Nancy Said Hernandez, DO
Nephrology Physician · Fullerton, CA
Nancy Said Hernandez, DO is a nephrology physician with a practice address in Fullerton, California, and NPI 1831305879, issued on May 15, 2007. Check the license (California 20A9829, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nancy Said Hernandez
- Credential
- DO
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- 20A9829 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 E Valencia Mesa Dr Ste 100, Fullerton, CA 92835
- Phone
- (714) 992-5581
- Enumerated
- May 15, 2007
- Record last updated
- Nov 21, 2023
- Medicaid ID
- ZZZ75439Z CA
- Medicare enrollment
- Enrolled (PECOS I20100621000524); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 100 E Valencia Mesa Dr Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Madison CapulFamily Nurse Practitioner1881515245
Verify Nancy Said Hernandez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A9829Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average nephrology physician in 2024
2,047 Medicare Part D claims for 303 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Calcitriol159 claims
- Allopurinol124 claims
- Sevelamer Carbonate101 claims
- Prosol99 claims
- Furosemide98 claims
- Lokelma96 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $486.09
21 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Kidney Consultants IncGarden Grove, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Said Hernandez among 1,468 nephrology physician records in California
Nancy Said Hernandez, DO is one of 1,468 nephrology physician records with a practice address in California. 88% 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 52% of them.
- NPI issued2007 · 52% of these records are older, 35% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2005 · median 2001 among the 1,128 with a school on file
- Record last updated2023 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Fullerton → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Steve Bui, MDGarden Grove, CA 928431154390425
- An Dang, M.D.Garden Grove, CA 928431952302564
- Hong Kim, M.D.Garden Grove, CA 928431396727764
- Ramani Nathan, MDGarden Grove, CA 928431487623724
- Russell Ness, MDGarden Grove, CA 928431770552978
- Mital Patel, MDGarden Grove, CA 928431609223361
- Samir Patel, MDGarden Grove, CA 928431427519552
- Sridhar Reddy, M.D.Garden Grove, CA 928431780835447
Common questions
What is Nancy Said Hernandez, DO's NPI number?
Nancy Said Hernandez, DO's National Provider Identifier (NPI) is 1831305879, issued on May 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Said Hernandez, DO located?
The NPPES record lists a practice address at 100 E Valencia Mesa Dr Ste 100, Fullerton, CA, 92835. Phone: (714) 992-5581. Providers update this record themselves, so call before visiting.
How can I verify Nancy Said Hernandez, DO's license?
NPPES lists California license number 20A9829, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nancy Said Hernandez, DO prescribe under Medicare Part D?
In 2024, Nancy Said Hernandez, DO had 2,047 Medicare Part D claims for 303 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions 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.