AnalgesicsBotulinum Toxins, Type AHeadache Disorders
Dr. Charulatha P. Nagar, MD
NPI1104810191PAC ID2860667128
- Medicare services, 2024
- 9,208
- Medicare patients, 2024
- 463
- Part D claims, 2024
- 2,425
- Publications
- 1
- MIPS score, 2024
- 95
- Practice address
- 800 N Westmoreland Rd, Lake Forest, IL 60045
- Practice phone
- Call (312) 695-0646
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwestern Medical Group
Lake Forest, Illinois
Find Dr. Nagar's professional email, personal email and mobile number
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Dr. Charulatha P. Nagar is a neurologist in Lake Forest, Illinois
Dr. Nagar practices at Northwestern Medical Group in Lake Forest, Illinois.
Dr. Nagar's NPI, 1104810191, was assigned on September 6, 2005. Dr. Nagar holds Illinois license 36103518.
NPI and contact details
- NPI
- 1104810191NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860667128
- NPI enumeration date
- September 6, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (312) 695-0646
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charulatha P. Nagar practices at Northwestern Medical Group in Lake Forest, Illinois
Dr. Nagar's primary practice is Northwestern Medical Group, at 800 N Westmoreland Rd, Lake Forest, IL 60045 in Lake County. The practice phone is (312) 695-0646.
- Northwestern Medical Group800 N Westmoreland Rd, Lake Forest, IL 60045 · Lake CountyPhone(312) 695-0646
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charulatha P. Nagar is affiliated with 7 sites of care and 1 medical group
Dr. Nagar's primary practice is Northwestern Medical Group in Lake Forest, Illinois. Dr. Nagar is also affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. The medical group on file is Northwestern Medical Faculty Foundation. Dmand AI also links Dr. Nagar to 5 more hospitals, each named with a free account.
Northwestern Medical GroupPrimary
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. Charulatha P. Nagar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nagar practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwestern Medical Group | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charulatha P. Nagar is one of 822 neurologists in Illinois
Neurology is Dr. Nagar's primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Nagar is licensed in Illinois.
Specialties and state licenses
- Neurology, IllinoisPrimary
Neurologists near Dr. Nagar
Counts of neurologists with a Dmand AI profile, by place and practice. Each opens the list.
822neurologists in Illinois
6neurologists in Lake Forest
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Charulatha P. Nagar billed Medicare for 9,208 services in 2024
CMS data shows 9,208 Medicare services from Dr. Nagar across 11 procedure codes in 2024, for 463 Medicare patients. Medicare paid $156,123 for them. Every service was in an office.
Medicare services, 20249,208
Medicare patients463
Paid by Medicare$156,123
Procedure codes11
Dr. Nagar's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 18,9802024: 7,55760%
- Office and hospital visits
- 2023: 6412024: 70610%
- Other services
- 2023: 02024: 545
- Tests and treatments
- 2023: 3702024: 4008%
- Surgery
- 2023: 292024: 0100%
Dr. Nagar compared with the Illinois median for neurologists, 2024
- Dr. Nagar
- Illinois median
- Medicare services
- 9,208vs 40123.0 times
- Medicare patients
- 463vs 2252.1 times
- Part D claims
- 2,039vs 3186.4 times
Medians across 747 neurologists in Illinois with Dmand AI profiles that report each measure.
Dr. Nagar'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. Nagar and other neurologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charulatha P. Nagar treated 463 Medicare patients in 2024, average age 75
CMS counts 463 Medicare patients who saw Dr. Nagar in 2024. The largest group is 75 to 84, with 185 patients. 75% of them have high cholesterol, and 70% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.40, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nagar's median patient age at 71, with 63% women.
Medicare patients, 2024463
Average age75
Average risk score1.40
Also on Medicaid8%
Dr. Nagar's Medicare patients by age, 2024
Dr. Nagar's Medicare patients by sex, 2024
- Women30466%
- Men15934%
Chronic conditions among Dr. Nagar's Medicare patients, 2024
- High cholesterol75%
- High blood pressure70%
- Arthritis63%
- Anxiety32%
- Ischemic heart disease32%
- Mood disorders29%
- Osteoporosis28%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nagar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women63%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charulatha P. Nagar wrote 2,425 Medicare Part D claims in 2024
In 2024, Dr. Nagar wrote 2,425 Medicare Part D claims for 341 patients. 87% of them were for generic drugs. CMS names the drug for 2,039 of them, across 57 drugs with 11 or more claims each, at $1,183,416 in total drug cost. In 2023, CMS named 1,837 claims across 53 drugs.
