Marissa Wat, MSN, RN
- Medicare patients, 2024
- 302
- Hospital affiliations
- 5
- Industry payments
- $36
- Medical groups
- 12
- State license
- 1
- Practice address
- 5250 Kietzke Lane, Reno, NV 89511
- Practice phone
- Call (775) 829-7600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Digestive Health Center - Reno
Surgery Center - Medicare-Certified · Reno, Nevada
Find Marissa Wat'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.
Marissa Wat is a nurse anesthetist in Reno, Nevada
Marissa Wat practices at Digestive Health Center - Reno in Reno, Nevada.
Marissa Wat's NPI, 1023411642, was assigned on September 28, 2014. Marissa Wat holds California license 95000265.
- NPI
- 1023411642NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052639523
- NPI enumeration date
- September 28, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (775) 829-7600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Marissa Wat practices at Digestive Health Center - Reno in Reno, Nevada
Marissa Wat's primary practice is Digestive Health Center - Reno, at 5250 Kietzke Lane, Reno, NV 89511. The practice phone is (775) 829-7600.
- Digestive Health Center - Reno5250 Kietzke Lane, Reno, NV 89511Phone(775) 829-7600
Source: Dmand AI Affiliation Data
Marissa Wat is affiliated with 8 sites of care and 12 medical groups
Marissa Wat's primary practice is Digestive Health Center - Reno in Reno, Nevada. Marissa Wat is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is Digestive Health Associates. Dmand AI also links Marissa Wat to 4 more hospitals, 11 medical groups, 1 physician office and 1 ambulatory surgery center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marissa Wat's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marissa Wat practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Digestive Health Center - Reno | Available with a free account |
| +7 more sites and 11 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Marissa Wat is one of 178 nurse anesthetists in Nevada
Nurse anesthetist, certified registered is Marissa Wat's primary specialty in the NPI Registry, under taxonomy code 367500000X. Marissa Wat is licensed in California.
Specialties and state licenses
- Certified registered nurse anesthetist, CaliforniaPrimary
Nurse anesthetists near Marissa Wat
Counts of nurse anesthetists 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
Marissa Wat treated 302 Medicare patients in 2024, average age 73
CMS counts 302 Medicare patients who saw Marissa Wat in 2024. The largest group is 65 to 74, with 175 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 0.89, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Marissa Wat's median patient age at 63, with 58% women.
Marissa Wat's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Marissa Wat's Medicare patients by sex, 2024
- Women15953%
- Men14347%
Chronic conditions among Marissa Wat's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis45%
- Diabetes24%
- Anxiety20%
- Ischemic heart disease20%
- Cancer17%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Marissa Wat's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Marissa Wat takes part in Medicare
Marissa Wat 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)
Marissa Wat received $36 in industry payments in 2025
CMS Open Payments shows 2 general payments to Marissa Wat from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Sebela Pharmaceuticals Inc. paid the most, $21.
Companies that paid Marissa Wat 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 Marissa Wat'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 DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - 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) |
| 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 Marissa Wat
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marissa Wat's NPI number?
Marissa Wat's NPI number is 1023411642. It was assigned on September 28, 2014, and it is active in the NPI Registry.
What does Marissa Wat specialize in?
Marissa Wat is a nurse anesthetist in Reno, Nevada. The primary specialty in the NPI Registry is Certified Registered Nurse Anesthetist (taxonomy code 367500000X).
Where does Marissa Wat practice?
Marissa Wat practices at 5250 Kietzke Lane, Reno, NV 89511. Marissa Wat's primary practice is Digestive Health Center - Reno in Reno, Nevada. Dmand AI also links Marissa Wat to 4 hospitals, 11 medical groups, 1 physician office and 1 ambulatory surgery center.
What is Marissa Wat's office phone number?
The practice phone on file for Marissa Wat is (775) 829-7600.
What is Marissa Wat's medical license number?
Marissa Wat holds California license 95000265.
Which hospitals is Marissa Wat affiliated with?
Marissa Wat is affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Marissa Wat to 4 more hospitals.
What medical group is Marissa Wat part of?
Marissa Wat is linked to Digestive Health Associates. Dmand AI links Marissa Wat to 11 more medical groups.
Does Marissa Wat accept Medicare?
Yes. CMS lists Marissa Wat as accepting Medicare assignment.
How many Medicare patients does Marissa Wat see?
CMS counts 302 Medicare patients who saw Marissa Wat in 2024, with an average age of 73.
Has Marissa Wat received payments from drug or device companies?
CMS Open Payments shows $36 in general payments to Marissa Wat from 2 companies from 2025 to 2025. The largest total came from Sebela Pharmaceuticals Inc.
How long has Marissa Wat been practicing?
Marissa Wat graduated from medical school in 2014, 12 years ago.
Selling to nurse anesthetist, certified registered practices?
See nurse anesthetists in Nevada by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card