Ajaypal Singh, MBBS
- Medicare services, 2024
- 363
- Medicare patients, 2024
- 216
- Part D claims, 2024
- 135
- Publications
- 28
- Hospital affiliations
- 3
- Practice address
- 1653 West Congress Parkway, Chicago, IL 60612
- Practice phone
- Call (312) 942-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Ajaypal Singh is a gastroenterologist in Chicago, Illinois
Ajaypal Singh practices at Rush University Medical Center in Chicago, Illinois, part of Rush System for Health.
Ajaypal Singh's NPI, 1568696409, was assigned on May 6, 2009. Ajaypal Singh graduated from All India Institute of Medical Sciences in 2006. Ajaypal Singh holds Illinois license 036129894.
- NPI
- 1568696409NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9436443074
- NPI enumeration date
- May 6, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (312) 942-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Ajaypal Singh practices at Rush University Medical Center in Chicago, Illinois
Ajaypal Singh's primary practice is Rush University Medical Center, at 1653 West Congress Parkway, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.
- Rush University Medical Center1653 West Congress Parkway, Chicago, IL 60612 · Cook CountyPhone(312) 942-5000
Source: Dmand AI Affiliation Data
Ajaypal Singh is affiliated with 4 sites of care and 1 medical group
Ajaypal Singh's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Ajaypal Singh is also affiliated with Rush Oak Park Hospital. The medical group on file is Rush University Internists. Dmand AI also links Ajaypal Singh to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Ajaypal Singh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ajaypal Singh practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Rush University Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Ajaypal Singh is one of 771 gastroenterologists in Illinois
Gastroenterology is Ajaypal Singh's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Ajaypal Singh is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Ajaypal Singh's licenses on file in 3 states: Illinois, Alabama and Ohio.
Specialties and state licenses
- Gastroenterology, IllinoisPrimary
- Alabama license
- Ohio license
Clinical focus
Dmand AI lists colonoscopy, pancreas or bile duct endoscopy (ERCP) and upper GI endoscopy among the conditions Ajaypal Singh treats.
Gastroenterologists near Ajaypal Singh
Counts of gastroenterologists 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
Ajaypal Singh billed Medicare for 363 services in 2024
CMS data shows 363 Medicare services from Ajaypal Singh across 12 procedure codes in 2024, for 216 Medicare patients. Medicare paid $54,963 for them. Every service was in a facility, such as a hospital, rather than an office.
Ajaypal Singh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 2882024: 3015%
- Imaging
- 2023: 682024: 629%
Ajaypal Singh compared with the Illinois median for gastroenterologists, 2024
- Ajaypal Singh
- Illinois median
- Medicare services
- 363vs 49827% below
- Medicare patients
- 216vs 30730% below
- Part D claims
- 111vs 37070% below
Medians across 757 gastroenterologists in Illinois with Dmand AI profiles that report each measure.
Ajaypal Singh'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 Ajaypal Singh and other gastroenterologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Ajaypal Singh treated 216 Medicare patients in 2024, average age 73
CMS counts 216 Medicare patients who saw Ajaypal Singh in 2024. The largest group is 65 to 74, with 97 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 23% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Ajaypal Singh's median patient age at 70, with 47% women.
Ajaypal Singh's Medicare patients by age, 2024
Ajaypal Singh's Medicare patients by sex, 2024
- Women10950%
- Men10750%
Chronic conditions among Ajaypal Singh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis44%
- Diabetes41%
- Ischemic heart disease39%
- Chronic kidney disease25%
- Mood disorders25%
- COPD24%
Share of Medicare patients with each condition. A patient can have several.
Ajaypal Singh'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
- Women47%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Ajaypal Singh wrote 135 Medicare Part D claims in 2024
In 2024, Ajaypal Singh wrote 135 Medicare Part D claims for 113 patients. 73% of them were for generic drugs. CMS names the drug for 111 of them, across 4 drugs with 11 or more claims each, at $3,075 in total drug cost. In 2023, CMS named 62 claims across 1 drug.
Ajaypal Singh's Part D claims by kind of drug, 2024
- Generic98 claims73%
- Brand-name37 claims27%
Ajaypal Singh'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: 622024: 11179%
Drugs named by CMS: 4 in 2024, 1 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
Ajaypal Singh ranks in the 98th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Ajaypal Singh accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 414 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Ajaypal Singh, more than 98% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Ajaypal Singh ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 98th percentile414 procedures
- Colonoscopy
- 60th percentile43 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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Ajaypal Singh has 28 publications on record
Dmand AI links 28 papers to Ajaypal Singh, published from 2014 to 2025. 2014 was the busiest year, with 3. The most frequent topics are Endoscopy, Gastrointestinal, Colonoscopy and Endoscopy. Ajaypal Singh has published most often in Gastrointest Endosc. Ajaypal Singh's most frequent co-authors are Irving Waxman, MD, Christopher Grant Chapman, MD and Neal Ambrish Mehta.
