Dr. Nisha Chadha, MD

  • New York, NY
  • Glaucoma specialist (ophthalmology) physician
NPI1295052819PAC ID9638394315
Medicare services, 2024
1,355
Medicare patients, 2024
346
Part D claims, 2024
2,178
Publications
31
Hospital affiliations
2
Practice address
234 E 85th St, New York, NY 10028
Practice phone
Call (212) 241-0939
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ophthalmology Department of Mount Sinai

New York, New York

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Dr. Nisha Chadha is a glaucoma specialist (ophthalmology) physician in New York, New York

Dr. Chadha practices at Ophthalmology Department of Mount Sinai in New York, New York.

Dr. Chadha's NPI, 1295052819, was assigned on April 21, 2010. Dr. Chadha graduated from George Washington University School of Medicine and Health Sciences in 2010. Dr. Chadha holds New York license 280174.

NPI and contact details
Medicare PAC ID
9638394315
NPI enumeration date
April 21, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(212) 241-0939
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

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

Dr. Nisha Chadha practices at Ophthalmology Department of Mount Sinai in New York, New York

Dr. Chadha's primary practice is Ophthalmology Department of Mount Sinai, at 234 E 85th St, New York, NY 10028 in New York County. The practice phone is (212) 241-0939.

  • Ophthalmology Department of Mount Sinai
    234 E 85th St, New York, NY 10028 · New York CountyPhone(212) 241-0939

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Nisha Chadha is affiliated with 4 sites of care and 1 medical group

Dr. Chadha's primary practice is Ophthalmology Department of Mount Sinai in New York, New York. Dr. Chadha is also affiliated with The Mount Sinai Hospital. The medical group on file is Mount Sinai Institute for Liver Medicine. Dmand AI also links Dr. Chadha to 1 more hospital and 1 group practice or clinic, each named with a free account.

See all 5 affiliations for Dr. Chadha

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Nisha Chadha's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chadha practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ophthalmology Department of Mount SinaiAvailable with a free account
+3 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Nisha Chadha is one of 33 glaucoma specialist (ophthalmology) physicians in New York

Glaucoma specialist is Dr. Chadha's primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dr. Chadha is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Chadha's licenses on file in 3 states: New York, Connecticut and District of Columbia.

Specialties and state licenses

  • Glaucoma specialist (ophthalmology), New YorkPrimaryLicense 280174 · 2015 to 2026 · taxonomy 207WX0009X
  • Ophthalmology, ConnecticutLicense 052885 · 2014 to 2016 · taxonomy 207W00000X
  • District of Columbia license2010 to 2012

Clinical focus

Dmand AI lists cataract, cataract surgery with lens implant, conjunctivitis, dry eye, eyelid inflammation, glaucoma, glaucoma surgery and secondary membranaous cataract surgery among the conditions Dr. Chadha treats.

Glaucoma specialist (ophthalmology) physicians near Dr. Chadha

Counts of glaucoma specialist (ophthalmology) physicians 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. Nisha Chadha billed Medicare for 1,355 services in 2024

CMS data shows 1,355 Medicare services from Dr. Chadha across 11 procedure codes in 2024, for 346 Medicare patients. Medicare paid $75,121 for them.

Medicare services, 20241,355
Medicare patients346
Paid by Medicare$75,121
Procedure codes11

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

  • 2023
  • 2024
Tests and treatments
2023: 8602024: 1,30852%
Surgery
2023: 232024: 2613%
Imaging
2023: 02024: 21

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

  • In an office90667%
  • In a facility44933%

Dr. Chadha compared with the New York median for glaucoma specialist (ophthalmology) physicians, 2024

  • Dr. Chadha
  • New York median
Medicare services
1,355vs 1,4597% below
Medicare patients
346vs 43921% below
Part D claims
2,096vs 2,38012% below

Medians across 34 glaucoma specialist (ophthalmology) physicians in New York with Dmand AI profiles that report each measure.

Dr. Chadha'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. Chadha and other glaucoma specialist (ophthalmology) physicians in New York.

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

Dr. Nisha Chadha treated 346 Medicare patients in 2024, average age 75

CMS counts 346 Medicare patients who saw Dr. Chadha in 2024. The largest group is 75 to 84, with 143 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.34, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chadha's median patient age at 70, with 57% women.

Medicare patients, 2024346
Average age75
Average risk score1.34
Also on Medicaid23%

Dr. Chadha's Medicare patients by age, 2024

Dr. Chadha's Medicare patients by sex, 2024

  • Women22565%
  • Men12135%

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

  1. High cholesterol75%
  2. High blood pressure73%
  3. Arthritis49%
  4. Diabetes35%
  5. Ischemic heart disease28%
  6. Osteoporosis22%
  7. Chronic kidney disease21%
  8. Mood disorders20%

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

Dr. Chadha's patients across all payers

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

Patient panel by age, all payers

Median age 70

Patient panel by sex, all payers

  • Women57%
  • Men40%

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

Dr. Nisha Chadha wrote 2,178 Medicare Part D claims in 2024

In 2024, Dr. Chadha wrote 2,178 Medicare Part D claims for 374 patients. 65% of them were for generic drugs. CMS names the drug for 2,096 of them, across 21 drugs with 11 or more claims each, at $354,113 in total drug cost. In 2023, CMS named 1,305 claims across 17 drugs.

Part D claims, 20242,178
Drugs named by CMS21
Total drug cost$354,113
Part D patients374

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

  • Generic1,411 claims65%
  • Brand-name767 claims35%

Dr. Chadha'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: 1,3052024: 2,09661%

Drugs named by CMS: 21 in 2024, 17 in 2023.

