Dr. Sangeeta S. Nadkarni, MD
- Medicare services, 2024
- 1,114
- Medicare patients, 2024
- 406
- Part D claims, 2024
- 1,830
- Hospital affiliations
- 5
- Industry payments
- $548
- Practice address
- 600 Clark Rd, Tewksbury, MA 01876
- Practice phone
- Call (978) 686-9900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fresenius Medical Care Merrimack Valley
Tewksbury, Massachusetts
Find Dr. Nadkarni'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. Sangeeta S. Nadkarni is a nephrologist in Tewksbury, Massachusetts
Dr. Nadkarni practices at Fresenius Medical Care Merrimack Valley in Tewksbury, Massachusetts.
Dr. Nadkarni's NPI, 1245332667, was assigned on September 5, 2006. Dr. Nadkarni holds Massachusetts license 226820.
- NPI
- 1245332667NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315946894
- NPI enumeration date
- September 5, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (978) 686-9900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sangeeta S. Nadkarni practices at Fresenius Medical Care Merrimack Valley in Tewksbury, Massachusetts
Dr. Nadkarni's primary practice is Fresenius Medical Care Merrimack Valley, at 600 Clark Rd, Tewksbury, MA 01876 in Middlesex County. The practice phone is (978) 686-9900.
- Fresenius Medical Care Merrimack Valley600 Clark Rd, Tewksbury, MA 01876 · Middlesex CountyPhone(978) 686-9900
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Sangeeta S. Nadkarni is affiliated with 11 sites of care and 2 medical groups
Dr. Nadkarni's primary practice is Fresenius Medical Care Merrimack Valley in Tewksbury, Massachusetts. Dr. Nadkarni is also affiliated with Salem Hospital. The medical group on file is Mass General Brigham (formerly North Shore Physicians Group). Dmand AI also links Dr. Nadkarni to 4 more hospitals, 3 dialysis centers, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sangeeta S. Nadkarni's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nadkarni practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fresenius Medical Care Merrimack Valley | Available with a free account |
| +10 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sangeeta S. Nadkarni is one of 351 nephrologists in Massachusetts
Nephrology is Dr. Nadkarni's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Nadkarni is licensed in Massachusetts.
Specialties and state licenses
- Nephrology, MassachusettsPrimary
Nephrologists near Dr. Nadkarni
Counts of nephrologists 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. Sangeeta S. Nadkarni billed Medicare for 1,114 services in 2024
CMS data shows 1,114 Medicare services from Dr. Nadkarni across 12 procedure codes in 2024, for 406 Medicare patients. Medicare paid $143,087 for them.
Dr. Nadkarni's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5392024: 74037%
- Tests and treatments
- 2023: 4322024: 37413%
Where Dr. Nadkarni's Medicare services took place, 2024
- In an office70463%
- In a facility41037%
Dr. Nadkarni compared with the Massachusetts median for nephrologists, 2024
- Dr. Nadkarni
- Massachusetts median
- Medicare services
- 1,114vs 70159% above
- Medicare patients
- 406vs 28244% above
- Part D claims
- 1,659vs 4713.5 times
Medians across 333 nephrologists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Nadkarni'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. Nadkarni?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nadkarni and other nephrologists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sangeeta S. Nadkarni treated 406 Medicare patients in 2024, average age 73
CMS counts 406 Medicare patients who saw Dr. Nadkarni in 2024. The largest group is 65 to 74, with 136 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 46% are also on Medicaid. Their average risk score is 3.34, 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. Nadkarni's median patient age at 72, with 48% women.
Dr. Nadkarni's Medicare patients by age, 2024
Dr. Nadkarni's Medicare patients by sex, 2024
- Women20651%
- Men20049%
Chronic conditions among Dr. Nadkarni's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes56%
- Arthritis47%
- Heart failure45%
- Ischemic heart disease45%
- Mood disorders39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nadkarni's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women48%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sangeeta S. Nadkarni wrote 1,830 Medicare Part D claims in 2024
In 2024, Dr. Nadkarni wrote 1,830 Medicare Part D claims for 364 patients. 82% of them were for generic drugs. CMS names the drug for 1,659 of them, across 26 drugs with 11 or more claims each, at $340,887 in total drug cost. In 2023, CMS named 1,184 claims across 18 drugs.
