Log inBook a demoStart free trial
Log inStart free trial

Natalie Buntzen, MS, RD

  • Santa Ana, CA
  • Registered dietitian
NPI1477802486
Medicare patients, 2024
11
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2012
Practice address
824 E Carson St Suite 104 Suite 104, Carson, CA 90745-2262
Practice phone
Call (310) 830-9706
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Optum

Primary care practice · Carson, California

Find Natalie Buntzen'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.

View contacts for free

Natalie Buntzen is a registered dietitian in Santa Ana, California

Natalie Buntzen practices at Optum in Carson, California.

Natalie Buntzen's NPI, 1477802486, was assigned on September 5, 2012. Natalie Buntzen holds California license 887861.

NPI and contact details
NPI
1477802486NPI Registry (opens in a new tab)
NPI enumeration date
September 5, 2012
NPI status
Active
Practice phone
(310) 830-9706
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
47
Medical school graduation
2005

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Natalie Buntzen practices in Carson and Santa Ana

Natalie Buntzen's primary practice is Optum, at 824 E Carson St Suite 104 Suite 104, Carson, CA 90745-2262. The practice phone is (310) 830-9706. The NPI Registry lists Natalie Buntzen's practice address as 2212 E 4th St, Santa Ana, CA 92705.

  • OptumPrimary
    824 E Carson St Suite 104 Suite 104, Carson, CA 90745-2262Phone(310) 830-9706
  • NPI Registry address
    2212 E 4th St, Santa Ana, CA 92705

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Natalie Buntzen is affiliated with 1 site of care and 1 medical group

Natalie Buntzen's primary practice is Optum in Carson, California. The medical group on file is Optum - Downtown Los Angeles.

OptumPrimary care practice · Carson, CaliforniaPrimary
Optum - Downtown Los AngelesPrimary care group, Los Angeles, CA

Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dmand AI tracks the EHR system at Natalie Buntzen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Natalie Buntzen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
OptumAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Natalie Buntzen practices

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.

Try for freeBook a meeting

Natalie Buntzen is one of 1,141 registered dietitians in California

Dietitian, registered is Natalie Buntzen's primary specialty in the NPI Registry, under taxonomy code 133V00000X. Natalie Buntzen is licensed in California.

Specialties and state licenses

  • Registered dietitian, CaliforniaPrimaryLicense 887861 · taxonomy 133V00000X

Registered dietitians near Natalie Buntzen

Counts of registered dietitians with a Dmand AI profile, by place and practice. Each opens the list.

1,141registered dietitians in California10registered dietitians in Santa Ana

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Natalie Buntzen treated 11 Medicare patients in 2024, average age 76

CMS counts 11 Medicare patients who saw Natalie Buntzen in 2024. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Natalie Buntzen's median patient age at 58, with 72% women.

Medicare patients, 202411
Average age76
Average risk score1.71

Natalie Buntzen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 58

Patient panel by sex, all payers

  • Women72%
  • Men28%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Sources for Natalie Buntzen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Natalie Buntzen

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Natalie Buntzen's NPI number?

Natalie Buntzen's NPI number is 1477802486. It was assigned on September 5, 2012, and it is active in the NPI Registry.

What does Natalie Buntzen specialize in?

Natalie Buntzen is a registered dietitian in Santa Ana, California. The primary specialty in the NPI Registry is Registered Dietitian (taxonomy code 133V00000X).

Where does Natalie Buntzen practice?

Natalie Buntzen practices at 824 E Carson St Suite 104 Suite 104, Carson, CA 90745-2262. Natalie Buntzen also practices at 2212 E 4th St, Santa Ana, CA 92705. Natalie Buntzen's primary practice is Optum in Carson, California.

What is Natalie Buntzen's office phone number?

The practice phone on file for Natalie Buntzen is (310) 830-9706.

What is Natalie Buntzen's medical license number?

Natalie Buntzen holds California license 887861.

What medical group is Natalie Buntzen part of?

Natalie Buntzen is linked to Optum - Downtown Los Angeles.

How many Medicare patients does Natalie Buntzen see?

CMS counts 11 Medicare patients who saw Natalie Buntzen in 2024, with an average age of 76.

How long has Natalie Buntzen been practicing?

Natalie Buntzen graduated from medical school in 2005, 21 years ago.

Selling to dietitian, registered practices?

See registered dietitians in California by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

Start free trialBook a demo
  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)
Read the Cookie Policy