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Edit this profileAt a glance
- 9939 Magnolia Ave, Riverside, CA 92503
About Gregorio Sosa
Listed in the NPI registry as a physician assistant, Gregorio Sosa, PA practices in Riverside, CA. According to Medicare claims data, Gregorio cared for 93 Medicare patients across 108 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and insertion of needle into vein for collection of blood sample. NPI 1518119098 identifies this record in the national registry.
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
- (855) 505-7467
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
9939 MAGNOLIA AVE
Riverside, CA 92503
Procedures Most Often Billed to Medicare
108 services · 93 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
12 | Less often than most peers in Physician Assistant |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
58 | As often as other 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 |
27 | Less often than most peers in Physician Assistant |
| Annual depression screening, 5 to 15 minutes | Billing code | G0444 |
11 | Less 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 6
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 Riverside 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Gregorio Sosa specialize in?
Gregorio Sosa is a physician assistant in Riverside, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Gregorio Sosa located?
Gregorio Sosa is listed at 9939 Magnolia Ave, Riverside, CA 92503. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregorio Sosa's phone number?
The number on file is (855) 505-7467. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Gregorio Sosa's NPI number?
Gregorio Sosa's National Provider Identifier is 1518119098. 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 Gregorio Sosa train?
Gregorio Sosa attended Other, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregorio Sosa been practicing?
Gregorio Sosa has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Gregorio Sosa do most often?
According to Medicare billing data, Gregorio Sosa performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Gregorio Sosa confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregorio Sosa. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.