JUAN DAVID DE LA OSSA DO
NPI 1700382579
Internal Medicine - Gastroenterology in Lansdowne, VA

Active since April 02, 2018PECOS EnrolledAccepts Medicare Assignment
19455 DEERFIELD AVE STE 201, LANSDOWNE, VA 20176(703) 723-3670(877) 325-2018 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 5, 2026, Feb 27, 2025, May 16, 2024 (3 updates tracked since 2024).

About Juan David De La Ossa Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JUAN DAVID DE LA OSSA DO (NPI 1700382579) is an individual gastroenterology provider in Lansdowne, Virginia, licensed in Virginia (0102208455) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Inova Loudoun Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1700382579
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJUAN DAVID DE LA OSSACredential: DO
Location Address19455 DEERFIELD AVE STE 201Lansdowne, VA 20176-8102
Mailing AddressOne Gi Credentialing Department, Po Box 381468Germantown, TN 38183-1468 · Fax (901) 328-1355
Fax(877) 325-2018
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 2, 2018
Last NPPES UpdateFebruary 5, 20263 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
NPI 1700382579 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in VA · 0102208455
Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

19455 DEERFIELD AVE STE 201, Lansdowne, VA 20176

Secondary Practice Locations 2

Location 124430 Stone Springs Blvd Ste 250Dulles, VA 20166-2268 · Phone (703) 723-3670
Location 219455 Deerfield Ave Ste 205Lansdowne, VA 20176-8102 · Phone (703) 723-3670

Other Identifiers 1

Medicaid1700382579VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Juan David De La Ossa Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375896897
PECOS Enrollment IDI20240614001223
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 33 times for 25 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

This service was performed 17 times for 17 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 18 times for 18 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $32.26 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 20176 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $129.04
  • Minimum New Patient Price $56.19
  • Maximum New Patient Price $170.3
  • Average New Patient Copayment $32.26
  • 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. Juan De La Ossa is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
INOVA LOUDOUN HOSPITAL44045 RIVERSIDE PARKWAY
LEESBURG, VA 20176
(703) 858-6600Acute Care Hospitals
STONESPRINGS HOSPITAL CENTER24440 STONE SPRINGS BOULEVARD
DULLES, VA 20166
(571) 349-4000Acute Care Hospitals

Other Providers at the Same Location


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

Dietitian, Registered
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Physician Assistant (Medical)
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Physician Assistant
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Internal Medicine (Gastroenterology)
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Internal Medicine (Gastroenterology)
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Internal Medicine (Gastroenterology)
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Internal Medicine (Gastroenterology)
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Nurse Practitioner (Family)
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176
Nurse Practitioner (Family)
19455 DEERFIELD AVE STE 201
LANSDOWNE, VA 20176

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1700382579, enumerated as an "individual" on April 02, 2018.

The provider is located at 19455 DEERFIELD AVE STE 201 LANSDOWNE, VA 20176 and the phone number is (703) 723-3670.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.

Juan De La Ossa is affiliated with: INOVA LOUDOUN HOSPITAL and STONESPRINGS HOSPITAL CENTER.