Dr. Sanjay K. Nigam, MD
- Medicare services, 2024
- 579
- Medicare patients, 2024
- 111
- Part D claims, 2024
- 4,270
- Publications
- 72
- Clinical trials
- 1
- Practice address
- 6805 State Route 162, Maryville, IL 62062
- Practice phone
- Call (618) 288-5019
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Psychiatric Walk-In Clinic
Urgent Care Center · Maryville, Illinois
Find Dr. Nigam'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. Sanjay K. Nigam is a psychiatrist in Maryville, Illinois
Dr. Nigam practices at Psychiatric Walk-In Clinic in Maryville, Illinois.
Dr. Nigam's NPI, 1942278973, was assigned on March 8, 2006. Dr. Nigam holds Illinois license 036107024.
- NPI
- 1942278973NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658362504
- NPI enumeration date
- March 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (618) 288-5019
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Sanjay K. Nigam practices at Psychiatric Walk-in Clinic in Maryville, Illinois
Dr. Nigam's primary practice is Psychiatric Walk-in Clinic, at 6805 State Route 162, Maryville, IL 62062. The practice phone is (618) 288-5019.
- Psychiatric Walk-in Clinic6805 State Route 162, Maryville, IL 62062Phone(618) 288-5019
Source: Dmand AI Affiliation Data
Dr. Sanjay K. Nigam is affiliated with 4 sites of care and 1 medical group
Dr. Nigam's primary practice is Psychiatric Walk-In Clinic in Maryville, Illinois. Dr. Nigam is also affiliated with Memorial Hospital in Belleville. The medical group on file is Southern Illinois Associates, LLC. Dmand AI also links Dr. Nigam to 1 more hospital and 1 group practice or clinic, each named with a free account. Dr. Nigam's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sanjay K. Nigam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nigam practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Psychiatric Walk-In Clinic | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Sanjay K. Nigam is one of 1,527 psychiatrists in Illinois
Psychiatry is Dr. Nigam's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Nigam is licensed in Illinois.
Specialties and state licenses
- Psychiatry, IllinoisPrimary
Psychiatrists near Dr. Nigam
Counts of psychiatrists 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. Sanjay K. Nigam billed Medicare for 579 services in 2024
CMS data shows 579 Medicare services from Dr. Nigam across 6 procedure codes in 2024, for 111 Medicare patients. Medicare paid $33,929 for them. Every service was in an office.
Dr. Nigam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4262024: 25640%
- Tests and treatments
- 2023: 3092024: 19138%
- Other services
- 2023: 02024: 99
- Lab and pathology
- 2023: 932024: 3365%
Dr. Nigam compared with the Illinois median for psychiatrists, 2024
- Dr. Nigam
- Illinois median
- Medicare services
- 579vs 2032.9 times
- Medicare patients
- 111vs 6376% above
- Part D claims
- 4,092vs 17423.5 times
Medians across 1,588 psychiatrists in Illinois with Dmand AI profiles that report each measure.
Dr. Nigam'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. Nigam and other psychiatrists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Sanjay K. Nigam treated 111 Medicare patients in 2024, average age 67
CMS counts 111 Medicare patients who saw Dr. Nigam in 2024. The largest group is 65 to 74, with 53 patients. 75% of them have anxiety, and 75% have depression. 20% 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. Nigam's median patient age at 44, with 58% women.
Dr. Nigam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nigam's Medicare patients by sex, 2024
- Women6962%
- Men4238%
Chronic conditions among Dr. Nigam's Medicare patients, 2024
- Anxiety75%
- Depression75%
- High cholesterol75%
- Mood disorders75%
- High blood pressure72%
- Arthritis46%
- Diabetes28%
- Chronic kidney disease26%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nigam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 44
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Sanjay K. Nigam wrote 4,270 Medicare Part D claims in 2024
In 2024, Dr. Nigam wrote 4,270 Medicare Part D claims for 311 patients. 94% of them were for generic drugs. CMS names the drug for 4,092 of them, across 59 drugs with 11 or more claims each, at $512,125 in total drug cost. In 2023, CMS named 5,175 claims across 61 drugs.
Dr. Nigam's Part D claims by kind of drug, 2024
- Generic4,005 claims94%
- Brand-name265 claims6%
Dr. Nigam'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. Nigam's Part D claims, 2024
- Antipsychotics, patients 65 and over11%489 of 4,270 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: 5,1752024: 4,09221%
Drugs named by CMS: 59 in 2024, 61 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. Sanjay K. Nigam offers telehealth to Medicare patients
Dr. Nigam accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Nigam as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Sanjay K. Nigam has 72 publications on record
Dmand AI links 72 papers to Dr. Nigam, published from 2008 to 2025. 2020 was the busiest year, with 6. The most frequent topics are Kidney, Biological Transport and Organic Anion Transport Protein 1. Dr. Nigam has published most often in Clin Pharmacol Ther. Dr. Nigam's most frequent co-authors are Satish Abraham Eraly, MD/PHD, Gabriel George Haddad, MD and Shailendra K. Saxena, MD.
