JOHN FRANCIS ONEILL JR. MD
NPI 1184635575
Dermatology in Bethesda, MD

Active since August 10, 2006PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
6410 ROCKLEDGE DRIVE, SUITE 402, BETHESDA, MD 20817(301) 530-4800(301) 530-1847 Get Directions Write a Review

NPPES record last updated: March 27, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About John Francis Oneill Jr. Md NPPES

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

JOHN FRANCIS ONEILL JR. MD (NPI 1184635575) is an individual dermatology provider in Bethesda, Maryland, licensed in Maryland (D32648) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Georgetown University School Of Medicine (1982).

NPPES Registry Identity

NPI1184635575
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameJOHN FRANCIS ONEILL JR.Credential: MD
Location Address6410 ROCKLEDGE DRIVE, SUITE 402Bethesda, MD 20817
Mailing Address6410 Rockledge Drive, Suite 402Bethesda, MD 20817 · (301) 530-4800 · Fax (301) 530-1847
Fax(301) 530-1847
Sole ProprietorNo
Medical School CMSGeorgetown University School Of MedicineGraduated 1982
Enumeration DateAugust 10, 2006
Last NPPES UpdateMarch 27, 2008
NPI 1184635575 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in MD · D32648
Definition

A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.

6410 ROCKLEDGE DRIVE, Bethesda, MD 20817

Other Identifiers 2

Medicare UPINE73664
Medicare ID-Type Unspecified654968D09MD

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

John Francis Oneill Jr. Md 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 ID3173647880
PECOS Enrollment IDI20100902000306
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 24

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.

Destruction of precancer skin growth, 2-14 growths 17003
This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.
3,422 services598 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
1,081 services819 patients
Destruction of precancer skin growth, 1 growth 17000
"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.
1,000 services725 patients
Destruction of skin growth, 1-14 growths 17110
"Destruction of skin growth" refers to a procedure where 1-14 abnormal skin growths are removed. This is done using methods such as freezing, burning, or laser therapy. It helps prevent the growth from causing discomfort or turning into a more serious condition.
451 services392 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
211 services170 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.
83 services83 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20817 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
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 6

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

Social Worker (Clinical)
6410 ROCKLEDGE DRIVE, SUITE 308
BETHESDA, MD 20817
Dentist (General Practice)
6410 ROCKLEDGE DRIVE, #106
BETHESDA, MD 20817
Anesthesiology (Pain Medicine)
6410 ROCKLEDGE DRIVE, #110
BETHESDA, MD 20817
Dermatology
6410 ROCKLEDGE DRIVE, SUITE 402
BETHESDA, MD 20817
Internal Medicine (Clinical & Laboratory Immunology)
6410 ROCKLEDGE DRIVE, SUITE 200
BETHESDA, MD 20817
Dermatology (MOHS-Micrographic Surgery)
6410 ROCKLEDGE DRIVE, SUITE 300
BETHESDA, MD 20817

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 John Oneill's NPI number?

The NPI number for John Oneill is 1184635575. It was assigned to this individual provider in the NPPES registry on August 10, 2006.

Where is John Oneill located?

John Oneill practices at 6410 Rockledge Drive Suite 402, Bethesda, MD 20817. The listed phone number is (301) 530-4800.

What is John Oneill's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is John Oneill enrolled in Medicare?

Yes. John Oneill 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 John Oneill was last updated on March 27, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.