Shanon Murillo, PA-C
NPI 1104033018 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shanon Murillo, PA-C is a Internal Medicine Physician provider in San Diego, CA (NPI 1104033018).
Provider details
- NPI number
- 1104033018
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- P20292 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
268 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 93 | $84 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 73 | $115 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 61 | $57 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 41 | $71 |
Typical Medicare-allowed amounts for these services range $57–$115 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 58 | 56 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 41 | 39 |
| Prednisone | 37 | 35 |
| Azithromycin | 24 | 23 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 19 | 19 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 17 | 16 |
| Doxycycline Hyclate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-17
- Last updated
- 2010-02-16
Frequently asked questions
- What is Shanon Murillo's NPI number?
- Shanon Murillo's National Provider Identifier (NPI) is 1104033018, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shanon Murillo's specialty?
- Shanon Murillo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shanon Murillo located?
- Shanon Murillo's practice location on file with NPPES is 2401 Reo Drive, San Diego, CA 92139.
- What is Shanon Murillo's phone number?
- The practice phone number listed in the NPPES registry for Shanon Murillo is (619) 479-6767.
- Does Shanon Murillo accept Medicare?
- Shanon Murillo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shanon Murillo's NPI active?
- Yes — Shanon Murillo's NPI (1104033018) is active in the NPPES registry as of the last update on 2010-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.