ALLYSON TRACY TEVRIZIAN MD
NPI 1902930753
Allergy & Immunology in Walnut Creek, CA

Q: What is Allyson Tevrizian's NPI number?

The NPI number for Allyson Tevrizian is 1902930753. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Q: What is Allyson Tevrizian's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Allyson Tevrizian was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.

Active since March 15, 2007PECOS EnrolledAccepts Medicare Assignment

69.91/100

CMS Quality Rating

130 LA CASA VIA STE 209 BLDG 2, WALNUT CREEK, CA 94598(925) 935-6252(925) 935-7611 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Allyson Tracy Tevrizian Md NPPES

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

ALLYSON TRACY TEVRIZIAN MD (NPI 1902930753) is an individual allergy & immunology provider in Walnut Creek, California, licensed in California (A064305) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Duke University School Of Medicine (1996).

NPPES Registry Identity

NPI1902930753

Entity TypeIndividualFemale

Primary Taxonomy207K00000X

Provider Legal NameALLYSON TRACY TEVRIZIANCredential: MD

Location Address130 LA CASA VIA STE 209 BLDG 2Walnut Creek, CA 94598-3034

Mailing Address370 N Wiget Ln, Ste 210Walnut Creek, CA 94598-2452 · (925) 935-0856 · Fax (925) 935-7611

Phone(925) 935-6252

Fax(925) 935-7611

Sole ProprietorNo

Medical School CMSDuke University School Of MedicineGraduated 1996

Enumeration DateMarch 15, 2007

Last NPPES UpdateMarch 7, 2023

✔ NPI 1902930753 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 · A064305

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.

130 LA CASA VIA STE 209 BLDG 2, Walnut Creek, CA 94598

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Other Identifiers 1

OtherA064305CA · State Medical License

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Allyson Tracy Tevrizian 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 ID9436337557

PECOS Enrollment IDI20110620000595

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.

Medicare Billing Reassignment

Medicare enrollment records show Allyson Tevrizian reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Allergy & Asthma Medical Group Of The Bay Area Inc

1.5 mi

Allergy & Immunology

370 N WIGET LN STE 210
Walnut Creek, CA 94598

Reassigned Medicare billing, California enrollment
18 clinicians in this Medicare group

NPI 1871550590 (925) 935-6252

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 12

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.

1,726 services41 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.

425 services28 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.

385 services27 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.

314 services21 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

173 services32 patients

Administration and interpretation of patient-focused health risk assessment 96160

This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.

167 services89 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

141 services84 patients

Test to measure the level of nitric oxide gas 95012

A test to measure the level of nitric oxide gas helps assess inflammation in the lungs, often linked with asthma. You'll breathe into a device, and it'll provide a reading of nitric oxide levels. This helps monitor and manage respiratory conditions.

136 services84 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.

130 services101 patients

Test to measure expiratory airflow and volume 94010

This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.

129 services83 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

31 services31 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

69.91/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

80.15

Promoting Interoperability

Improvement Activities

Cost

21.23

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

2 suppliers17 claims41 services$18.26 avg. paid by Medicare

Injection, immune globulin/hyaluronidase, (hyqvia), 100 mg immuneglobulin J1575

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier13 claims8,750 services$12.32 avg. paid by Medicare

Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513

DME-Other DME · category DE000N

6 suppliers11 claims11 services$23.62 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Allyson Tevrizian's NPI number?

The NPI number for Allyson Tevrizian is 1902930753. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Where is Allyson Tevrizian located?

Allyson Tevrizian practices at 130 La Casa Via Ste 209 Bldg 2, Walnut Creek, CA 94598. The listed phone number is (925) 935-6252.

What is Allyson Tevrizian's specialty?

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

Is Allyson Tevrizian enrolled in Medicare?

Yes. Allyson Tevrizian 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.

Which organization bills Medicare for Allyson Tevrizian's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Allyson Tevrizian reassigns Medicare benefits to Allergy & Asthma Medical Group Of The Bay Area Inc (Walnut Creek, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Allyson Tevrizian's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Allyson Tevrizian was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.