DR. ROSEMARY HALLETT (M.D.) – Allergy & Immunology (Internal Medicine) Physician, NPI 1376527804
Allergy & Immunology (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
521 ALLERGY/IMMUNOLOGY in CA
Provider Addresses for DR. ROSEMARY HALLETT (M.D.)
451 E. HEALTH SCIENCES DR
SUITE 6510
DAVIS, CA 956168660
Phone: (530) 752-2884
Fax: (530) 754-6047
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2010-04-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20100416000682 | I | Allergy/Immunology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 95115 | Professional service for single injection of allergen | 95 | 11 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 86 | 65 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 58 | 52 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 58 | 58 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 58 | 44 | $0 |
Insurance plans in this area (ZIP 95616)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Registered Dietitian Or Nutrition Professional | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| H E M A T O L O G Y/ O N C O L O G Y | CA | |
| Cardiovascular Disease (Cardiology) | CA | |
| Physical Therapist In Private Practice | CA | |
| Family Practice | CA | |
| U R O L O G Y | CA | |
| - | CA | |
| Physical Therapist In Private Practice | CA | |
| O P T O M E T R Y | CT |
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