Doctor profile · Federal record
Dr. Rachael Stillwagon, P.A.
Allergy & Immunology Physician (CMS: Physician Assistant) · Scottsdale, AZ
- NPI 1437174208
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
10200 N 92Nd St Ste 130
Scottsdale, AZ 852584535
(480) 614-8011
fax (480) 614-8014 - Additional location
-
7514 E Monterey Way Ste 1
Scottsdale, AZ 852516900
(480) 949-7377
fax (480) 949-8339 - Mailing address
-
7514 E Monterey Way Ste 1
Scottsdale, AZ 852516900
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- June 11, 2020
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207K00000X — NUCC code
- State license (1)
- Arizona #2626
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1437174208. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,450
Distinct HCPCS
6
Medicare allowed
$39,108
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95004 |
Test for allergy using allergenic extract | 2,067 | 34 | $3 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 206 | 136 | $105 | |
95012 |
Test to measure the level of nitric oxide gas | 47 | 38 | $15 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 47 | 47 | $137 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 46 | 36 | $32 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 35 | $59 |
In context: peer comparison
Among 6 peers in Scottsdale Allergy & Immunology Physician, average services per provider: 2,518. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$1,245
Transactions
53
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Csl Behring | 12 | $270.51 | |
| AstraZeneca Pharmaceuticals Lp | 4 | $234.33 | |
| Genzyme Corporation | 10 | $135.70 | |
| GlaxoSmithKline, LLC. | 5 | $111.35 | |
| Novartis Pharmaceuticals Corporation | 4 | $74.29 | |
| Regeneron Healthcare Solutions, INC. | 4 | $72.42 | |
| TerSera Therapeutics LLC | 2 | $66.91 | |
| Octapharma USA, INC. | 2 | $66.02 | |
| Takeda Pharmaceuticals U.S.A., INC. | 3 | $53.60 | |
| Genentech USA, INC. | 2 | $51.15 | |
| BioCryst US Sales Co., LLC | 2 | $48.86 | |
| Kaleo, INC. | 1 | $25.52 | |
| Lilly USA, LLC | 1 | $17.36 | |
| Grifols USA, LLC | 1 | $16.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
579
Patients
200
Total drug cost
$258,161
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 80 | 52 | $296 |
| Montelukast Sodium | Generic | 79 | 22 | $1,188 |
| Azelastine Hcl | Generic | 66 | 29 | $2,411 |
| Levocetirizine Dihydrochloride | Generic | 54 | 20 | $1,499 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 38 | 0 | $19,747 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 36 | 20 | $905 |
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 36 | 0 | $40,468 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 35 | 0 | $13,736 |
| Dupixent Syringe (Dupilumab) | Brand | 30 | 0 | $153,382 |
| Famotidine | Generic | 26 | 13 | $352 |
Frequently asked questions
What is Dr. Rachael Stillwagon's medical specialty?
Dr. Rachael Stillwagon practices Allergy & Immunology Physician in Scottsdale, AZ.
Where does Dr. Rachael Stillwagon practice?
Dr. Rachael Stillwagon practices at 10200 N 92Nd St Ste 130, Scottsdale, AZ 852584535. Office phone: 4806148011.
What is Dr. Rachael Stillwagon's NPI?
Dr. Rachael Stillwagon's National Provider Identifier (NPI) is 1437174208, issued by NPPES.
Does Dr. Rachael Stillwagon accept Medicare assignment?
Yes. Dr. Rachael Stillwagon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rachael Stillwagon commonly perform?
Top Medicare-reported procedures in 2023: Test for allergy using allergenic extract (HCPCS 95004); Established patient office or other outpatient visit (HCPCS 99214); Test to measure the level of nitric oxide gas (HCPCS 95012). Source: CMS Medicare Physician & Other Practitioners file.