Mary Gianos, MD
NPI 1386638971 · Allergy & Immunology Physician · Camarillo, CA
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Gianos, MD is a Allergy & Immunology Physician provider in Camarillo, CA (NPI 1386638971).
Provider details
- NPI number
- 1386638971
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- License
- G57446 (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
7,020 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) |
|---|---|---|
| Test for Allergy Using Allergenic Extract95004 | 2,171 | $4 |
| Professional Service for Multiple Injections of Allergen95117 | 2,069 | $13 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,530 | $16 |
| Test for Allergy Using Skin Patch95044 | 816 | $5 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 266 | $92 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 121 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 141 | 44 |
| Levocetirizine Dihydrochloride | 62 | 17 |
| Fluticasone Propionate | 57 | 23 |
| Azelastine Hcl | 40 | 19 |
| Dupilumabbrand: Dupixent Pen | 39 | — |
| Ipratropium Bromide | 33 | 12 |
| Prednisone | 29 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Gianos's NPI number?
- Mary Gianos's National Provider Identifier (NPI) is 1386638971, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Gianos's specialty?
- Mary Gianos is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Gianos located?
- Mary Gianos's practice location on file with NPPES is 3901 Las Posas Rd, Camarillo, CA 93010-1501.
- What is Mary Gianos's phone number?
- The practice phone number listed in the NPPES registry for Mary Gianos is (805) 482-5518.
- Does Mary Gianos accept Medicare?
- Mary Gianos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Gianos's NPI active?
- Yes — Mary Gianos's NPI (1386638971) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.