Dr. Nidhi Aggarwal, MD

  • Burlington, MA
  • Internist
NPI1811904147PAC ID2062418841
Medicare services, 2024
1,192
Medicare patients, 2024
298
Part D claims, 2024
6,146
MIPS score, 2024
92
Hospital affiliations
5
Practice address
41 & 45 Mall Road, Burlington, MA 01803
Practice phone
Call (781) 744-5100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Lahey Clinic

Hospital · Burlington, Massachusetts

See all 11 affiliations

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Dr. Nidhi Aggarwal is an internist in Burlington, Massachusetts

Dr. Aggarwal practices at Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health.

Dr. Aggarwal's NPI, 1811904147, was assigned on August 1, 2006. Dr. Aggarwal holds Massachusetts license 233948.

NPI and contact details
Medicare PAC ID
2062418841
NPI enumeration date
August 1, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(781) 744-5100
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
53
Medical school graduation
1999

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nidhi Aggarwal practices at Lahey Clinic in Burlington, Massachusetts

Dr. Aggarwal's primary practice is Lahey Clinic, at 41 & 45 Mall Road, Burlington, MA 01803 in Middlesex County. The practice phone is (781) 744-5100.

  • Lahey Clinic
    41 & 45 Mall Road, Burlington, MA 01803 · Middlesex CountyPhone(781) 744-5100

Source: Dmand AI Affiliation Data

Dr. Nidhi Aggarwal is affiliated with 10 sites of care and 1 medical group

Dr. Aggarwal's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dr. Aggarwal is also affiliated with Beth Israel Deaconess Medical Center. The medical group on file is Lahey Clinic. Dmand AI also links Dr. Aggarwal to 3 more hospitals, 4 home health agencies and 1 group practice or clinic, each named with a free account.

See all 11 affiliations for Dr. Aggarwal

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nidhi Aggarwal's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Aggarwal practices, 10 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Lahey ClinicAvailable with a free account
+9 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nidhi Aggarwal is one of 5,528 internists in Massachusetts

Internal medicine is Dr. Aggarwal's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Aggarwal is licensed in Massachusetts.

Specialties and state licenses

  • Internal medicine, MassachusettsPrimaryLicense 233948 · taxonomy 207R00000X

Internists near Dr. Aggarwal

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. Nidhi Aggarwal billed Medicare for 1,192 services in 2024

CMS data shows 1,192 Medicare services from Dr. Aggarwal across 7 procedure codes in 2024, for 298 Medicare patients. Medicare paid $68,269 for them.

Medicare services, 20241,192
Medicare patients298
Paid by Medicare$68,269
Procedure codes7

Dr. Aggarwal's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Other services
2023: 3572024: 66185%
Office and hospital visits
2023: 3912024: 53136%

Where Dr. Aggarwal's Medicare services took place, 2024

  • In an office565%
  • In a facility1,13695%

Dr. Aggarwal compared with the Massachusetts median for internists, 2024

  • Dr. Aggarwal
  • Massachusetts median
Medicare services
1,192vs 4312.8 times
Medicare patients
298vs 19454% above
Part D claims
5,588vs 40213.9 times

Medians across 5,369 internists in Massachusetts with Dmand AI profiles that report each measure.

Dr. Aggarwal'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.

See all procedures by Dr. Aggarwal

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nidhi Aggarwal treated 298 Medicare patients in 2024, average age 76

CMS counts 298 Medicare patients who saw Dr. Aggarwal in 2024. The largest group is 65 to 74, with 110 patients. 68% of them have high blood pressure, and 66% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Aggarwal's median patient age at 69, with 83% women.

Medicare patients, 2024298
Average age76
Average risk score1.01
Also on Medicaid23%

Dr. Aggarwal's Medicare patients by age, 2024

Dr. Aggarwal's Medicare patients by sex, 2024

  • Women24382%
  • Men5518%

Chronic conditions among Dr. Aggarwal's Medicare patients, 2024

  1. High blood pressure68%
  2. High cholesterol66%
  3. Arthritis44%
  4. Anxiety36%
  5. Mood disorders29%
  6. Osteoporosis27%
  7. Diabetes26%
  8. Depression23%

Share of Medicare patients with each condition. A patient can have several.

Dr. Aggarwal's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women83%
  • Men16%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Nidhi Aggarwal wrote 6,146 Medicare Part D claims in 2024

In 2024, Dr. Aggarwal wrote 6,146 Medicare Part D claims for 599 patients. 92% of them were for generic drugs. CMS names the drug for 5,588 of them, across 94 drugs with 11 or more claims each, at $219,191 in total drug cost. In 2023, CMS named 5,948 claims across 98 drugs.

