Natalie Buntzen, M.S., R.D.
Registered Dietitian · Santa Ana, CA
Natalie Buntzen, M.S., R.D. is a registered dietitian with a practice address in Santa Ana, California, and NPI 1477802486, issued on Sep 5, 2012. Check the license (California 887861, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Natalie Buntzen
- Credential
- M.S., R.D.
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 887861 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2212 E 4TH St, Santa Ana, CA 92705
- Phone
- (714) 571-7734
- Enumerated
- Sep 5, 2012
- Record last updated
- Sep 5, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160617001885); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 2212 E 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sinda Althoen, M.D.Pediatrics Physician1619180569
- Lian Bach, D.O.Family Medicine Physician1144490962
- Shelley Canlas, M.D.Pediatrics Physician1700022894
- Cindy Cantt, RDRegistered Dietitian1285345793
- Danielle Curitore, M.D.Pediatrics Physician1831153394
- Crystal Fame, DOFamily Medicine Physician1588246284
Verify Natalie Buntzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 887861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Healthcare Partners Affiliates Medical GroupArcadia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Registered Dietitian providers in California
There are 7,148 registered dietitian records in California.
Other registered dietitian records in California
- Nazanin Abbaspour, PHD, RDN, IFNCPSan Diego, CA1871180695
- Michelle AbbeySan Diego, CA1932692878
- Emily AbbottTorrance, CA1477064871
- Fatima Azzahra Abdelhafeez, RDAnaheim, CA1356003727
- Sulaima Abdin-ArafehPomona, CA1366980765
- Tamara Abdul Hadi, MSLos Angeles, CA1669356754
- Anita Abdul-KarimPasadena, CA1619365970
- Ruqaya AbdulkhaliqLong Beach, CA1447124037
- Ran Abe, R.D.Long Beach, CA1093186173
- Allison Abel, RDN, CNSCLos Angeles, CA1346664414
Common questions
What is Natalie Buntzen, M.S., R.D.'s NPI number?
Natalie Buntzen, M.S., R.D.'s National Provider Identifier (NPI) is 1477802486, issued on Sep 5, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Natalie Buntzen, M.S., R.D. located?
The NPPES record lists a practice address at 2212 E 4TH St, Santa Ana, CA, 92705. Phone: (714) 571-7734. Providers update this record themselves, so call before visiting.
How can I verify Natalie Buntzen, M.S., R.D.'s license?
NPPES lists California license number 887861, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.