Patricia Gillis, MD
NPI 1922058288 · Emergency Medicine Physician · Northridge, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patricia Gillis, MD is a Emergency Medicine Physician provider in Northridge, CA (NPI 1922058288).
Provider details
- NPI number
- 1922058288
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A73899 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
1,187 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 | 211 | $137 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 184 | $97 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 136 | $35 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 121 | $177 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 105 | $119 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 61 | 60 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 49 | 47 |
| Cephalexin | 41 | 41 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 37 | 37 |
| Azithromycin | 33 | 32 |
| Mupirocin | 33 | 33 |
| Doxycycline Hyclate | 29 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-10
- Last updated
- 2013-12-12
Frequently asked questions
- What is Patricia Gillis's NPI number?
- Patricia Gillis's National Provider Identifier (NPI) is 1922058288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patricia Gillis's specialty?
- Patricia Gillis is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patricia Gillis located?
- Patricia Gillis's practice location on file with NPPES is 18300 Roscoe Blvd, Northridge, CA 91328.
- What is Patricia Gillis's phone number?
- The practice phone number listed in the NPPES registry for Patricia Gillis is (818) 885-8500.
- Does Patricia Gillis accept Medicare?
- Patricia Gillis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patricia Gillis's NPI active?
- Yes — Patricia Gillis's NPI (1922058288) is active in the NPPES registry as of the last update on 2013-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.