Dr. Lalitha Parameswaran, MD, MPH
- Medicare services, 2024
- 219
- Medicare patients, 2024
- 111
- Part D claims, 2024
- 19
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Practice address
- 550 1st Ave, New York, NY 10016
- Practice phone
- Call (212) 263-1481
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
NYU Langone - Tisch Hospital
New York, New York
Find Dr. Parameswaran'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. Lalitha Parameswaran is an infectious disease specialist in New York, New York
Dr. Parameswaran practices at NYU Langone - Tisch Hospital in New York, New York.
Dr. Parameswaran's NPI, 1326291758, was assigned on October 29, 2008. Dr. Parameswaran holds New York license 269642.
- NPI
- 1326291758NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769625318
- NPI enumeration date
- October 29, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (212) 263-1481
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 47
- Medical school graduation
- 2005
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lalitha Parameswaran practices at NYU Langone - Tisch Hospital in New York, New York
Dr. Parameswaran's primary practice is NYU Langone - Tisch Hospital, at 550 1st Ave, New York, NY 10016 in New York County. The practice phone is (212) 263-1481.
- NYU Langone - Tisch Hospital550 1st Ave, New York, NY 10016 · New York CountyPhone(212) 263-1481
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Lalitha Parameswaran is affiliated with 4 sites of care and 3 medical groups
Dr. Parameswaran's primary practice is NYU Langone - Tisch Hospital in New York, New York. Dr. Parameswaran is also affiliated with Tisch Hospital. The medical group on file is NYU Langone Orthopedic Surgery Associates. Dmand AI also links Dr. Parameswaran to 2 more group practices and clinics and 2 medical groups, 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. Lalitha Parameswaran's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Parameswaran practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| NYU Langone - Tisch Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Lalitha Parameswaran is one of 825 infectious disease specialists in New York
Infectious disease is Dr. Parameswaran's primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Parameswaran is licensed in New York.
Specialties and state licenses
- Infectious disease, New YorkPrimary
Infectious disease specialists near Dr. Parameswaran
Counts of infectious disease specialists 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. Lalitha Parameswaran billed Medicare for 219 services in 2024
CMS data shows 219 Medicare services from Dr. Parameswaran across 4 procedure codes in 2024, for 111 Medicare patients. Medicare paid $21,895 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Parameswaran's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2602024: 21916%
Dr. Parameswaran compared with the New York median for infectious disease specialists, 2024
- Dr. Parameswaran
- New York median
- Medicare services
- 219vs 2388% below
- Medicare patients
- 111vs 13417% below
- Part D claims
- 23vs 16286% below
Medians across 791 infectious disease specialists in New York with Dmand AI profiles that report each measure.
Dr. Parameswaran'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. Parameswaran?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Parameswaran and other infectious disease specialists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lalitha Parameswaran treated 111 Medicare patients in 2024, average age 76
CMS counts 111 Medicare patients who saw Dr. Parameswaran in 2024. The largest group is 75 to 84, with 39 patients. 75% of them have arthritis, and 75% have high blood pressure. 47% are also on Medicaid. Their average risk score is 3.57, 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. Parameswaran's median patient age at 51, with 56% women.
Dr. Parameswaran's Medicare patients by age, 2024
Dr. Parameswaran's Medicare patients by sex, 2024
- Women4541%
- Men6659%
Chronic conditions among Dr. Parameswaran's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease66%
- Ischemic heart disease60%
- Diabetes57%
- Heart failure52%
- Mood disorders48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Parameswaran's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women56%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lalitha Parameswaran wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Parameswaran wrote 19 Medicare Part D claims. 84% of them were for generic drugs. They cover 2 drugs, with $9,231 in total drug cost. In 2021, CMS named 112 claims across 6 drugs.
Dr. Parameswaran's Part D claims by kind of drug, 2024
- Generic16 claims84%
- Brand-name and other3 claims16%
Dr. Parameswaran's most prescribed drugs by claims, 2023
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. Parameswaran's Part D claims, 2024
- Antibiotics68%13 of 19 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, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 1122023: 2379%
Drugs named by CMS: 2 in 2023, 6 in 2021.
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. Lalitha Parameswaran scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Parameswaran for performance year 2024, reported as part of a group. Dr. Parameswaran accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Parameswaran as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Parameswaran's MIPS scores, performance year 2024
- 91of 100Final score
- 91.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Lalitha Parameswaran received $18 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Parameswaran from 1 drug or device company in 2024. Education make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $18. It also lists 1 research payment totaling $3,200 in 2025.
Companies that paid Dr. Parameswaran the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Lalitha Parameswaran'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)Clinician Public Reporting: Overall MIPS Performance (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. Lalitha Parameswaran
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. Lalitha Parameswaran's NPI number?
Dr. Lalitha Parameswaran's NPI number is 1326291758. It was assigned on October 29, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Lalitha Parameswaran?
Dr. Lalitha Parameswaran is an infectious disease specialist in New York, New York. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Lalitha Parameswaran practice?
Dr. Parameswaran practices at 550 1st Ave, New York, NY 10016. Dr. Parameswaran's primary practice is NYU Langone - Tisch Hospital in New York, New York. Dmand AI also links Dr. Parameswaran to 2 group practices and clinics and 2 medical groups.
What is Dr. Lalitha Parameswaran's office phone number?
The practice phone on file for Dr. Parameswaran is (212) 263-1481.
What is Dr. Lalitha Parameswaran's medical license number?
Dr. Parameswaran holds New York license 269642.
Which hospitals is Dr. Lalitha Parameswaran affiliated with?
Dr. Parameswaran is affiliated with Tisch Hospital.
What medical group is Dr. Lalitha Parameswaran part of?
Dr. Parameswaran is linked to NYU Langone Orthopedic Surgery Associates. Dmand AI links Dr. Parameswaran to 2 more medical groups.
Does Dr. Lalitha Parameswaran accept Medicare?
Yes. CMS data shows Dr. Parameswaran billed Medicare for 219 services in 2024, and Dr. Parameswaran accepts Medicare assignment.
Does Dr. Lalitha Parameswaran offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Parameswaran as offering telehealth services.
What is Dr. Lalitha Parameswaran's MIPS score?
Dr. Parameswaran's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
Show 5 more questionsShow fewer questions
How many Medicare patients does Dr. Lalitha Parameswaran see?
CMS counts 111 Medicare patients who saw Dr. Parameswaran in 2024, with an average age of 76.
What services does Dr. Lalitha Parameswaran bill to Medicare?
In 2024, Dr. Parameswaran's most billed Medicare services were hospital inpatient care (99233), hospital inpatient care (99232) and hospital inpatient care (99222).
What drugs does Dr. Lalitha Parameswaran prescribe most?
In 2023 Medicare Part D data, Dr. Parameswaran's most prescribed drugs by claims were Ceftriaxone and Oxacillin Sodium.
Has Dr. Lalitha Parameswaran received payments from drug or device companies?
CMS Open Payments shows $18 in general payments to Dr. Parameswaran from 1 company from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Lalitha Parameswaran been practicing?
Dr. Parameswaran graduated from medical school in 2005, 21 years ago.
Selling to infectious disease practices?
See infectious disease specialists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card