Reilly Loomis, PA-C
NPI 1053763284 · Physician Assistant · Stanford, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reilly Loomis, PA-C is a Physician Assistant provider in Stanford, CA (NPI 1053763284).
Provider details
- NPI number
- 1053763284
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA56705 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
631 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 320 | $77 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 119 | $131 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 56 | $94 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 41 | $112 |
| Replacement of Thigh Bone and Hip Joint With Prosthesis27130 | 40 | $197 |
| Replacement of Knee Joint, Both Sides of Knee |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 131 | 108 |
| Oxycodone Hcl | 128 | 102 |
| Enoxaparin Sodium | 93 | 88 |
| Pantoprazole Sodium | 83 | 80 |
| Ondansetron Hcl | 58 | 56 |
| Naloxone Hcl | 51 | 51 |
| Cephalexin | 49 | 42 |
| Celecoxib | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-12
- Last updated
- 2025-12-23
- Certified
- 2025-12-23
Frequently asked questions
- What is Reilly Loomis's NPI number?
- Reilly Loomis's National Provider Identifier (NPI) is 1053763284, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reilly Loomis's specialty?
- Reilly Loomis is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Reilly Loomis located?
- Reilly Loomis's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Reilly Loomis's phone number?
- The practice phone number listed in the NPPES registry for Reilly Loomis is (650) 723-4000.
- Does Reilly Loomis accept Medicare?
- Reilly Loomis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reilly Loomis's NPI active?
- Yes — Reilly Loomis's NPI (1053763284) is active in the NPPES registry as of the last update on 2025-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.