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GREGORY ANDREW HANISSIAN MD
NPI 1033216148
Allergy & Immunology in Germantown, TN

Active since September 20, 2006PECOS EnrolledAccepts Medicare Assignment
2101 MERCHANTS ROW, STE. 3, GERMANTOWN, TN 38138(901) 751-9696(901) 757-8960 Get Directions Write a Review

NPPES record last updated: January 11, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gregory Andrew Hanissian Md NPPES

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

GREGORY ANDREW HANISSIAN MD (NPI 1033216148) is an individual allergy & immunology provider in Germantown, Tennessee, licensed in Tennessee (25121) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (1991).

NPPES Registry Identity

NPI1033216148
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameGREGORY ANDREW HANISSIANCredential: MD
Location Address2101 MERCHANTS ROW, STE. 3Germantown, TN 38138-3862
Mailing Address2101 Merchants Row, Ste. 3Germantown, TN 38138-3862 · (901) 751-9696 · Fax (901) 757-8960
Phone(901) 751-9696
Fax(901) 757-8960
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 1991
Enumeration DateSeptember 20, 2006
Last NPPES UpdateJanuary 11, 2008
✔ NPI 1033216148 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in TN · 25121
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.
2101 MERCHANTS ROW, Germantown, TN 38138
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Other Identifiers 2

Medicare UPING33560TN
Medicare PIN3804423TN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, 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

Gregory Andrew Hanissian 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 ID7315025004
PECOS Enrollment IDI20111114000743
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 11

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.
4,703 services67 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.
1,300 services57 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.
787 services49 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.
208 services20 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.
180 services116 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
58 services58 patients

Referred Medical Equipment & Supplies CMS DME claims 4

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 suppliers27 claims107 services$18.41 avg. paid by Medicare
Injection, immune globulin (hizentra), 100 mg J1559
Treatment-Injections and Infusions (nononcologic) · category RI008N
3 suppliers48 claims17,812 services$9.49 avg. paid by Medicare
Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg J1569
Treatment-Injections and Infusions (nononcologic) · category RI008N
1 supplier13 claims576 services$35.38 avg. paid by Medicare
Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each K0552
DME-Other DME · category DE000N
3 suppliers27 claims123 services$2.39 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

ARAM S HANISIAN MD PC
Allergy & Immunology
2101 MERCHANTS ROW, STE 3
GERMANTOWN, TN 38138
Shelby County (901) 751-9696

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 Hanissian's NPI number?

The NPI number for Gregory Hanissian is 1033216148. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Gregory Hanissian located?

Gregory Hanissian practices at 2101 Merchants Row Ste. 3, Germantown, TN 38138. The listed phone number is (901) 751-9696.

What is Gregory Hanissian's specialty?

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

Is Gregory Hanissian enrolled in Medicare?

Yes. Gregory Hanissian 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 Hanissian accept?

Health plans from BlueCross BlueShield of Tennessee and UnitedHealthcare list Gregory Hanissian 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 Hanissian was last updated on January 11, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.