NPPES file of Aug 9, 2026

Jessica Tang, R.D.

Renal Nutrition Registered Dietitian · Hayward, CA

Jessica Tang, R.D. is a renal nutrition registered dietitian with a practice address in Hayward, California, and NPI 1225175425, issued on Jan 30, 2007. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225175425
Name
Jessica Tang
Credential
R.D.
Primary taxonomy
Renal Nutrition Registered Dietitian 133VN1005X
Practice location
27303 Sleepy Hollow Avenue, Hayward, CA 94545
Phone
(510) 784-2079
Enumerated
Jan 30, 2007
Record last updated
Jul 19, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(510) 784-2767
Medicare enrollment
Enrolled (PECOS I20241029002176); may accept Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest renal nutrition registered dietitian records → All 90 in California → Look up another NPI →

Also registered at 27303 Sleepy Hollow Avenue

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Merula Franzgrote, M.D.Pediatric Adolescent Medicine Physician1164500930
  2. Claudia Heath, PA-CMedical Physician Assistant1275608507
  3. Jenny Hong, RPHPharmacist1700955747
  4. Smita Mohan, M.D.Pediatrics Physician1528036852
  5. Angelica Phelan, M.D.Pediatrics Physician1154409928
  6. Michael Phelan, M.D.Pediatrics Physician1376621136

Verify Jessica Tang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Valley Registered Dietitian NetworkStockton, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jessica Tang among 90 renal nutrition registered dietitian records in California

Jessica Tang, R.D. is one of 90 renal nutrition registered dietitian records with a practice address in California. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 9% of them.

  • NPI issued2007 · 9% of these records are older, 74% newer
  • In a Medicare fileYes · 7% of these records are
  • In the CMS Doctors and Clinicians fileYes · 9% of these records are
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133VN1005X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Renal Nutrition Registered Dietitian providers in California

There are 90 renal nutrition registered dietitian records in California.

All 90 in California → Every provider in Hayward → Renal Nutrition Registered Dietitian nationwide →

The 8 renal nutrition registered dietitian records with the nearest ZIP codes

  1. Kathleen Hunt, DIETICIANHayward, CA 945451922144336
  2. Cecillia Sun, R.D.Fremont, CA 945381609192335
  3. Julie Preis, R.D.Martinez, CA 945531891146544
  4. Lisa Zaccaro, RDMartinez, CA 945531558922336
  5. Judith Gould, R.D.Travis Afb, CA 945351295784627
  6. Lynne Trestrail, RDConcord, CA 945201356576375
  7. Jennifer Clary, RDVallejo, CA 945891588807036
  8. Eri Chung, RDWalnut Creek, CA 945981497376982

Common questions

What is Jessica Tang, R.D.'s NPI number?

Jessica Tang, R.D.'s National Provider Identifier (NPI) is 1225175425, issued on Jan 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jessica Tang, R.D. located?

The NPPES record lists a practice address at 27303 Sleepy Hollow Avenue, Hayward, CA, 94545. Phone: (510) 784-2079. Providers update this record themselves, so call before visiting.

How can I verify Jessica Tang, R.D.'s license?

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.