Provider Profile
Reilly O. Loomis, PA-C
Unclaimed ProfileAbout Reilly Loomis
Listed in the NPI registry as a physician assistant, Reilly O. Loomis, PA-C practices in Stanford, CA. Reilly is also listed as specializing in physician assistant — surgical. According to Medicare claims data, Reilly cared for 589 Medicare patients across 1,495 services. The services billed most often include aspiration and/or injection of fluid from large joint, hyaluronan or derivative, orthovisc, for intra-articular injection, per dose, and injection, triamcinolone acetonide, not otherwise specified, 10 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (650) 723-4000
- Email not available
Practice Locations
300 PASTEUR DR
Stanford, CA 94305
Procedures Most Often Billed to Medicare
1,495 services · 589 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
320 | More than most peers in Physician Assistant |
| Replacement of thigh bone and hip joint with prosthesis | Procedure | 27130 |
40 | More often than most peers in Physician Assistant |
| Replacement of knee joint, both sides of knee | Procedure | 27447 |
39 | More often than most peers in Physician Assistant |
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
16 | Less often than most peers in Physician Assistant |
| Hyaluronan or derivative, orthovisc, for intra-articular injection, per dose | Drug given | J7324 |
309 | More than most peers in Physician Assistant |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
305 | More often than most peers in Physician Assistant |
| Injection, bupivicaine, not otherwise specified, 0.5 mg | Drug given | J0665 |
250 | 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 |
119 | More often 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 |
56 | As often as other 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 |
41 | 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 2
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 — 30 related providers in 4 groups
Other physician assistants in Stanford 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Reilly O. Loomis's specialty?
Reilly O. Loomis is a physician assistant in Stanford, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Reilly O. Loomis?
Reilly O. Loomis is listed at 300 Pasteur Dr, Stanford, CA 94305. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Reilly O. Loomis?
The number on file is (650) 723-4000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Reilly O. Loomis's NPI number?
Reilly O. Loomis's National Provider Identifier is 1053763284. 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
What is Reilly O. Loomis's education?
Reilly O. Loomis attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Reilly O. Loomis been practicing?
Reilly O. Loomis has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Reilly O. Loomis known for?
According to Medicare billing data, Reilly O. Loomis performs procedures including aspiration and/or injection of fluid from large joint, replacement of thigh bone and hip joint with prosthesis and replacement of knee joint, both sides of knee, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Reilly O. Loomis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Reilly O. Loomis. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.