Rachel Zizza, RN
- Medicare services, 2024
- 78
- Medicare patients, 2024
- 41
- Part D claims, 2024
- 967
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 2316 Harrison Ave, Eureka, CA 95501-3217
- Practice phone
- Call (707) 442-0478
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Humboldt Del Norte Independent Practice Association
Multi-specialty group site · Eureka, California
Find Rachel Zizza's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Rachel Zizza is a family nurse practitioner in Eureka, California
Rachel Zizza practices at Humboldt Del Norte Independent Practice Association in Eureka, California.
Rachel Zizza's NPI, 1609251909, was assigned on July 28, 2015. Rachel Zizza holds California license 95012038.
- NPI
- 1609251909NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183091440
- NPI enumeration date
- July 28, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 442-0478
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Rachel Zizza practices at Humboldt Del Norte Independent Practice Association in Eureka, California
Rachel Zizza's primary practice is Humboldt Del Norte Independent Practice Association, at 2316 Harrison Ave, Eureka, CA 95501-3217. The practice phone is (707) 442-0478.
- Humboldt Del Norte Independent Practice Association2316 Harrison Ave, Eureka, CA 95501-3217Phone(707) 442-0478
Source: Dmand AI Affiliation Data
Rachel Zizza is affiliated with 3 sites of care and 1 medical group
Rachel Zizza's primary practice is Humboldt Del Norte Independent Practice Association in Eureka, California. Rachel Zizza is also affiliated with Providence St. Joseph Hospital Eureka. The medical group on file is Humboldt Independent Practice Association. Dmand AI also links Rachel Zizza to 1 more hospital, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Rachel Zizza's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Rachel Zizza practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Humboldt Del Norte Independent Practice Association | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Rachel Zizza is one of 13,532 family nurse practitioners in California
Family is Rachel Zizza's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Rachel Zizza is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Clinical focus
Dmand AI lists acute gastroduodenitis, anxiety, asthma, chronic diabetes, chronic obstructive pulmonary disease (COPD), fibromyalgia and chronic pain, hemorrhoids and lower back pain among the conditions Rachel Zizza treats.
Family nurse practitioners near Rachel Zizza
Counts of family nurse practitioners with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Rachel Zizza billed Medicare for 78 services in 2024
CMS data shows 78 Medicare services from Rachel Zizza across 2 procedure codes in 2024, all of them office visits, for 41 Medicare patients. Medicare paid $3,920 for them. Every service was in an office.
Rachel Zizza compared with the California median for family nurse practitioners, 2024
- Rachel Zizza
- California median
- Medicare services
- 78vs 23467% below
- Medicare patients
- 41vs 9054% below
- Part D claims
- 626vs 36074% above
Medians across 6,382 family nurse practitioners in California with Dmand AI profiles that report each measure.
Rachel Zizza's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Rachel Zizza?
Medicare shows one payer. Book a meeting to get commercial claims data for Rachel Zizza and other family nurse practitioners in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Rachel Zizza treated 41 Medicare patients in 2024, average age 69
CMS counts 41 Medicare patients who saw Rachel Zizza in 2024. 66% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.65, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Rachel Zizza's median patient age at 51, with 64% women.
Rachel Zizza's Medicare patients by sex, 2024
- Women2766%
- Men1434%
Chronic conditions among Rachel Zizza's Medicare patients, 2024
- High cholesterol66%
- High blood pressure61%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Rachel Zizza's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 51
Patient panel by sex, all payers
- Women64%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Rachel Zizza wrote 967 Medicare Part D claims in 2024
In 2024, Rachel Zizza wrote 967 Medicare Part D claims for 65 patients. 85% of them were for generic drugs. CMS names the drug for 626 of them, across 30 drugs with 11 or more claims each, at $30,378 in total drug cost.
Rachel Zizza's Part D claims by kind of drug, 2024
- Generic823 claims85%
- Brand-name and other144 claims15%
Rachel Zizza's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Rachel Zizza's Part D claims, 2024
- Opioids2%22 of 967 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Rachel Zizza takes part in Medicare
Rachel Zizza accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Sources for Rachel Zizza's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Rachel Zizza
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Rachel Zizza's NPI number?
Rachel Zizza's NPI number is 1609251909. It was assigned on July 28, 2015, and it is active in the NPI Registry.
What does Rachel Zizza specialize in?
Rachel Zizza is a family nurse practitioner in Eureka, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Rachel Zizza practice?
Rachel Zizza practices at 2316 Harrison Ave, Eureka, CA 95501-3217. Rachel Zizza's primary practice is Humboldt Del Norte Independent Practice Association in Eureka, California. Dmand AI also links Rachel Zizza to 1 hospital.
What is Rachel Zizza's office phone number?
The practice phone on file for Rachel Zizza is (707) 442-0478.
What is Rachel Zizza's medical license number?
Rachel Zizza holds California license 95012038.
Which hospitals is Rachel Zizza affiliated with?
Rachel Zizza is affiliated with Providence St. Joseph Hospital Eureka. Dmand AI links Rachel Zizza to 1 more hospital.
What medical group is Rachel Zizza part of?
Rachel Zizza is linked to Humboldt Independent Practice Association.
Does Rachel Zizza accept Medicare?
Yes. CMS data shows Rachel Zizza billed Medicare for 78 services in 2024, and Rachel Zizza accepts Medicare assignment.
How many Medicare patients does Rachel Zizza see?
CMS counts 41 Medicare patients who saw Rachel Zizza in 2024, with an average age of 69.
What services does Rachel Zizza bill to Medicare?
In 2024, Rachel Zizza's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
What drugs does Rachel Zizza prescribe most?
In 2024 Medicare Part D data, Rachel Zizza's most prescribed drugs by claims were Losartan Potassium, Atorvastatin Calcium and Lisinopril.
How long has Rachel Zizza been practicing?
Rachel Zizza graduated from medical school in 2019, 7 years ago.
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