See all prescribing by Dr. Chadha

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. Nisha Chadha ranks in the 48th percentile for cataract surgery in Medicare

Dr. Chadha accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 24 procedures of cataract surgery by Dr. Chadha, more than 48% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Chadha ranks in Medicare procedure volume

Cataract surgery
48th percentile24 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Nisha Chadha has 31 publications on record

Dmand AI links 31 papers to Dr. Chadha, published from 2014 to 2023. 2023 was the busiest year, with 6. The most frequent topics are Ophthalmology, Students, Medical and Curriculum. Dr. Chadha has published most often in Clin Ophthalmol. Dr. Chadha's most frequent co-authors are Ji Liu, MD, David Anthony Belyea, MD and Douglas R. Fredrick, MD.

Papers31
Years published2014 to 2023

Dr. Chadha's papers by year, 2014 to 2023

Topics Dr. Chadha writes about most

  • Ophthalmology
  • Students, Medical
  • Curriculum
  • Clinical Competence
  • Education, Medical, Undergraduate
  • Glaucoma
  • Intraocular Pressure
  • Internship and Residency

Dr. Chadha's most frequent co-authors

Recent publications by Dr. Chadha

See all 31 publications and co-authors

See who Dr. Chadha researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chadha works with, so you can find a warm path to the right glaucoma specialist (ophthalmology) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nisha Chadha received $1,729 in industry payments from 2016 to 2025

CMS Open Payments shows 20 general payments to Dr. Chadha from 10 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. New World Medical,inc. paid the most, $369.

General payments to Dr. Chadha by program year, 2016 to 2025

Companies that paid Dr. Chadha the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chadha

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

Dr. Nisha Chadha graduated from George Washington University School of Medicine and Health Sciences

Dr. Chadha graduated from George Washington University School of Medicine and Health Sciences in 2010.

  1. Medical schoolGeorge Washington University School of Medicine and Health Sciences
  2. Board certified in ophthalmologyAmerican Board of Ophthalmology

Source: Dmand AI Professional Profile Data

Dr. Nisha Chadha accepts plans from 16 insurance carriers

Dr. Chadha 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
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • Cigna
  • +8 more carriersWith a free account

Plan types Dr. Chadha accepts, by number of carriers

  1. Medicare10
  2. PPO10
  3. HMO7
  4. POS5
  5. EPO4
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Nisha Chadha'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
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. Nisha Chadha

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. Nisha Chadha's NPI number?

Dr. Nisha Chadha's NPI number is 1295052819. It was assigned on April 21, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Nisha Chadha?

Dr. Nisha Chadha is a glaucoma specialist (ophthalmology) physician in New York, New York. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).

Where does Dr. Nisha Chadha practice?

Dr. Chadha practices at 234 E 85th St, New York, NY 10028. Dr. Chadha's primary practice is Ophthalmology Department of Mount Sinai in New York, New York. Dmand AI also links Dr. Chadha to 1 hospital and 1 group practice or clinic.

What is Dr. Nisha Chadha's office phone number?

The practice phone on file for Dr. Chadha is (212) 241-0939.

What is Dr. Nisha Chadha's medical license number?

Dr. Chadha holds New York license 280174, one of the licenses on file in 3 states.

Which states has Dr. Nisha Chadha been licensed in?

Dmand AI has state licenses on file for Dr. Chadha in New York (2015 to 2026), Connecticut (2014 to 2016) and District of Columbia (2010 to 2012).

Which hospitals is Dr. Nisha Chadha affiliated with?

Dr. Chadha is affiliated with The Mount Sinai Hospital. Dmand AI links Dr. Chadha to 1 more hospital.

What medical group is Dr. Nisha Chadha part of?

Dr. Chadha is linked to Mount Sinai Institute for Liver Medicine.

Does Dr. Nisha Chadha accept Medicare?

Yes. CMS data shows Dr. Chadha billed Medicare for 1,355 services in 2024, and Dr. Chadha accepts Medicare assignment.

How many Medicare patients does Dr. Nisha Chadha see?

CMS counts 346 Medicare patients who saw Dr. Chadha in 2024, with an average age of 75.

Show 9 more questionsShow fewer questions

Is Dr. Nisha Chadha board certified?

Yes. Dr. Chadha is board certified in ophthalmology by the American Board of Ophthalmology.

What services does Dr. Nisha Chadha bill to Medicare?

In 2024, Dr. Chadha's most billed Medicare services were eye exam or test (92012), eye exam or test (92014) and eye exam or test (92083).

Where did Dr. Nisha Chadha go to medical school?

Dr. Chadha graduated from George Washington University School of Medicine and Health Sciences in 2010.

What drugs does Dr. Nisha Chadha prescribe most?

In 2024 Medicare Part D data, Dr. Chadha's most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Brimonidine Tartrate.

Has Dr. Nisha Chadha received payments from drug or device companies?

CMS Open Payments shows $1,729 in general payments to Dr. Chadha from 10 companies from 2016 to 2025. The largest total came from New World Medical,inc.

How long has Dr. Nisha Chadha been practicing?

Dr. Chadha graduated from medical school in 2010, 16 years ago.

Does Dr. Nisha Chadha do research?

Dmand AI links 31 publications to Dr. Chadha, published from 2014 to 2023.

Who does Dr. Nisha Chadha publish with?

Dr. Chadha's most frequent co-authors are Ji Liu, MD (5 shared papers), David Anthony Belyea, MD (4 shared papers) and Douglas R. Fredrick, MD (3 shared papers).

What insurance does Dr. Nisha Chadha accept?

Dr. Chadha 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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