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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY ELISE GIANOS MD
NPI 1386638971
Allergy & Immunology in Camarillo, CA

Active since September 09, 2005PECOS Enrolled
3901 LAS POSAS RD, SUITE 203, CAMARILLO, CA 93010(805) 482-5518(805) 445-9543 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Elise Gianos Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY ELISE GIANOS MD (NPI 1386638971) is an individual allergy & immunology provider in Camarillo, California, licensed in California (G57446) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1984).

NPPES Registry Identity

NPI1386638971
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameMARY ELISE GIANOSCredential: MD
Location Address3901 LAS POSAS RD, SUITE 203Camarillo, CA 93010-1501
Mailing Address3901 Las Posas Rd, Suite 203Camarillo, CA 93010-1501 · (805) 482-5518 · Fax (805) 445-9543
Phone(805) 482-5518
Fax(805) 445-9543
Sole ProprietorNo
Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1984
Enumeration DateSeptember 9, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1386638971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · G57446
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
3901 LAS POSAS RD, Camarillo, CA 93010
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mary Elise Gianos Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183676729
PECOS Enrollment IDI20050211000462
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Test for allergy using allergenic extract 95004
An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.
2,171 services34 patients
Professional service for multiple injections of allergen 95117
The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.
2,069 services136 patients
Professional service for preparation and provision of 1 or more antigens 95165
This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.
1,530 services118 patients
Test for allergy using skin patch 95044
A skin patch test helps identify allergens causing skin reactions. Small patches with potential allergens are applied to your skin, usually on the back. After 48 hours, they are removed to check for reactions. It's a safe and effective way to diagnose allergies.
816 services12 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
266 services188 patients
Injection of drug or substance under skin or into muscle 96372
This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.
121 services14 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JILL SERENE MINES MD
Dermatology
3901 LAS POSAS RD, #108
CAMARILLO, CA 93010
Ventura County (805) 484-3331
MARIA I DICKEY DO
Family Medicine
3901 LAS POSAS RD, SUITE # 10
CAMARILLO, CA 93010
Ventura County (805) 918-4476
DAVID H. LOWE, M.D. A PROF. CORP.
Clinic/Center
3901 LAS POSAS RD, SUITE #204
CAMARILLO, CA 93010
Ventura County (805) 482-8080
BEVERLY RADIOLOGY MEDICAL GROUP
Radiology (Diagnostic Radiology)
3901 LAS POSAS RD, SUITE 104
CAMARILLO, CA 93010
Ventura County (805) 389-9657
CAMARILLO ENDODONTICS
Dentist (Endodontics)
3901 LAS POSAS RD, SUITE 6
CAMARILLO, CA 93010
Ventura County (805) 484-0555
DAVID HUEI-CHUNG LOWE MD
Pediatrics
3901 LAS POSAS RD, SUITE #204
CAMARILLO, CA 93010
Ventura County (805) 482-8080
EDWARD A. SEARLE M.D.
Dermatology
3901 LAS POSAS RD, SUITE #108
CAMARILLO, CA 93010
Ventura County (805) 484-3331
MR. GARY SWANSON M.D.
Obstetrics & Gynecology
3901 LAS POSAS RD, #100
CAMARILLO, CA 93010
Ventura County (805) 484-0479

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Gianos's NPI number?

The NPI number for Mary Gianos is 1386638971. It was assigned to this individual provider in the NPPES registry on September 9, 2005.

Where is Mary Gianos located?

Mary Gianos practices at 3901 Las Posas Rd Suite 203, Camarillo, CA 93010. The listed phone number is (805) 482-5518.

What is Mary Gianos's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Mary Gianos enrolled in Medicare?

Yes. Mary Gianos is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mary Gianos was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.