AHMED KHALIL MD
NPI 1023501780
Internal Medicine - Hematology & Oncology in Gainesville, VA

NPI Status: Active since June 07, 2018

Contact Information

7901 LAKE MANASSAS DR
GAINESVILLE, VA
ZIP 20155
Phone: (703) 753-4045
Fax: (703) 753-8037

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  • Individual
  • Male
  • Years of Experience 14
  • Internal Medicine
  • Hematology & Oncology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About AHMED KHALIL

This page provides the complete NPI Profile along with additional information for Ahmed Khalil, an internist established in Gainesville, Virginia with a medical specialization in Internal Medicine, focusing in hematology & oncology and more than 14 years of experience. The healthcare provider is registered in the NPI registry with number 1023501780 assigned on June 2018. The practitioner's primary taxonomy code is 207RH0003X with license number 0101286164 (VA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1023501780
Provider Name
AHMED KHALIL MD
Gender
Male
Entity Type
Individual
Location Address
7901 LAKE MANASSAS DR GAINESVILLE, VA 20155
Location Phone
(703) 753-4045
Location Fax
(703) 753-8037
Mailing Address
PO BOX 748613 ATLANTA, GA 30374
Medical School Name
OTHER
Graduation Year
2012
Is Sole Proprietor?
No
Enumeration Date
06-07-2018
Last Update Date
08-12-2025
Code Navigator

An internist like Ahmed Khalil is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Secondary Locations

  • 8644 Sudley Rd Ste 315
    Manassas, VA 20110
    (703) 369-8030
  • 545 Sunset Ln
    Culpeper, VA 22701
    (540) 829-4352

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
0101286164
License State
VA
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RH0003XAllopathic & Osteopathic Physicians

Internal Medicine
Hematology & Oncology

MD483711 (PA)

Medicare Participation & PECOS Enrollment Status

Ahmed Khalil is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Ahmed Khalil is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 3870844848

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20240606002548, I20250606001676

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $42.57 for a new patient copayment and $24.78 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 20155 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $170.3
  • Minimum New Patient Price $56.19
  • Maximum New Patient Price $170.3
  • Average New Patient Copayment $42.57
  • Minimum New Patient Copayment $14.04
  • Maximum New Patient Copayment $42.57

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $99.13
  • Minimum Established Patient Price $18.07
  • Maximum Established Patient Price $138.91
  • Average Established Patient Copayment $24.78
  • Minimum Established Patient Copayment $4.51
  • Maximum Established Patient Copayment $34.72

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Ahmed Khalil is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
WELLSPAN WAYNESBORO HOSPITAL501 EAST MAIN ST
WAYNESBORO, PA 17268
(717) 765-4000Acute Care Hospitals
WELLSPAN CHAMBERSBURG HOSPITAL112 NORTH SEVENTH STREET
CHAMBERSBURG, PA 17201
(717) 267-3000Acute Care Hospitals
FULTON COUNTY MEDICAL CENTER214 PEACH ORCHARD ROAD
MCCONNELLSBURG, PA 17233
(717) 485-3155Critical Access Hospitals
NOVANT HEALTH UVA HEALTH SYSTEM CULPEPER MED CENTE501 SUNSET LANE
CULPEPER, VA 22701
(540) 829-4100Acute Care Hospitals
NOVANT PRINCE WILLIAM MEDICAL CENTER8700 SUDLEY RD
MANASSAS, VA 20110
(703) 369-8000Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1023501780, we treat the final digit (0) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 0).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
2
Doubled → 4
Pos 4
3
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
0
Unchanged
Pos 7
1
Doubled → 2
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
0
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 5 → 10 → 1 1 → 2 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 4 + 3 + 1 + 0 + 0 + 2 + 7 + 1 + 6 + 24 = 50

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 50 is 50. The difference is the calculated check digit.

50 - 50 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1023501780.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Radiology (Radiation Oncology)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155
Internal Medicine (Hematology & Oncology)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155
Internal Medicine (Hematology & Oncology)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155
Radiology (Radiation Oncology)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155
Nurse Practitioner (Family)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155
Internal Medicine (Hematology & Oncology)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155
Internal Medicine (Hematology & Oncology)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155
Clinic/Center (Oncology, Radiation)
7901 LAKE MANASSAS DR
GAINSVILLE, VA 20155
Internal Medicine (Hematology & Oncology)
7901 LAKE MANASSAS DR
GAINESVILLE, VA 20155

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1023501780, enumerated as an "individual" on June 07, 2018.

The provider is located at 7901 LAKE MANASSAS DR GAINESVILLE, VA 20155 and the phone number is (703) 753-4045.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.

Ahmed Khalil is affiliated with: WELLSPAN WAYNESBORO HOSPITAL, WELLSPAN CHAMBERSBURG HOSPITAL, FULTON COUNTY MEDICAL CENTER, NOVANT HEALTH UVA HEALTH SYSTEM CULPEPER MED CENTE and NOVANT PRINCE WILLIAM MEDICAL CENTER.