Caitlin Reid Mercer, C-PA
Physician Assistant · Woodbridge, VA
Caitlin Reid Mercer, C-PA is a physician assistant with a practice address in Woodbridge, Virginia, and NPI 1457705790, issued on Apr 22, 2016. Check the license (Virginia 0110005285, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Caitlin Reid Mercer
- Credential
- C-PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 0110005285 VA
C0006103 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2300 Opitz Blvd, Woodbridge, VA 22191
- Phone
- (703) 523-1486
- Enumerated
- Apr 22, 2016
- Record last updated
- Apr 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,408 in Virginia → Look up another NPI →
Also registered at 2300 Opitz Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Caitlin Reid Mercer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0110005285Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average physician assistant in 2024
168 Medicare Part D claims for 106 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Ondansetron Odt18 claims
- Oxycodone Hcl13 claims
- Cephalexin12 claims
- Naproxen11 claims
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.
Caitlin Reid Mercer among 4,408 physician assistant records in Virginia
Caitlin Reid Mercer, C-PA is one of 4,408 physician assistant records with a practice address in Virginia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 41% of them.
- NPI issued2016 · 41% of these records are older, 55% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2016 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 physician assistant records list a practice address in Woodbridge
They are 46 of the 2,253 NPPES records with a practice address in Woodbridge, and 4,408 physician assistant records in Virginia.
All 4,408 in Virginia → Every provider in Woodbridge → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Venise Ann Atoigue, PA-CWoodbridge, VA 221911396096913
- Amanda Ayers, PA-CWoodbridge, VA 221911982161782
- Zena Carter, MPH, MSHS, PA-CWoodbridge, VA 221911497065429
- Kayla Hyde, PA-CWoodbridge, VA 221911568960615
- Tairy Johnson, P.A.-CWoodbridge, VA 221911063468890
- Nada Laraki, PA-CWoodbridge, VA 221911396217642
- Kevin Reid, PAWoodbridge, VA 221911114548492
- Sean Robinson, PAWoodbridge, VA 221911164487187
Common questions
What is Caitlin Reid Mercer, C-PA's NPI number?
Caitlin Reid Mercer, C-PA's National Provider Identifier (NPI) is 1457705790, issued on Apr 22, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Caitlin Reid Mercer, C-PA located?
The NPPES record lists a practice address at 2300 Opitz Blvd, Woodbridge, VA, 22191. Phone: (703) 523-1486. Providers update this record themselves, so call before visiting.
How can I verify Caitlin Reid Mercer, C-PA's license?
NPPES lists Virginia license number 0110005285, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Caitlin Reid Mercer, C-PA prescribe under Medicare Part D?
In 2024, Caitlin Reid Mercer, C-PA had 168 Medicare Part D claims for 106 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
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.