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: August 16, 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 is a graduate of Other (2018).

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

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 CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
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.
33 services25 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
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.
18 services18 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
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.
17 services17 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Inova Loudoun Hospital

Acute Care Hospitals · Leesburg, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490043
Location44045 Riverside ParkwayLeesburg, VA 20176 · Loudoun County
Emergency services Birthing friendly

Stonesprings Hospital Center

Acute Care Hospitals · Dulles, VA
OwnershipProprietary
CMS Certification Number490145
Location24440 Stone Springs BoulevardDulles, VA 20166 · Loudoun County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20176 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$129.04 typical visit price
range $56.19 – $170.30
Typical copayment $32.26 (range $14.04 – $42.57)
Most-billed visit code 99204
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Juan De La Ossa's NPI number?

The NPI number for Juan De La Ossa is 1700382579. It was assigned to this individual provider in the NPPES registry on April 2, 2018.

Where is Juan De La Ossa located?

Juan De La Ossa practices at 19455 Deerfield Ave Ste 201, Lansdowne, VA 20176. The listed phone number is (703) 723-3670.

What is Juan De La Ossa's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Juan De La Ossa enrolled in Medicare?

Yes. Juan De La Ossa is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Juan De La Ossa affiliated with any hospitals?

According to CMS data, Juan De La Ossa is affiliated with Inova Loudoun Hospital and Stonesprings Hospital Center.

When was this NPI record last updated?

The NPPES record for Juan De La Ossa was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.