Doctor profile · Federal record
Dr. Rosemary Hallett, M.D.
Allergy & Immunology (Internal Medicine) Physician (CMS: Allergy/Immunology) · Davis, CA
- NPI 1376527804
- Accepts Medicare
- 31 yrs in practice
- Female
- No sanctions
Practice & contact
- Primary practice
-
451 E. Health Sciences Dr, Suite 6510
Davis, CA 956168660
(530) 752-2884
fax (530) 754-6047
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207RA0201X — NUCC code
- State license (1)
- California #A71662
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1376527804. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
515
Distinct HCPCS
10
Medicare allowed
$58,355
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
95115 |
Professional service for single injection of allergen | 95 | 11 | $11 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 86 | 65 | $136 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 58 | 58 | $176 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 58 | 52 | $96 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 58 | 44 | $181 | |
94010 |
Test to measure expiratory airflow and volume | 40 | 40 | $30 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 38 | 38 | $119 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 32 | 32 | $232 | |
G0009 |
Administration of pneumococcal vaccine | 19 | 19 | $33 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 18 | 18 | $282 |
In context: peer comparison
Among 1 peers in Davis Allergy & Immunology (Internal Medicine) Physician, average services per provider: 46. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
748
Patients
255
Total drug cost
$501,769
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 190 | 73 | $107,033 |
| Azelastine Hcl | Generic | 128 | 47 | $5,485 |
| Ipratropium Bromide | Generic | 59 | 33 | $2,745 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 57 | 20 | $50,697 |
| Omeprazole | Generic | 55 | 16 | $587 |
| Fluticasone Propionate | Generic | 51 | 21 | $867 |
| Dupixent Pen (Dupilumab) | Brand | 40 | 0 | $173,565 |
| Montelukast Sodium | Generic | 31 | 0 | $537 |
| Budesonide-Formoterol Fumarate (Budesonide/Formoterol Fumarate) | Brand | 25 | 13 | $6,552 |
| Epinephrine | Generic | 24 | 20 | $6,008 |
Hospital affiliations
Frequently asked questions
What is Dr. Rosemary Hallett's medical specialty?
Dr. Rosemary Hallett practices Allergy & Immunology (Internal Medicine) Physician in Davis, CA.
Where does Dr. Rosemary Hallett practice?
Dr. Rosemary Hallett practices at 451 E. Health Sciences Dr, Davis, CA 956168660. Office phone: 5307522884.
What is Dr. Rosemary Hallett's NPI?
Dr. Rosemary Hallett's National Provider Identifier (NPI) is 1376527804, issued by NPPES.
Does Dr. Rosemary Hallett accept Medicare assignment?
Yes. Dr. Rosemary Hallett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rosemary Hallett commonly perform?
Top Medicare-reported procedures in 2023: Professional service for single injection of allergen (HCPCS 95115); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.