Doctor profile · Federal record
Dr. Gregory Hanissian, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Germantown, TN
- NPI 1033216148
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2101 Merchants Row, Ste. 3
Germantown, TN 381383862
(901) 751-9696
fax (901) 757-8960
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- January 11, 2008
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- Tennessee #25121
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1033216148. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,184
Distinct HCPCS
10
Medicare allowed
$91,780
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 4,781 | 74 | $3 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 1,320 | 52 | $14 | |
95117 |
Professional service for multiple injections of allergen | 753 | 45 | $10 | |
95044 |
Test for allergy using skin patch | 692 | 14 | $4 | |
95024 |
Test for allergy using allergenic extract injected into skin | 264 | 23 | $7 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 173 | 111 | $118 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 76 | 76 | $201 | |
94375 |
Test to measure rate of airflow | 40 | 33 | $35 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 28 | 25 | $83 | |
36415 |
Insertion of needle into vein for collection of blood sample | 25 | 24 | $8 |
In context: peer comparison
Among 1 peers in Germantown Allergy & Immunology Physician, average services per provider: 682. This provider delivers 12× the peer median.Open Payments
Industry payments received
All-time total
$1,749
Transactions
80
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 20 | $436.20 | |
| Genentech USA, INC. | 11 | $231.52 | |
| Novartis Pharmaceuticals Corporation | 11 | $222.39 | |
| Genzyme Corporation | 8 | $203.11 | |
| GlaxoSmithKline, LLC. | 13 | $176.28 | |
| Sanofi-Aventis U.S. LLC | 1 | $84.99 | |
| Amgen INC. | 4 | $76.62 | |
| Grifols USA, LLC | 4 | $66.47 | |
| Regeneron Healthcare Solutions, INC. | 1 | $66.13 | |
| Csl Behring | 2 | $51.67 | |
| Pfizer INC. | 1 | $21.80 | |
| Axsome Therapeutics, INC. | 1 | $20.80 | |
| Lilly USA, LLC | 1 | $20.01 | |
| Hikma Pharmaceuticals USA | 1 | $19.08 | |
| Blueprint Medicines Corporation | 1 | $19.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
193
Patients
39
Total drug cost
$140,850
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Montelukast Sodium | Generic | 38 | 11 | $479 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 22 | 11 | $1,051 |
| Azithromycin | Generic | 20 | 17 | $115 |
| Dupixent Pen (Dupilumab) | Brand | 20 | 0 | $73,584 |
| Dupixent Syringe (Dupilumab) | Brand | 17 | 0 | $64,254 |
| Azelastine Hcl | Generic | 14 | 0 | $322 |
| Fluticasone Propionate | Generic | 14 | 0 | $133 |
| Levocetirizine Dihydrochloride | Generic | 13 | 0 | $284 |
| Clotrimazole-Betamethasone (Clotrimazole/Betamethasone Dip) | Brand | 12 | 0 | $392 |
| Methylprednisolone | Generic | 12 | 0 | $96 |
Frequently asked questions
What is Dr. Gregory Hanissian's medical specialty?
Dr. Gregory Hanissian practices Allergy & Immunology Physician in Germantown, TN.
Where does Dr. Gregory Hanissian practice?
Dr. Gregory Hanissian practices at 2101 Merchants Row, Germantown, TN 381383862. Office phone: 9017519696.
What is Dr. Gregory Hanissian's NPI?
Dr. Gregory Hanissian's National Provider Identifier (NPI) is 1033216148, issued by NPPES.
Does Dr. Gregory Hanissian accept Medicare assignment?
Yes. Dr. Gregory Hanissian accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Hanissian commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Professional service for preparation and provision of 1 or more antigens (HCPCS 95165); Professional service for multiple injections of allergen (HCPCS 95117). Source: CMS Medicare Physician & Other Practitioners file.