Dr. Nadkarni's Part D claims by kind of drug, 2024
- Generic1,493 claims82%
- Brand-name337 claims18%
Dr. Nadkarni'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. Nadkarni's Part D claims, 2024
- Antibiotics1%22 of 1,830 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: 1,1842024: 1,65940%
Drugs named by CMS: 26 in 2024, 18 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. Sangeeta S. Nadkarni offers telehealth to Medicare patients
Dr. Nadkarni accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nadkarni as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sangeeta S. Nadkarni received $548 in industry payments from 2016 to 2025
CMS Open Payments shows 29 general payments to Dr. Nadkarni from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $88.
General payments to Dr. Nadkarni by program year, 2016 to 2025
Companies that paid Dr. Nadkarni the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sangeeta S. Nadkarni'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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. Sangeeta S. Nadkarni
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. Sangeeta S. Nadkarni's NPI number?
Dr. Sangeeta S. Nadkarni's NPI number is 1245332667. It was assigned on September 5, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sangeeta S. Nadkarni?
Dr. Sangeeta S. Nadkarni is a nephrologist in Tewksbury, Massachusetts. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Sangeeta S. Nadkarni practice?
Dr. Nadkarni practices at 600 Clark Rd, Tewksbury, MA 01876. Dr. Nadkarni's primary practice is Fresenius Medical Care Merrimack Valley in Tewksbury, Massachusetts. Dmand AI also links Dr. Nadkarni to 4 hospitals, 3 dialysis centers, 2 group practices and clinics and 1 medical group.
What is Dr. Sangeeta S. Nadkarni's office phone number?
The practice phone on file for Dr. Nadkarni is (978) 686-9900.
What is Dr. Sangeeta S. Nadkarni's medical license number?
Dr. Nadkarni holds Massachusetts license 226820.
Which hospitals is Dr. Sangeeta S. Nadkarni affiliated with?
Dr. Nadkarni is affiliated with Salem Hospital. Dmand AI links Dr. Nadkarni to 4 more hospitals.
What medical group is Dr. Sangeeta S. Nadkarni part of?
Dr. Nadkarni is linked to Mass General Brigham (formerly North Shore Physicians Group). Dmand AI links Dr. Nadkarni to 1 more medical group.
Does Dr. Sangeeta S. Nadkarni accept Medicare?
Yes. CMS data shows Dr. Nadkarni billed Medicare for 1,114 services in 2024, and Dr. Nadkarni accepts Medicare assignment.
Does Dr. Sangeeta S. Nadkarni offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nadkarni as offering telehealth services.
How many Medicare patients does Dr. Sangeeta S. Nadkarni see?
CMS counts 406 Medicare patients who saw Dr. Nadkarni in 2024, with an average age of 73.
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What services does Dr. Sangeeta S. Nadkarni bill to Medicare?
In 2024, Dr. Nadkarni's most billed Medicare services were office visit, established patient (99214), dialysis (90960) and dialysis (90935).
What drugs does Dr. Sangeeta S. Nadkarni prescribe most?
In 2024 Medicare Part D data, Dr. Nadkarni's most prescribed drugs by claims were Lisinopril, Furosemide and Calcitriol.
Has Dr. Sangeeta S. Nadkarni received payments from drug or device companies?
CMS Open Payments shows $548 in general payments to Dr. Nadkarni from 16 companies from 2016 to 2025. The largest total came from Bausch Health Americas, Inc.
How long has Dr. Sangeeta S. Nadkarni been practicing?
Dr. Nadkarni graduated from medical school in 2000, 26 years ago.
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