Doctor profile · Federal record
Dr. Brian Millhollon, MD
Allergy & Immunology Physician (CMS: Allergy/Immunology) · Phoenix, AZ
- NPI 1841212693
- Accepts Medicare
- 44 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
16611 S 40Th Street, Suite 170
Phoenix, AZ 85048
(480) 705-8844
fax (480) 705-8838
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 1982 — 44 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- Arizona #21604
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1841212693. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,823
Distinct HCPCS
7
Medicare allowed
$39,315
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 1,128 | 20 | $4 | |
95165 |
Professional service for preparation and provision of 1 or more antigens | 855 | 34 | $14 | |
95117 |
Professional service for multiple injections of allergen | 460 | 27 | $11 | |
95115 |
Professional service for single injection of allergen | 215 | 12 | $10 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 118 | 77 | $87 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 29 | 29 | $161 | |
94010 |
Test to measure expiratory airflow and volume | 18 | 15 | $26 |
In context: peer comparison
Among 2 peers in Phoenix Allergy & Immunology Physician, average services per provider: 328. This provider delivers 8.6× the peer median.Open Payments
Industry payments received
All-time total
$36
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Genentech USA, INC. | 1 | $20.90 | |
| Novartis Pharmaceuticals Corporation | 1 | $14.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
286
Patients
85
Total drug cost
$47,103
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 57 | 24 | $276 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 53 | 11 | $30,786 |
| Prednisone | Generic | 51 | 32 | $140 |
| Azelastine Hcl | Generic | 28 | 18 | $1,433 |
| Montelukast Sodium | Generic | 28 | 0 | $569 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 20 | 0 | $617 |
| Arnuity Ellipta (Fluticasone Furoate) | Brand | 15 | 0 | $6,026 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 12 | 0 | $172 |
| Ipratropium Bromide | Generic | 11 | 0 | $1,496 |
| Stiolto Respimat (Tiotropium Br/Olodaterol Hcl) | Brand | 11 | 0 | $5,587 |
Frequently asked questions
What is Dr. Brian Millhollon's medical specialty?
Dr. Brian Millhollon practices Allergy & Immunology Physician in Phoenix, AZ.
Where does Dr. Brian Millhollon practice?
Dr. Brian Millhollon practices at 16611 S 40Th Street, Phoenix, AZ 85048. Office phone: 4807058844.
What is Dr. Brian Millhollon's NPI?
Dr. Brian Millhollon's National Provider Identifier (NPI) is 1841212693, issued by NPPES.
Does Dr. Brian Millhollon accept Medicare assignment?
Yes. Dr. Brian Millhollon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Brian Millhollon 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.