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Dr. Karnail Singh, MD
NPI1871593202PAC ID3375577547
- Medicare services, 2024
- 243
- Medicare patients, 2024
- 73
- Part D claims, 2024
- 736
- Publications
- 1
- Hospital affiliations
- 1
- Practice address
- 19415 Deerfield Ave, Lansdowne, VA 20176-8470
- Practice phone
- Call (703) 729-2626
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Loudoun Medical Care
Multi-specialty group site · Lansdowne, Virginia
Find Dr. Singh's professional email, personal email and mobile number
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Dr. Karnail Singh is an internist in Leesburg, Virginia
Dr. Singh practices at Loudoun Medical Care in Lansdowne, Virginia.
Dr. Singh's NPI, 1871593202, was assigned on July 28, 2005. Dr. Singh holds Virginia license 0101058812.
NPI and contact details
- NPI
- 1871593202NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375577547
- NPI enumeration date
- July 28, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 729-2626
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karnail Singh practices at Loudoun Medical Care in Lansdowne, Virginia
Dr. Singh's primary practice is Loudoun Medical Care, at 19415 Deerfield Ave, Lansdowne, VA 20176-8470. The practice phone is (703) 729-2626.
- Loudoun Medical Care19415 Deerfield Ave, Lansdowne, VA 20176-8470Phone(703) 729-2626
Source: Dmand AI Affiliation Data
Dr. Karnail Singh is affiliated with 3 sites of care and 2 medical groups
Dr. Singh's primary practice is Loudoun Medical Care in Lansdowne, Virginia. Dr. Singh is also affiliated with Inova Loudoun Hospital. The medical group on file is Loudoun Medical Care. Dmand AI also links Dr. Singh to 1 more group practice or clinic and 1 medical group, each named with a free account.
Loudoun Medical CarePrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Karnail Singh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Singh practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Loudoun Medical Care | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Karnail Singh is one of 3,339 internists in Virginia
Internal medicine is Dr. Singh's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Singh is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Singh
Counts of internists 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. Karnail Singh billed Medicare for 243 services in 2024
CMS data shows 243 Medicare services from Dr. Singh across 5 procedure codes in 2024, for 73 Medicare patients. Medicare paid $21,153 for them.
Medicare services, 2024243
Medicare patients73
Paid by Medicare$21,153
Procedure codes5
Dr. Singh's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2792024: 24313%
Where Dr. Singh's Medicare services took place, 2024
- In an office12853%
- In a facility11547%
Dr. Singh compared with the Virginia median for internists, 2024
- Dr. Singh
- Virginia median
- Medicare services
- 243vs 60760% below
- Medicare patients
- 73vs 24670% below
- Part D claims
- 406vs 22481% above
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. 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.
Need commercial claims for Dr. Singh?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Singh and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karnail Singh treated 73 Medicare patients in 2024, average age 68
CMS counts 73 Medicare patients who saw Dr. Singh in 2024. The largest group is 65 to 74, with 25 patients. 75% of them have high blood pressure, and 71% have anxiety. 23% are also on Medicaid. Their average risk score is 1.37, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Singh's median patient age at 55, with 46% women.
Medicare patients, 202473
Average age68
Average risk score1.37
Also on Medicaid23%
Dr. Singh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Singh's Medicare patients by sex, 2024
- Women4562%
- Men2838%
Chronic conditions among Dr. Singh's Medicare patients, 2024
- High blood pressure75%
- Anxiety71%
- High cholesterol66%
- Mood disorders62%
- Depression59%
- Arthritis40%
- Diabetes38%
- Bipolar disorder37%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 55
Patient panel by sex, all payers
- Women46%
- Men52%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Karnail Singh wrote 736 Medicare Part D claims in 2024
In 2024, Dr. Singh wrote 736 Medicare Part D claims for 110 patients. 81% of them were for generic drugs. CMS names the drug for 406 of them, across 22 drugs with 11 or more claims each, at $49,718 in total drug cost. In 2023, CMS named 436 claims across 21 drugs.
