Charissa Zima
- Industry payments
- $77
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 26021 Business Center Dr, Redlands, CA 92374
- Practice phone
- Call (909) 488-4545
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gastro Health Inc
Redlands, California
Find Charissa Zima'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.
Charissa Zima is a nurse practitioner in Redlands, California
Charissa Zima practices at Gastro Health Inc in Redlands, California.
Charissa Zima's NPI, 1831987965, was assigned on April 29, 2025. Charissa Zima holds California license 95029980.
- NPI
- 1831987965NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931628872
- NPI enumeration date
- April 29, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 488-4545
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 29
- Medical school graduation
- 2023
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Charissa Zima practices at Gastro Health Inc in Redlands, California
Charissa Zima's primary practice is Gastro Health Inc, at 26021 Business Center Dr, Redlands, CA 92374 in San Bernardino County. The practice phone is (909) 488-4545.
- Gastro Health Inc26021 Business Center Dr, Redlands, CA 92374 · San Bernardino CountyPhone(909) 488-4545
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Charissa Zima is affiliated with 2 sites of care and 1 medical group
Charissa Zima's primary practice is Gastro Health Inc in Redlands, California. The medical group on file is Gastro Health Inc. Dmand AI also links Charissa Zima to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Charissa Zima's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Charissa Zima practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gastro Health Inc | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Charissa Zima is one of 5,983 nurse practitioners in California
Nurse practitioner is Charissa Zima's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Charissa Zima is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Charissa Zima
Counts of 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
Charissa Zima's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Charissa Zima's median patient age at 62, with 58% women.
Charissa Zima's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women58%
- Men42%
Source: Dmand AI Patient Panel Data
How Charissa Zima takes part in Medicare
Charissa Zima 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)
Charissa Zima received $77 in industry payments in 2025
CMS Open Payments shows 3 general payments to Charissa Zima from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $55.
Companies that paid Charissa Zima the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Charissa Zima'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (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 Charissa Zima
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Charissa Zima's NPI number?
Charissa Zima's NPI number is 1831987965. It was assigned on April 29, 2025, and it is active in the NPI Registry.
What does Charissa Zima specialize in?
Charissa Zima is a nurse practitioner in Redlands, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Charissa Zima practice?
Charissa Zima practices at 26021 Business Center Dr, Redlands, CA 92374. Charissa Zima's primary practice is Gastro Health Inc in Redlands, California. Dmand AI also links Charissa Zima to 1 group practice or clinic.
What is Charissa Zima's office phone number?
The practice phone on file for Charissa Zima is (909) 488-4545.
What is Charissa Zima's medical license number?
Charissa Zima holds California license 95029980.
What medical group is Charissa Zima part of?
Charissa Zima is linked to Gastro Health Inc.
Does Charissa Zima accept Medicare?
Yes. CMS lists Charissa Zima as accepting Medicare assignment.
Has Charissa Zima received payments from drug or device companies?
CMS Open Payments shows $77 in general payments to Charissa Zima from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Charissa Zima been practicing?
Charissa Zima graduated from medical school in 2023, 3 years ago.
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