Provider Profile
Sophia G. Marquis, PA
Unclaimed ProfileAt a glance
- 225 E 2Nd Ave, Escondido, CA 92025
About Sophia Marquis
Sophia G. Marquis, PA is a physician assistant based in Escondido, CA. Medicare claims data shows Sophia provided 436 services to 415 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, automated urinalysis test, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more. The provider's National Provider Identifier (NPI) is 1174692545.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (760) 291-6700
- Email not available
Practice Locations
225 E 2ND AVE
Escondido, CA 92025
Procedures Most Often Billed to Medicare
436 services · 415 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of impacted ear wax by washing | Procedure | 69209 |
27 | More than most peers in Physician Assistant |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
270 | More often than most peers in Physician Assistant |
| Automated urinalysis test | Lab test | 81003 |
58 | More often than most peers in Physician Assistant |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
56 | More often than most peers in Physician Assistant |
| Detection test by nucleic acid for strep (streptococcus, group a), amplified probe technique | Lab test | 87651 |
25 | More often than most peers in Physician Assistant |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other physician assistants at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other physician assistants in Escondido 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Other 7
Providers who graduated from the same medical school in the same year.
Also performs Removal of impacted ear wax by washing 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Sophia G. Marquis?
Sophia G. Marquis is a physician assistant in Escondido, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Sophia G. Marquis's address?
Sophia G. Marquis is listed at 225 E 2Nd Ave, Escondido, CA 92025. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Sophia G. Marquis?
The number on file is (760) 291-6700. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Sophia G. Marquis?
Sophia G. Marquis's National Provider Identifier is 1174692545. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Sophia G. Marquis train?
Sophia G. Marquis attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Sophia G. Marquis have?
Sophia G. Marquis has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Sophia G. Marquis perform?
According to Medicare billing data, Sophia G. Marquis performs procedures including removal of impacted ear wax by washing, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Sophia G. Marquis's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sophia G. Marquis. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.