Ajaypal Singh's papers by year, 2014 to 2025
Topics Ajaypal Singh writes about most
- Endoscopy, Gastrointestinal
- Colonoscopy
- Endoscopy
- Gastroenterology
- Artificial Intelligence
- Colonic Polyps
- Endoscopic Mucosal Resection
- Endoscopy, Digestive System
Ajaypal Singh's most frequent co-authors
- Irving Waxman, MD7 shared papers
- Christopher Grant Chapman, MD5 shared papers
- Neal Ambrish Mehta5 shared papers
Recent publications by Ajaypal Singh
Gastrointest Endosc
See who Ajaypal Singh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Ajaypal Singh works with, so you can find a warm path to the right gastroenterologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Ajaypal Singh received $42,654 in industry payments from 2016 to 2025
CMS Open Payments shows 161 general payments to Ajaypal Singh from 19 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 41% of the total. Boston Scientific Corporation paid the most, $20,900.
General payments to Ajaypal Singh by program year, 2016 to 2025
General payments to Ajaypal Singh by kind, 2016 to 2025
- Speaker and faculty fees$17,42541%
- Consulting fees$9,20022%
- Food and beverage$6,73116%
- Travel and lodging$5,02812%
- Education$4,27010%
Companies that paid Ajaypal Singh the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Ajaypal Singh graduated from All India Institute of Medical Sciences
Ajaypal Singh graduated from All India Institute of Medical Sciences in 2006.
- Medical school
- Board certified in gastroenterology
Source: Dmand AI Professional Profile Data
Ajaypal Singh accepts plans from 17 insurance carriers
Ajaypal Singh is in network with 17 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- Cigna
- HCSC
- United Healthcare
- Humana
- Aetna
- Aspirus Health Plan
- +9 more carriersWith a free account
Plan types Ajaypal Singh accepts, by number of carriers
- PPO12
- HMO9
- Medicare9
- POS6
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Ajaypal Singh'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)Doctors and Clinicians Utilization Data (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 |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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 Ajaypal Singh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Ajaypal Singh's NPI number?
Ajaypal Singh's NPI number is 1568696409. It was assigned on May 6, 2009, and it is active in the NPI Registry.
What does Ajaypal Singh specialize in?
Ajaypal Singh is a gastroenterologist in Chicago, Illinois. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Ajaypal Singh practice?
Ajaypal Singh practices at 1653 West Congress Parkway, Chicago, IL 60612. Ajaypal Singh's primary practice is Rush University Medical Center in Chicago, Illinois, part of Rush System for Health. Dmand AI also links Ajaypal Singh to 1 hospital and 1 group practice or clinic.
What is Ajaypal Singh's office phone number?
The practice phone on file for Ajaypal Singh is (312) 942-5000.
What is Ajaypal Singh's medical license number?
Ajaypal Singh holds Illinois license 036129894, one of the licenses on file in 3 states.
Which states has Ajaypal Singh been licensed in?
Dmand AI has state licenses on file for Ajaypal Singh in Illinois (2012 to 2026), Alabama (since 2009) and Ohio (2015 to 2018).
Which hospitals is Ajaypal Singh affiliated with?
Ajaypal Singh practices at Rush University Medical Center in Chicago, Illinois. Ajaypal Singh is also affiliated with Rush Oak Park Hospital. Dmand AI links Ajaypal Singh to 1 more hospital.
What medical group is Ajaypal Singh part of?
Ajaypal Singh is linked to Rush University Internists.
Does Ajaypal Singh accept Medicare?
Yes. CMS data shows Ajaypal Singh billed Medicare for 363 services in 2024, and Ajaypal Singh accepts Medicare assignment.
How many Medicare patients does Ajaypal Singh see?
CMS counts 216 Medicare patients who saw Ajaypal Singh in 2024, with an average age of 73.
Show 9 more questionsShow fewer questions
Is Ajaypal Singh board certified?
Yes. Ajaypal Singh is board certified in gastroenterology by the American Board of Internal Medicine.
What services does Ajaypal Singh bill to Medicare?
In 2024, Ajaypal Singh's most billed Medicare services were diagnostic imaging (74328), surgery: digestive system (43242) and surgery: digestive system (43239).
Where did Ajaypal Singh go to medical school?
Ajaypal Singh graduated from All India Institute of Medical Sciences in 2006.
What drugs does Ajaypal Singh prescribe most?
In 2024 Medicare Part D data, Ajaypal Singh's most prescribed drugs by claims were Gavilyte-G, Sod Sulf-Potass Sulf-Mag Sulf and Peg-3350 And Electrolytes.
Has Ajaypal Singh received payments from drug or device companies?
CMS Open Payments shows $42,654 in general payments to Ajaypal Singh from 19 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.
How long has Ajaypal Singh been practicing?
Ajaypal Singh graduated from medical school in 2006, 20 years ago.
Does Ajaypal Singh do research?
Dmand AI links 28 publications to Ajaypal Singh, published from 2014 to 2025.
Who does Ajaypal Singh publish with?
Ajaypal Singh's most frequent co-authors are Irving Waxman, MD (7 shared papers), Christopher Grant Chapman, MD (5 shared papers) and Neal Ambrish Mehta (5 shared papers).
What insurance does Ajaypal Singh accept?
Ajaypal Singh is in network with 17 carriers, including Elevance, Blue Cross Blue Shield of Michigan and Cigna. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.
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