Rosemary Hallett, M.D.
Rosemary Hallett is an Allergy & Immunology specialist based in Davis, CA with over 31 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: INTERNAL MEDICINE, PEDIATRIC MEDICINE
Rosemary Hallett, M.D. provides internal medicine care in Davis, CA. She graduated from Tulane University School of Medicine in 1995 and has 31+ years of clinical experience. She regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data).
Older · 6894dNPPES updated 2007-07-08 · verify NPI on CMS · Verify license at Medical Board of California
Contact & Location
Practice Location
451 E. Health Sciences Dr Suite 6510, Davis, CA 95616-8660
How Does This Doctor Compare?
Generic Rx
↑ Higher = better45.7%
California avg: 83.3 · US avg: 82.8
⚠ Lower than most doctors nationally(-37.1 pts)
How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.
Medicare Patients
255
Unique beneficiaries
Standard volumePrescription Recipients
194
Patients prescribed
Prescriptions Written
906
Total claims
Total Medicare drug cost: $1.11M
Percentile rankings compared against 9,360 reporting peers in California.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+1%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%↓ Fewer patients than average (-9%) — less common here
Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+4%) — a focus area for this doctor
A condition causing airway inflammation, wheezing, and difficulty breathing
US avg: 13.3%↑ More patients than average (+25%) — a focus area for this doctor
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-7%) — less common here
Conditions affecting emotional state, including depression and bipolar disorder
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-14%) — less common here
Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$56 received from industry
2 transactions reported in 2018 ·Low tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2018, attributed to Rosemary Hallett's NPI.
Patient Reviews
No patient reviews yet. If you've seen Rosemary Hallett, your feedback helps other patients.
Review PolicyAll feedback is moderated before publishing. We verify reviewer identity where possible and enforce a one-review-per-provider policy. Full guidelines →
Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1995
Tulane University School of Medicine
31 years in practice
Senior practitioner
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
Taxonomy: 207RA0201X
Education & Training
Tulane University School of Medicine (Class of 1995)
Primary hospital affiliation: Acute Care Hospitals
CMS Certification Number: 210023
View hospital on Medicare Care CompareVirtual Allergy & Immunology Care With Rosemary Hallett
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Rosemary Hallett for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Davis required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Rosemary Hallett
NPI records show Dr. Hallett as active with telehealth listed in Davis, CA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (530) 752-2884.
Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Open Payments 2018 · CMS Physician Comparator. See Data Methodology.
Is this your profile?
Verify credentials, update practice details, and manage telehealth.
Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.
Contact Rosemary Hallett
Practice Location
451 E. Health Sciences Dr Suite 6510, Davis, CA 95616-8660
Mailing Address
451 E. Health Sciences Dr Suite 6510, Davis, CA 95616-8660
This is a provider directory. Contact the office directly to schedule appointments.
Related Providers