Part D claims, 20242,425
Drugs named by CMS57
Total drug cost$1.2M
Part D patients341
Dr. Nagar's Part D claims by kind of drug, 2024
- Generic2,104 claims87%
- Brand-name and other321 claims13%
Dr. Nagar'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. Nagar's Part D claims, 2024
- Opioids1%15 of 2,425 claims
- Antipsychotics, patients 65 and over2%38 of 2,425 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: 1,8372024: 2,03911%
Drugs named by CMS: 57 in 2024, 53 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. Charulatha P. Nagar scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Nagar for performance year 2024, reported through an alternative payment model (APM). Dr. Nagar accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nagar as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Nagar's MIPS scores, performance year 2024
- 95of 100Final score
- 83of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charulatha P. Nagar has 1 publication on record
Dmand AI links 1 paper to Dr. Nagar in 2019.
Papers1
Recent publications by Dr. Nagar
See who Dr. Nagar researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nagar works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Charulatha P. Nagar received $112,240 in industry payments from 2016 to 2025
CMS Open Payments shows 324 general payments to Dr. Nagar from 18 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 65% of the total. Argenx US, Inc. paid the most, $107,317.
General payments to Dr. Nagar by program year, 2016 to 2025
General payments to Dr. Nagar by kind, 2016 to 2025
$112.2Kin total
- Speaker and faculty fees$73,37565%
- Consulting fees$21,94020%
- Travel and lodging$10,4409%
- Food and beverage$6,4196%
- Education$650%
Companies that paid Dr. Nagar 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. Charulatha P. Nagar's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charulatha P. Nagar
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. Charulatha P. Nagar's NPI number?
Dr. Charulatha P. Nagar's NPI number is 1104810191. It was assigned on September 6, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Charulatha P. Nagar?
Dr. Charulatha P. Nagar is a neurologist in Lake Forest, Illinois. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Charulatha P. Nagar practice?
Dr. Nagar practices at 800 N Westmoreland Rd, Lake Forest, IL 60045. Dr. Nagar's primary practice is Northwestern Medical Group in Lake Forest, Illinois. Dmand AI also links Dr. Nagar to 5 hospitals.
What is Dr. Charulatha P. Nagar's office phone number?
The practice phone on file for Dr. Nagar is (312) 695-0646.
What is Dr. Charulatha P. Nagar's medical license number?
Dr. Nagar holds Illinois license 36103518.
Which hospitals is Dr. Charulatha P. Nagar affiliated with?
Dr. Nagar is affiliated with Northwestern Medicine Catherine Gratz Griffin Lake Forest Hospital. Dmand AI links Dr. Nagar to 5 more hospitals.
What medical group is Dr. Charulatha P. Nagar part of?
Dr. Nagar is linked to Northwestern Medical Faculty Foundation.
Does Dr. Charulatha P. Nagar accept Medicare?
Yes. CMS data shows Dr. Nagar billed Medicare for 9,208 services in 2024, and Dr. Nagar accepts Medicare assignment.
Does Dr. Charulatha P. Nagar offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nagar as offering telehealth services.
What is Dr. Charulatha P. Nagar's MIPS score?
Dr. Nagar's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Charulatha P. Nagar see?
CMS counts 463 Medicare patients who saw Dr. Nagar in 2024, with an average age of 75.
What services does Dr. Charulatha P. Nagar bill to Medicare?
In 2024, Dr. Nagar's most billed Medicare services were injected or infused drug (J0585), medicare service (G2211) and office visit, established patient (99215).
What drugs does Dr. Charulatha P. Nagar prescribe most?
In 2024 Medicare Part D data, Dr. Nagar's most prescribed drugs by claims were Gabapentin, Memantine HCl and Pyridostigmine Bromide.
Has Dr. Charulatha P. Nagar received payments from drug or device companies?
CMS Open Payments shows $112,240 in general payments to Dr. Nagar from 18 companies from 2016 to 2025. The largest total came from Argenx US, Inc.
How long has Dr. Charulatha P. Nagar been practicing?
Dr. Nagar graduated from medical school in 1989, 37 years ago.
Does Dr. Charulatha P. Nagar do research?
Dmand AI links 1 publication to Dr. Nagar.
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