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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. LAURENCE R O'HALLORAN MD
NPI 1023007044
Specialist in Annandale, VA

Active since October 21, 2005PECOS Enrolled
0/100
CMS Quality Rating
3299 WOODBURN RD, #300, ANNANDALE, VA 22003(703) 534-3314(703) 698-1334 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Laurence R O'halloran Md NPPES

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

DR. LAURENCE R O'HALLORAN MD (NPI 1023007044) is an individual specialist in Annandale, Virginia, licensed in Virginia (0101051134) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (1994).

NPPES Registry Identity

NPI1023007044
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. LAURENCE R O'HALLORANCredential: MD
Location Address3299 WOODBURN RD, #300Annandale, VA 22003-1275
Mailing Address3299 Woodburn Rd, #300Annandale, VA 22003-1275 · (703) 534-3314 · Fax (703) 698-1334
Phone(703) 534-3314
Fax(703) 698-1334
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 1994
Enumeration DateOctober 21, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1023007044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in VA · 0101051134
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
3299 WOODBURN RD, Annandale, VA 22003
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Other Identifiers 1

Medicaid65-022-11VA

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

Dr. Laurence R O'halloran 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 ID4486552692
PECOS Enrollment IDI20081218000545
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 7

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 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.
117 services76 patients
Diagnostic exam of nasal passages using an endoscope 31231
A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.
72 services39 patients
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.
52 services38 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
47 services30 patients
Removal of impacted ear wax 69210
Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.
42 services39 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.
30 services30 patients

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.

0/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality0
Improvement Activities0

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.

DIGITRACE CARE SERVICES INC
Clinic/Center (Sleep Disorder Diagnostic)
3299 WOODBURN RD, SUITE 250-A
ANNANDALE, VA 22003
Fairfax County (703) 876-9870
DR. TIMOTHY JAMES EGAN M.D.
Otolaryngology
3299 WOODBURN RD
ANNANDALE, VA 22003
Fairfax County (703) 534-3314
MS. PAULETTE ELIZABETH BROWNE M.D.
Specialist
3299 WOODBURN RD, SUITE 480
ANNANDALE, VA 22003
Fairfax County (703) 876-0734
KATHLEEN R KELLEY MD
Pediatrics
3299 WOODBURN RD, SUITE 230
ANNANDALE, VA 22003
Fairfax County (703) 205-2600
DR. JOHN DOUGLAS WOODDELL D.D.S.
Dentist (General Practice)
3299 WOODBURN RD, STE 440
ANNANDALE, VA 22003
Fairfax County (703) 698-9698
DR. JAMES H FRENCH JR. MD
Plastic Surgery
3299 WOODBURN RD, SUITE 490
ANNANDALE, VA 22003
Fairfax County (703) 560-2850
ALISSA JEAN WETMORE DPT
Physical Therapist
3299 WOODBURN RD, SUITE 180
ANNANDALE, VA 22003
Fairfax County (703) 849-8142
ADJO COHEN INC
Surgery
3299 WOODBURN RD, SUITE 370
ANNANDALE, VA 22003
Fairfax County (703) 573-2070

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 Laurence O'halloran's NPI number?

The NPI number for Laurence O'halloran is 1023007044. It was assigned to this individual provider in the NPPES registry on October 21, 2005.

Where is Laurence O'halloran located?

Laurence O'halloran practices at 3299 Woodburn Rd #300, Annandale, VA 22003. The listed phone number is (703) 534-3314.

What is Laurence O'halloran's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Laurence O'halloran enrolled in Medicare?

Yes. Laurence O'halloran 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 Laurence O'halloran was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 days 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.