ARIANNA VESSAL DO
NPI 1235832502
Internal Medicine in Gaithersburg, MD

Active since March 24, 2023PECOS EnrolledAccepts Medicare Assignment
655 WATKINS MILL RD, GAITHERSBURG, MD 20879(240) 632-4000 Get Directions Write a Review

NPPES record last updated: April 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 17, 2026, May 12, 2025, May 1, 2024 and 2 more (5 updates tracked since 2023).

About Arianna Vessal Do NPPES

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

ARIANNA VESSAL DO (NPI 1235832502) is an individual internal medicine provider in Gaithersburg, Maryland, licensed in Virginia (0102209337) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sterling, and is a graduate of Edward Via Col Of Osteo Medicine-virginia Campus (2023).

NPPES Registry Identity

NPI1235832502
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameARIANNA VESSALCredential: DO
Location Address655 WATKINS MILL RDGaithersburg, MD 20879-3301
Mailing Address655 Watkins Mill RdGaithersburg, MD 20879-3301
Sole ProprietorNo
Medical School CMSEdward Via Col Of Osteo Medicine-virginia CampusGraduated 2023
Enumeration DateMarch 24, 2023
Last NPPES UpdateApril 17, 20265 updates tracked since enumeration
NPPES CertifiedApril 17, 2026
NPI 1235832502 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in VA · 0102209337 Licensed in VA · 0116038523 Licensed in MD · H0103569
Definition
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.
655 WATKINS MILL RD, Gaithersburg, MD 20879

Secondary Practice Location 1

Location 14710 Community Plaza, Suite 100Sterling, VA 20164-1826 · Phone (703) 880-1403

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

Arianna Vessal 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 ID5092155309
PECOS Enrollment IDI20240503002035, I20260413003314
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20879 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
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 20

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

Pediatrics
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Student in an Organized Health Care Education/Training Program
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Emergency Medicine
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Pharmacist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Registered Nurse (Lactation Consultant)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
General Acute Care Hospital
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Radiologic Technologist (Computed Tomography)
655 WATKINS MILL RD
GAITHERSBURG, MD 20879
Audiologist
655 WATKINS MILL RD
GAITHERSBURG, MD 20879

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 Arianna Vessal's NPI number?

The NPI number for Arianna Vessal is 1235832502. It was assigned to this individual provider in the NPPES registry on March 24, 2023.

Where is Arianna Vessal located?

Arianna Vessal practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (240) 632-4000.

What is Arianna Vessal's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Arianna Vessal enrolled in Medicare?

Yes. Arianna Vessal 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.

When was this NPI record last updated?

The NPPES record for Arianna Vessal was last updated on April 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.