Diane Gilliland, M.D.
NPI 1144294927 · General Practice Physician · Torrance, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Gilliland, M.D. is a General Practice Physician provider in Torrance, CA (NPI 1144294927).
Provider details
- NPI number
- 1144294927
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- C52865 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
490 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 130 | $176 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 102 | $137 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 46 | $16 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 44 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $97 |
| X-Ray of Chest, 2 Views71046 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mupirocin | 34 | 34 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 30 | 30 |
| Azithromycin | 26 | 25 |
| Cefdinir | 21 | 20 |
| Cephalexin | 18 | 16 |
| Prednisone | 17 | 16 |
| Ofloxacin | 14 | 14 |
| Cefadroxil | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-16
- Last updated
- 2024-07-16
- Certified
- 2024-07-16
Frequently asked questions
- What is Diane Gilliland's NPI number?
- Diane Gilliland's National Provider Identifier (NPI) is 1144294927, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Gilliland's specialty?
- Diane Gilliland is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Gilliland located?
- Diane Gilliland's practice location on file with NPPES is 1000 W Carson St # 21, Torrance, CA 90502-2004.
- What is Diane Gilliland's phone number?
- The practice phone number listed in the NPPES registry for Diane Gilliland is (310) 222-3501.
- Does Diane Gilliland accept Medicare?
- Diane Gilliland is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Gilliland's NPI active?
- Yes — Diane Gilliland's NPI (1144294927) is active in the NPPES registry as of the last update on 2024-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.