Part D claims, 2024736
Drugs named by CMS22
Total drug cost$49,718
Part D patients110
Dr. Singh's Part D claims by kind of drug, 2024
- Generic593 claims81%
- Brand-name and other143 claims19%
Dr. 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.
Drug classes CMS tracks in Dr. Singh's Part D claims, 2024
- Antibiotics6%47 of 736 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: 4362024: 4067%
Drugs named by CMS: 22 in 2024, 21 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
How Dr. Karnail Singh takes part in Medicare
Dr. Singh accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Karnail Singh has 1 publication on record
Dmand AI links 1 paper to Dr. Singh. Dr. Singh's most frequent co-authors are Saira Adeel, MD and Vin Tangpricha, MD.
Papers1
Dr. Singh's most frequent co-authors
Recent publications by Dr. Singh
See who Dr. Singh researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Singh works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Karnail Singh received $2,888 in industry payments from 2016 to 2025
CMS Open Payments shows 81 general payments to Dr. Singh from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Teva Pharmaceuticals USA, Inc. paid the most, $456.
General payments to Dr. Singh by program year, 2016 to 2025
General payments to Dr. Singh by kind, 2016 to 2025
$2.9Kin total
- Food and beverage$2,87299%
- Education$161%
Companies that paid Dr. 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
Sources for Dr. Karnail 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 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 |
| 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. Karnail 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 Dr. Karnail Singh's NPI number?
Dr. Karnail Singh's NPI number is 1871593202. It was assigned on July 28, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Karnail Singh?
Dr. Karnail Singh is an internist in Leesburg, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Karnail Singh practice?
Dr. Singh practices at 19415 Deerfield Ave, Lansdowne, VA 20176-8470. Dr. Singh's primary practice is Loudoun Medical Care in Lansdowne, Virginia. Dmand AI also links Dr. Singh to 1 group practice or clinic and 1 medical group.
What is Dr. Karnail Singh's office phone number?
The practice phone on file for Dr. Singh is (703) 729-2626.
What is Dr. Karnail Singh's medical license number?
Dr. Singh holds Virginia license 0101058812.
Which hospitals is Dr. Karnail Singh affiliated with?
Dr. Singh is affiliated with Inova Loudoun Hospital.
What medical group is Dr. Karnail Singh part of?
Dr. Singh is linked to Loudoun Medical Care. Dmand AI links Dr. Singh to 1 more medical group.
Does Dr. Karnail Singh accept Medicare?
Yes. CMS data shows Dr. Singh billed Medicare for 243 services in 2024, and Dr. Singh accepts Medicare assignment.
How many Medicare patients does Dr. Karnail Singh see?
CMS counts 73 Medicare patients who saw Dr. Singh in 2024, with an average age of 68.
What services does Dr. Karnail Singh bill to Medicare?
In 2024, Dr. Singh's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99223) and hospital inpatient care (99232).
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What drugs does Dr. Karnail Singh prescribe most?
In 2024 Medicare Part D data, Dr. Singh's most prescribed drugs by claims were Diclofenac Sodium, Pantoprazole Sodium and Atorvastatin Calcium.
Has Dr. Karnail Singh received payments from drug or device companies?
CMS Open Payments shows $2,888 in general payments to Dr. Singh from 25 companies from 2016 to 2025. The largest total came from Teva Pharmaceuticals USA, Inc.
How long has Dr. Karnail Singh been practicing?
Dr. Singh graduated from medical school in 1986, 40 years ago.
Does Dr. Karnail Singh do research?
Dmand AI links 1 publication to Dr. Singh.
Who does Dr. Karnail Singh publish with?
Dr. Singh's most frequent co-authors are Saira Adeel, MD (1 shared paper) and Vin Tangpricha, MD (1 shared paper).
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