DR. GREGORY MICHAEL COWAN M.D.
NPI 1164756904
Allergy & Immunology in Peoria, AZ

Q: What is Gregory Cowan's NPI number?

The NPI number for Gregory Cowan is 1164756904. It was assigned to this individual provider in the NPPES registry on September 27, 2009.

Q: What is Gregory Cowan'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 Gregory Cowan was last updated on October 26, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since September 27, 2009PECOS EnrolledAccepts Medicare Assignment

9145 W THUNDERBIRD RD STE 101, PEORIA, AZ 85381(623) 815-7800(623) 815-7900 Get Directions Write a Review

NPPES record last updated: October 26, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 23, 2017, Feb 27, 2017 (2 updates tracked since 2017).

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About Dr. Gregory Michael Cowan M.d. NPPES

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

DR. GREGORY MICHAEL COWAN M.D. (NPI 1164756904) is an individual allergy & immunology provider in Peoria, Arizona, licensed in Arizona (48556) and active in the NPI registry since September 2009. He is enrolled in Medicare PECOS and is a graduate of University Of South Florida College Of Medicine (2008).

NPPES Registry Identity

NPI1164756904

Entity TypeIndividualMale

Primary Taxonomy207K00000X

Provider Legal NameDR. GREGORY MICHAEL COWANCredential: M.D.

Location Address9145 W THUNDERBIRD RD STE 101Peoria, AZ 85381-4820

Mailing Address9145 W Thunderbird Rd Ste 101Peoria, AZ 85381-4820 · (623) 815-7800 · Fax (623) 815-7900

Phone(623) 815-7800

Fax(623) 815-7900

Sole ProprietorNo

Medical School CMSUniversity Of South Florida College Of MedicineGraduated 2008

Enumeration DateSeptember 27, 2009

Last NPPES UpdateOctober 26, 20212 updates tracked since enumeration

NPPES CertifiedOctober 26, 2021

✔ NPI 1164756904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians

Taxonomy Code207K00000X

Licenses✔ Licensed in AZ · 48556✔ Licensed in FL · ME110800

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.

Also ListedPediatricsTaxonomy 208000000X · License ME110800 (FL), 48556 (AZ)

9145 W THUNDERBIRD RD STE 101, Peoria, AZ 85381

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Other Identifiers 2

Medicaid003990800FL

Medicaid935585AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Oscar Health Plan, Inc., UnitedHealthcare.Insurance ›

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

Dr. Gregory Michael Cowan M.d. 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 ID9931320025

PECOS Enrollment IDI20141014000952

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 15

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.

Injection, inclisiran, 1 mg J1306

Inclisiran is an injection administered to lower cholesterol levels. It works by blocking the production of LDL (bad cholesterol) in your liver. This medicine is often used when diet changes and other medications have not been effective.

420,300 services975 patients

Injection, romosozumab-aqqg, 1 mg J3111

Romosozumab-aqqg is a medication given by injection to treat osteoporosis in patients at high risk for fractures. It works by increasing bone mass and strength, reducing the risk of fractures.

16,800 services24 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

14,100 services172 patients

Injection, omalizumab, 5 mg J2357

Omalizumab is a medication given via injection. It's used to treat severe allergic asthma and chronic hives when other treatments fail. The 5mg dose is determined by your doctor based on your weight and condition.

11,730 services15 patients

Injection, mepolizumab, 1 mg J2182

Mepolizumab is a medication given via injection to help manage severe asthma and certain other conditions. It works by reducing the number of specific white blood cells that contribute to inflammation, thus aiding in symptom control.

6,100 services11 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.

4,110 services52 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.

2,173 services1,217 patients

Injection, benralizumab, 1 mg J0517

Benralizumab is a medication given via injection to help manage severe asthma. It works by reducing the number of eosinophils, a type of white blood cell that can contribute to asthma symptoms.

2,040 services16 patients

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.

1,264 services21 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.

618 services52 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

251 services11 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.

136 services94 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

101 services24 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.

29 services29 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.

28 services23 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.

Reported Quality Measures

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

90%1,033 patients3/55-star benchmark: 99%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

99%462 patients4/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

11%508 patients1/55-star benchmark: 97%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

81%508 patients4/55-star benchmark: 100%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

7%508 patients1/55-star benchmark: 89%

View, Download, or Transmit (VDT)

At least one patient seen by the MIPS eligible clinician during the performance period (or patient-authorized representative) views, downloads or transmits their health information to a third party during the performance period.

44%508 patients

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

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

3 suppliers32 claims127 services$17.72 avg. paid by Medicare

Injection, immune globulin (cuvitru), 100 mg J1555

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier21 claims8,720 services$11.72 avg. paid by Medicare

Injection, immune globulin (xembify), 100 mg J1558

Treatment-Injections and Infusions (nononcologic) · category RI008N

1 supplier13 claims2,080 services$10.74 avg. paid by Medicare

Injection, immune globulin (hizentra), 100 mg J1559

Treatment-Injections and Infusions (nononcologic) · category RI008N

3 suppliers32 claims12,860 services$9.45 avg. paid by Medicare

Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552

DME-Other DME · category DE000N

5 suppliers52 claims287 services$2.30 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 Gregory Cowan's NPI number?

The NPI number for Gregory Cowan is 1164756904. It was assigned to this individual provider in the NPPES registry on September 27, 2009.

Where is Gregory Cowan located?

Gregory Cowan practices at 9145 W Thunderbird Rd Ste 101, Peoria, AZ 85381. The listed phone number is (623) 815-7800.

What is Gregory Cowan's specialty?

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

Is Gregory Cowan enrolled in Medicare?

Yes. Gregory Cowan 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.

What insurance does Gregory Cowan accept?

Health plans from Ambetter from Arizona Complete Health, Oscar Health Plan, Inc. and UnitedHealthcare list Gregory Cowan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Cowan was last updated on October 26, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.