Dr. Nigam's papers by year, 2016 to 2025
Topics Dr. Nigam writes about most
- Kidney
- Biological Transport
- Organic Anion Transport Protein 1
- Organic Anion Transporters
- Signal Transduction
- Organic Anion Transporters, Sodium-Independent
- Membrane Transport Proteins
- Mice, Knockout
Dr. Nigam's most frequent co-authors
- Satish Abraham Eraly, MD/PHD4 shared papers
- Gabriel George Haddad, MD2 shared papers
- Shailendra K. Saxena, MD2 shared papers
Recent publications by Dr. Nigam
See who Dr. Nigam researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nigam works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Sanjay K. Nigam has worked on 1 clinical trial
Dmand AI links Dr. Nigam to 1 clinical trial. Conditions studied include Delusions and Hallucinations. Open Payments lists research payments to Dr. Nigam that name 1 trial.
Conditions in Dr. Nigam's trials
- Delusions
- Hallucinations
Investigators on the most trials with Dr. Nigam
- Jason Lamar Aldred, MD1 shared trial
- Gustavo Alva, MD1 shared trial
- Thomas Mark Banas, MD1 shared trial
Recent clinical trials with Dr. Nigam
Relapse Prevention Study of Pimavanserin in Dementia-related Psychosis (opens in a new tab)
Sources: Open Payments (CMS), 2025 data, released July 7, 2026; Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Sanjay K. Nigam received $110,646 in industry payments from 2016 to 2025
CMS Open Payments shows 760 general payments to Dr. Nigam from 36 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 59% of the total. Janssen Pharmaceuticals, Inc paid the most, $70,911. It also lists 6 research payments totaling $11,500 from 2019 to 2021, naming 1 clinical trial.
General payments to Dr. Nigam by program year, 2016 to 2025
General payments to Dr. Nigam by kind, 2016 to 2025
- Speaker and faculty fees$65,25559%
- Consulting fees$21,66520%
- Food and beverage$12,56111%
- Travel and lodging$10,91810%
- Education$2470%
Companies that paid Dr. Nigam 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. Sanjay K. Nigam'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Sanjay K. Nigam
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. Sanjay K. Nigam's NPI number?
Dr. Sanjay K. Nigam's NPI number is 1942278973. It was assigned on March 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Sanjay K. Nigam?
Dr. Sanjay K. Nigam is a psychiatrist in Maryville, Illinois. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Sanjay K. Nigam practice?
Dr. Nigam practices at 6805 State Route 162, Maryville, IL 62062. Dr. Nigam's primary practice is Psychiatric Walk-In Clinic in Maryville, Illinois. Dmand AI also links Dr. Nigam to 1 hospital and 1 group practice or clinic.
What is Dr. Sanjay K. Nigam's office phone number?
The practice phone on file for Dr. Nigam is (618) 288-5019.
What is Dr. Sanjay K. Nigam's medical license number?
Dr. Nigam holds Illinois license 036107024.
Which hospitals is Dr. Sanjay K. Nigam affiliated with?
Dr. Nigam is affiliated with Memorial Hospital in Belleville. Dmand AI links Dr. Nigam to 1 more hospital.
What medical group is Dr. Sanjay K. Nigam part of?
Dr. Nigam is linked to Southern Illinois Associates, LLC.
Does Dr. Sanjay K. Nigam accept Medicare?
Yes. CMS data shows Dr. Nigam billed Medicare for 579 services in 2024, and Dr. Nigam accepts Medicare assignment.
Does Dr. Sanjay K. Nigam offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Nigam as offering telehealth services.
How many Medicare patients does Dr. Sanjay K. Nigam see?
CMS counts 111 Medicare patients who saw Dr. Nigam in 2024, with an average age of 67.
Show 6 more questionsShow fewer questions
What services does Dr. Sanjay K. Nigam bill to Medicare?
In 2024, Dr. Nigam's most billed Medicare services were office visit, established patient (99214), health assessment (96127) and medicare service (G2211).
What drugs does Dr. Sanjay K. Nigam prescribe most?
In 2024 Medicare Part D data, Dr. Nigam's most prescribed drugs by claims were Quetiapine Fumarate, Sertraline HCl and Duloxetine HCl.
Has Dr. Sanjay K. Nigam received payments from drug or device companies?
CMS Open Payments shows $110,646 in general payments to Dr. Nigam from 36 companies from 2016 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Sanjay K. Nigam been practicing?
Dr. Nigam graduated from medical school in 1990, 36 years ago.
Does Dr. Sanjay K. Nigam do research?
Dmand AI links 72 publications to Dr. Nigam, published from 2008 to 2025. Dr. Nigam has worked on 1 clinical trial.
Who does Dr. Sanjay K. Nigam publish with?
Dr. Nigam's most frequent co-authors are Satish Abraham Eraly, MD/PHD (4 shared papers), Gabriel George Haddad, MD (2 shared papers) and Shailendra K. Saxena, MD (2 shared papers).
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