Part D claims, 20246,146
Drugs named by CMS94
Total drug cost$219,191
Part D patients599

Dr. Aggarwal's Part D claims by kind of drug, 2024

  • Generic5,644 claims92%
  • Brand-name491 claims8%
  • Other11 claims0%

Dr. Aggarwal'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. Aggarwal's Part D claims, 2024

  • Opioids1%92 of 6,146 claims
  • Antibiotics1%70 of 6,146 claims
  • Antipsychotics, patients 65 and over0%18 of 6,146 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: 5,9482024: 5,5886%

Drugs named by CMS: 94 in 2024, 98 in 2023.

See all prescribing by Dr. Aggarwal

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. Nidhi Aggarwal scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Aggarwal for performance year 2024, reported through an alternative payment model (APM). Dr. Aggarwal accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Aggarwal as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Aggarwal's MIPS scores, performance year 2024

  • 92of 100Final score
  • 76.6of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Nidhi Aggarwal received $48 in industry payments from 2018 to 2019

CMS Open Payments shows 2 general payments to Dr. Aggarwal from 2 drug and device companies from 2018 to 2019. Food and beverage make up the largest share, 58% of the total. Dentsply Sirona Inc paid the most, $28.

General payments to Dr. Aggarwal by program year, 2018 to 2019

General payments to Dr. Aggarwal by kind, 2018 to 2019

$48in total
  • Food and beverage$2858%
  • Education$2042%

Companies that paid Dr. Aggarwal the most, 2018 to 2019

Share is of all general payments to this clinician.

See all payments to Dr. Aggarwal

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Dr. Nidhi Aggarwal's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nidhi Aggarwal

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. Nidhi Aggarwal's NPI number?

Dr. Nidhi Aggarwal's NPI number is 1811904147. It was assigned on August 1, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nidhi Aggarwal?

Dr. Nidhi Aggarwal is an internist in Burlington, Massachusetts. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Nidhi Aggarwal practice?

Dr. Aggarwal practices at 41 & 45 Mall Road, Burlington, MA 01803. Dr. Aggarwal's primary practice is Lahey Clinic in Burlington, Massachusetts, part of Beth Israel Lahey Health. Dmand AI also links Dr. Aggarwal to 3 hospitals, 4 home health agencies and 1 group practice or clinic.

What is Dr. Nidhi Aggarwal's office phone number?

The practice phone on file for Dr. Aggarwal is (781) 744-5100.

What is Dr. Nidhi Aggarwal's medical license number?

Dr. Aggarwal holds Massachusetts license 233948.

Which hospitals is Dr. Nidhi Aggarwal affiliated with?

Dr. Aggarwal practices at Lahey Clinic in Burlington, Massachusetts. Dr. Aggarwal is also affiliated with Beth Israel Deaconess Medical Center. Dmand AI links Dr. Aggarwal to 3 more hospitals.

What medical group is Dr. Nidhi Aggarwal part of?

Dr. Aggarwal is linked to Lahey Clinic.

Does Dr. Nidhi Aggarwal accept Medicare?

Yes. CMS data shows Dr. Aggarwal billed Medicare for 1,192 services in 2024, and Dr. Aggarwal accepts Medicare assignment.

Does Dr. Nidhi Aggarwal offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Aggarwal as offering telehealth services.

What is Dr. Nidhi Aggarwal's MIPS score?

Dr. Aggarwal's MIPS final score for performance year 2024 is 92 out of 100, reported through an alternative payment model (APM).

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Nidhi Aggarwal see?

CMS counts 298 Medicare patients who saw Dr. Aggarwal in 2024, with an average age of 76.

What services does Dr. Nidhi Aggarwal bill to Medicare?

In 2024, Dr. Aggarwal's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and medicare service (G0439).

What drugs does Dr. Nidhi Aggarwal prescribe most?

In 2024 Medicare Part D data, Dr. Aggarwal's most prescribed drugs by claims were Amlodipine Besylate, Lisinopril and Atorvastatin Calcium.

Has Dr. Nidhi Aggarwal received payments from drug or device companies?

CMS Open Payments shows $48 in general payments to Dr. Aggarwal from 2 companies from 2018 to 2019. The largest total came from Dentsply Sirona Inc.

How long has Dr. Nidhi Aggarwal been practicing?

Dr. Aggarwal graduated from medical school in 1999, 27 years ago.

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