Laurence R. O'Halloran, MD
Specialist · Annandale, VA
Laurence R. O'Halloran, MD is a specialist with a practice address in Annandale, Virginia, and NPI 1023007044, issued on Oct 21, 2005. Check the license (Virginia 0101051134, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Laurence R. O'Halloran
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 0101051134 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3299 Woodburn RD, Annandale, VA 22003
- Phone
- (703) 534-3314
- Enumerated
- Oct 21, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (703) 698-1334
- Medicaid ID
- 65-022-11 VA
- Medicare enrollment
- Enrolled (PECOS I20081218000545); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest specialist records → All 798 in Virginia → Look up another NPI →
Also registered at 3299 Woodburn RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paulette Browne, M.D.Specialist1053306548
- Timothy Egan, M.D.Otolaryngology Physician1043358922
- Kim Feist, RDHDental Hygienist1316908460
- Gail Freeman, WHNPObstetrics & Gynecology Nurse Practitioner1558641050
- James French, MDPlastic Surgery Physician1083755516
Verify Laurence R. O'Halloran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0101051134Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average specialist in 2024
26 Medicare Part D claims for 17 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $526.83
14 payments; by number, the most common kind was food and beverage; the largest payer was Inspire Medical Systems, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Fairfax Ent And Facial Plastic Surgery PCFalls Church, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Laurence R. O'Halloran among 798 specialist records in Virginia
Laurence R. O'Halloran, MD is one of 798 specialist records with a practice address in Virginia. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 82% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1994 · median 1989 among the 167 with a school on file
- Record last updated2026 · 81% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 specialist records list a practice address in Annandale
They are 9 of the 828 NPPES records with a practice address in Annandale, and 798 specialist records in Virginia.
All 798 in Virginia → Every provider in Annandale → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Kathleen Ayers, ATCAnnandale, VA 220031689907339
- Joseph Bellanti, M.D.Annandale, VA 220031992940159
- Paulette Browne, M.D.Annandale, VA 220031053306548
- Sharon Jaeckel, PTAnnandale, VA 220031831304989
- Naveed Khan, M.D.Annandale, VA 220031841285400
- Ramin Rak, M.D.Annandale, VA 220031548349699
- Simon Simonian, M.DAnnandale, VA 220031336189810
- Raymond Vergne, M.D.Annandale, VA 220031609888247
Common questions
What is Laurence R. O'Halloran, MD's NPI number?
Laurence R. O'Halloran, MD's National Provider Identifier (NPI) is 1023007044, issued on Oct 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Laurence R. O'Halloran, MD located?
The NPPES record lists a practice address at 3299 Woodburn RD, Annandale, VA, 22003. Phone: (703) 534-3314. Providers update this record themselves, so call before visiting.
How can I verify Laurence R. O'Halloran, MD's license?
NPPES lists Virginia license number 0101051134, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Laurence R. O'Halloran, MD prescribe under Medicare Part D?
In 2024, Laurence R. O'Halloran, MD had 26 Medicare Part D claims for 17 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Laurence R. O'Halloran, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.