Darla Elaine Watterson, NP
- Hospital affiliations
- 1
- Industry payments
- $74
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2011
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Darla Watterson'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.
Darla Elaine Watterson is a family nurse practitioner in Fontana, California
Darla Watterson practices at Fontana Medical Center in Fontana, California.
Darla Watterson's NPI, 1356623789, was assigned on September 12, 2011. Darla Watterson holds California license 20418.
- NPI
- 1356623789NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4486940202
- NPI enumeration date
- September 12, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Darla Elaine Watterson practices at Fontana Medical Center in Fontana, California
Darla Watterson's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Darla Elaine Watterson is affiliated with 2 sites of care and 1 medical group
Darla Watterson's primary practice is Fontana Medical Center in Fontana, California. Darla Watterson is also affiliated with Loma Linda University Medical Center - Murrieta. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Darla Elaine Watterson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Darla Watterson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Darla Elaine Watterson is one of 13,532 family nurse practitioners in California
Family is Darla Watterson's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Darla Watterson is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Darla Watterson
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
Darla Elaine Watterson's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Darla Watterson's median patient age at 76, with 49% women.
Darla Watterson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
How Darla Elaine Watterson takes part in Medicare
Darla Watterson 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)
Darla Elaine Watterson received $74 in industry payments in 2025
CMS Open Payments shows 3 general payments to Darla Watterson from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $74.
Companies that paid Darla Watterson 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 Darla Elaine Watterson'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 DataDmand AI Org Hierarchy 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 Darla Elaine Watterson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Darla Elaine Watterson's NPI number?
Darla Elaine Watterson's NPI number is 1356623789. It was assigned on September 12, 2011, and it is active in the NPI Registry.
What does Darla Elaine Watterson specialize in?
Darla Elaine Watterson is a family nurse practitioner in Fontana, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Darla Elaine Watterson practice?
Darla Watterson practices at 9961 Sierra Ave, Fontana, CA 92335. Darla Watterson's primary practice is Fontana Medical Center in Fontana, California.
What is Darla Elaine Watterson's office phone number?
The practice phone on file for Darla Watterson is (909) 427-3910.
What is Darla Elaine Watterson's medical license number?
Darla Watterson holds California license 20418.
Which hospitals is Darla Elaine Watterson affiliated with?
Darla Watterson is affiliated with Loma Linda University Medical Center - Murrieta.
What medical group is Darla Elaine Watterson part of?
Darla Watterson is linked to Southern California Permanente Medical Group.
Does Darla Elaine Watterson accept Medicare?
Yes. CMS lists Darla Watterson as accepting Medicare assignment.
Has Darla Elaine Watterson received payments from drug or device companies?
CMS Open Payments shows $74 in general payments to Darla Watterson from 1 company from 2025 to 2025. The largest total came from Boston Scientific Corporation.
How long has Darla Elaine Watterson been practicing?
Darla Watterson graduated from medical school in 2010, 16 years ago.
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