Nicholas A. Shields
Registered Dietitian · San Diego, CA
Nicholas A. Shields is a registered dietitian with a practice address in San Diego, California, and NPI 1689225880, issued on Sep 28, 2019. Check the license (California 86091088, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Nicholas A. Shields
- Primary taxonomy
- Registered Dietitian 133V00000X
- License number
- 86091088 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4335 Utah St, San Diego, CA 92104
- Phone
- (831) 726-6612
- Enumerated
- Sep 28, 2019
- Record last updated
- Sep 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest registered dietitian records → All 7,148 in California → Look up another NPI →
Verify Nicholas A. Shields in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 86091088Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Nicholas A. Shields among 7,148 registered dietitian records in California
Nicholas A. Shields is one of 7,148 registered dietitian records with a practice address in California. 5% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 50% of them.
- NPI issued2019 · 50% of these records are older, 45% newer
- In a Medicare fileNo · 5% of these records are
- In the CMS Doctors and Clinicians fileNo · 7% of these records are
- Record last updated2019 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Registered Dietitian providers in California
There are 7,148 registered dietitian records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 7,148 in California → Every provider in San Diego → Registered Dietitian nationwide →
The 8 registered dietitian records with the nearest ZIP codes
- Tiffany Cooper, MS, RDSan Diego, CA 921041538841853
- Elisha Daigneault, RDSan Diego, CA 921041992100457
- Joanna Foley, RDSan Diego, CA 921041437622404
- Nadine Gregory, RDSan Diego, CA 921041982440590
- Sadiya HasanSan Diego, CA 921041003784091
- Amanda HibshmanSan Diego, CA 921041891057063
- Sophie Loberg, RDSan Diego, CA 921041558076737
- Stephanie Lu, RDNSan Diego, CA 921041134994460
Common questions
What is Nicholas A. Shields's NPI number?
Nicholas A. Shields's National Provider Identifier (NPI) is 1689225880, issued on Sep 28, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas A. Shields located?
The NPPES record lists a practice address at 4335 Utah St, San Diego, CA, 92104. Phone: (831) 726-6612. Providers update this record themselves, so call before visiting.
How can I verify Nicholas A. Shields's license?
NPPES lists California license number 86091088, 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. 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.