety35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kattamanchi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Siddhartha Kattamanchi wrote 437 Medicare Part D claims in 2024
In 2024, Dr. Kattamanchi wrote 437 Medicare Part D claims for 104 patients. 85% of them were for generic drugs. CMS names the drug for 297 of them, across 12 drugs with 11 or more claims each, at $259,560 in total drug cost. In 2023, CMS named 390 claims across 16 drugs.
Part D claims, 2024437
Drugs named by CMS12
Total drug cost$259,560
Part D patients104
Dr. Kattamanchi's Part D claims by kind of drug, 2024
- Generic371 claims85%
- Brand-name66 claims15%
Dr. Kattamanchi'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. Kattamanchi's Part D claims, 2024
- Antibiotics13%56 of 437 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: 3902024: 29724%
Drugs named by CMS: 12 in 2024, 16 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. Siddhartha Kattamanchi takes part in Medicare
Dr. Kattamanchi 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. Siddhartha Kattamanchi has 4 publications on record
Dmand AI links 4 papers to Dr. Kattamanchi, published from 2014 to 2023. Dr. Kattamanchi's most frequent co-authors are Jaime Uribarri, MD, Chady Abboud Leon, MD and Rebecca M. Blonsky, MD.
Papers4
Years published2014 to 2023
Dr. Kattamanchi's papers by year, 2014 to 2023
Dr. Kattamanchi's most frequent co-authors
- Jaime Uribarri, MD2 shared papers
- Chady Abboud Leon, MD1 shared paper
- Rebecca M. Blonsky, MD1 shared paper
Recent publications by Dr. Kattamanchi
Kidney Failure, ChronicPeritoneal DialysisPeritonitis
See who Dr. Kattamanchi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Kattamanchi 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. Siddhartha Kattamanchi received $235 in industry payments from 2019 to 2022
CMS Open Payments shows 3 general payments to Dr. Kattamanchi from 3 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 52% of the total. Travere Therapeutics, Inc. paid the most, $123.
General payments to Dr. Kattamanchi by program year, 2019 to 2022
General payments to Dr. Kattamanchi by kind, 2019 to 2022
$235in total
- Food and beverage$12352%
- Education$11248%
Companies that paid Dr. Kattamanchi the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Siddhartha Kattamanchi'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 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) |
| 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. Siddhartha Kattamanchi
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. Siddhartha Kattamanchi's NPI number?
Dr. Siddhartha Kattamanchi's NPI number is 1316388382. It was assigned on July 8, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. Siddhartha Kattamanchi?
Dr. Siddhartha Kattamanchi is a nephrologist in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Siddhartha Kattamanchi practice?
Dr. Kattamanchi practices at 1000 N Oak Ave, Marshfield, WI 54449. Dr. Kattamanchi's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin. Dmand AI also links Dr. Kattamanchi to 3 hospitals, 2 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Siddhartha Kattamanchi's medical license number?
Dr. Kattamanchi holds Wisconsin license 63205.
Which hospitals is Dr. Siddhartha Kattamanchi affiliated with?
Dr. Kattamanchi is affiliated with Marshfield Medical Center - Marshfield. Dmand AI links Dr. Kattamanchi to 3 more hospitals.
What medical group is Dr. Siddhartha Kattamanchi part of?
Dr. Kattamanchi is linked to Marshfield Clinic Health System. Dmand AI links Dr. Kattamanchi to 1 more medical group.
Does Dr. Siddhartha Kattamanchi accept Medicare?
Yes. CMS data shows Dr. Kattamanchi billed Medicare for 551 services in 2024, and Dr. Kattamanchi accepts Medicare assignment.
How many Medicare patients does Dr. Siddhartha Kattamanchi see?
CMS counts 163 Medicare patients who saw Dr. Kattamanchi in 2024, with an average age of 68.
What services does Dr. Siddhartha Kattamanchi bill to Medicare?
In 2024, Dr. Kattamanchi's most billed Medicare services were dialysis (90935), hospital inpatient care (99232) and dialysis (90945).
What drugs does Dr. Siddhartha Kattamanchi prescribe most?
In 2024 Medicare Part D data, Dr. Kattamanchi's most prescribed drugs by claims were Amlodipine Besylate, Losartan Potassium and Furosemide.
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Has Dr. Siddhartha Kattamanchi received payments from drug or device companies?
CMS Open Payments shows $235 in general payments to Dr. Kattamanchi from 3 companies from 2019 to 2022. The largest total came from Travere Therapeutics, Inc.
How long has Dr. Siddhartha Kattamanchi been practicing?
Dr. Kattamanchi graduated from medical school in 2008, 18 years ago.
Does Dr. Siddhartha Kattamanchi do research?
Dmand AI links 4 publications to Dr. Kattamanchi, published from 2014 to 2023.
Who does Dr. Siddhartha Kattamanchi publish with?
Dr. Kattamanchi's most frequent co-authors are Jaime Uribarri, MD (2 shared papers), Chady Abboud Leon, MD (1 shared paper) and Rebecca M. Blonsky, MD (1 shared paper).
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