Active NPI 1871593202 Individual Practitioner Male Practitioner

Dr. Karnail Singh , MD

Internal Medicine • Lansdowne, VA

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Dr. Karnail Singh, MD is a certified Internal Medicine practicing in Lansdowne, VA. With approximately 40 years of clinical experience since completing medical education in 1986, Dr. Singh delivers high-quality medical care to the local community at 19415 DEERFIELD AVE.

Dr. Singh maintains professional affiliations with Inova Health Care Services, Loudoun Medical Care Pc and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, initial hospital care with moderate level of medical decision making, if using time, at least, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

19415 Deerfield Ave
Suite 115

Lansdowne, VA 201768452

Telephone 7037292626

Fax 7037293141

Associated Practice Facility / Clinic

🏢 Dulles Eye Associates, P.c. Facility NPI 1144289661

Medicare Profile & Education

Medical School

Other

Graduation Year

1986

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Lansdowne, VA

Senior Veteran Specialist (>20 Yrs)

Practitioner Clinical Experience

40 Yrs +12.7 yrs vs City Avg

City Avg: 27.3 Yrs

State Avg: 26.1 Yrs

Regional Practice Density

10 Specialists

Practicing in Lansdowne, VA (3758 Statewide)

Telehealth Adoption Rate

10.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

42.5% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Singh (40 Years) 40 Yrs

Lansdowne Specialty Average (27.3 Years) 27.3 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	96	28	$200.00	$121.81
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	41	35	$300.00	$165.08
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	39	23	$150.00	$75.10
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	35	22	$175.00	$113.14
99213 Established patient office or other outpatient visit, typically 15 minutes	32	16	$150.00	$85.74

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	114	35	$186.40	$122.75
99213 Established patient office or other outpatient visit, typically 15 minutes	57	22	$144.30	$87.42
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	41	27	$175.00	$116.01
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	38	20	$150.00	$77.12
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	29	27	$300.00	$169.09

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	108	31	$150.00	$129.62
99213 Established patient office or other outpatient visit, typically 15 minutes	66	27	$125.00	$91.73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	59	35	$175.00	$100.85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	33	$300.00	$193.65
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	32	23	$150.00	$71.08

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	107	37	$150.00	$131.65
99213 Established patient office or other outpatient visit, typically 15 minutes	68	26	$125.00	$92.70
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	38	33	$301.32	$201.07
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	36	23	$150.00	$72.16
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	35	25	$175.00	$103.71
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	12	12	$200.00	$134.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	135	39	$125.00	$75.92
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	134	41	$151.49	$110.28
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	86	47	$143.72	$73.47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	63	55	$300.00	$205.57
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	60	40	$175.00	$105.78

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	178	74	$125.00	$73.67
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	112	59	$200.00	$108.16
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	90	49	$130.00	$72.47
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	71	64	$300.00	$201.46
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	62	51	$195.00	$103.57
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	13	13	$30.00	$17.48
G0008 Administration of influenza virus vaccine	12	12	$30.00	$16.42

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	177	79	$125.00	$70.28
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	115	49	$130.00	$70.16
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	113	62	$200.00	$103.76
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	78	47	$195.00	$100.54
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	65	56	$300.00	$195.50
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	11	11	$30.00	$17.48
G0008 Administration of influenza virus vaccine	11	11	$30.00	$20.24

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	180	74	$125.00	$69.92
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes	168	61	$130.00	$68.85
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	110	62	$200.00	$101.26
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes	104	86	$300.00	$192.62
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes	90	56	$195.00	$99.09
90688 Vaccine for influenza for administration into muscle, 0.5 ml dosage	18	18	$30.00	$17.48
G0008 Administration of influenza virus vaccine	17	17	$30.00	$24.99

Medical Specialties & State Licenses

CMS Verified: 2026-03-03

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License VA 0101058812

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

5837618 (VA)

Commercial Insurance / Payer ID Medicare Railroad

110216277

Commercial Insurance / Payer ID Anthem

451981 (VA)

Hospital & Practice Group Affiliations

Loudoun Medical Care Pc

19415 Deerfield Ave, Lansdowne, VA 201768470

Phone: 7037292626

Inova Health Care Services

6230 Rolling Rd, Springfield, VA 221522307

Phone: 5715656460

Secondary Practice Locations

44045 Riverside Pkwy

Leesburg, VA 201765101

Phone: 7038586000

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners

Dr. Mandeep Sandhu , MD

Internal Medicine

NPI 1205836798

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

📍

Updated Business Mailing Address March 03, 2026

Registered at 19415 DEERFIELD AVE STE 115, LANSDOWNE, VA 201768470 (Tel: 7037292626)

✅

NPI Profile Active February 27, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location February 27, 2008

Registered at 19415 DEERFIELD AVE, SUITE 115, LANSDOWNE, VA 201768452 (Tel: 7037292626)

📍

Updated Business Mailing Address February 27, 2008

Registered at 19415 DEERFIELD AVE, SUITE 115, LANSDOWNE, VA 201768452 (Tel: 7037292626)

👤

Provider Name / Credentials Updated February 27, 2008

Recorded as KARNAIL SINGH, MD

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) February 27, 2008

Internal Medicine (License #0101058812 in VA)

🟢

Initial NPI Registration & Enumeration July 28, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1871593202

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: July 28, 2005

Last Update: March 03, 2026

Sole Proprietor: No

Update or Correct Profile

Mailing Address

19415 Deerfield Ave Ste 115

Lansdowne, VA 201768470

Phone: 7037292626

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.