NPPES file of Aug 9, 2026

Russell L. Ness, MD

Nephrology Physician · Garden Grove, CA

Russell L. Ness, MD is a nephrology physician with a practice address in Garden Grove, California, and NPI 1770552978, issued on Mar 17, 2006. Check the license (California G27268, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1770552978
Name
Russell L. Ness
Credential
MD
Primary taxonomy
Nephrology Physician 207RN0300X
License number
G27268 CA
Self-reported in NPPES; status is on the state search
Practice location
12665 Garden Grove Blvd Ste 211, Garden Grove, CA 92843
Phone
(714) 636-2890
Enumerated
Mar 17, 2006
Record last updated
Nov 3, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(714) 636-2909
Medicaid ID
ZZZ75439Z CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 12665 Garden Grove Blvd Ste 211

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

  1. Steve Bui, MDNephrology Physician1154390425
  2. Ashish Kalthia, MDSpecialist1508880659
  3. Ramani Nathan, MDNephrology Physician1487623724
  4. Samir Patel, MDNephrology Physician1427519552
  5. Sridhar Reddy, M.D.Nephrology Physician1780835447
  6. Peter Sohn, M.D.Nephrology Physician1225579675

Verify Russell L. Ness in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G27268
    Check 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
Open 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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Industry payments in 2024: $73.63

4 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. 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.

  1. Russell Ness$73.63
  2. Specialty average$3,091.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Russell L. Ness among 1,468 nephrology physician records in California

Russell L. Ness, MD 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 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 48% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileNo · 77% of these records are
  • Record last updated2010 · 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.

The 8 nephrology physician records with the nearest ZIP codes

  1. Steve Bui, MDGarden Grove, CA 928431154390425
  2. An Dang, M.D.Garden Grove, CA 928431952302564
  3. Hong Kim, M.D.Garden Grove, CA 928431396727764
  4. Ramani Nathan, MDGarden Grove, CA 928431487623724
  5. Mital Patel, MDGarden Grove, CA 928431609223361
  6. Samir Patel, MDGarden Grove, CA 928431427519552
  7. Sridhar Reddy, M.D.Garden Grove, CA 928431780835447
  8. Peter Sohn, M.D.Garden Grove, CA 928431225579675

Common questions

What is Russell L. Ness, MD's NPI number?

Russell L. Ness, MD's National Provider Identifier (NPI) is 1770552978, issued on Mar 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Russell L. Ness, MD located?

The NPPES record lists a practice address at 12665 Garden Grove Blvd Ste 211, Garden Grove, CA, 92843. Phone: (714) 636-2890. Providers update this record themselves, so call before visiting.

How can I verify Russell L. Ness, MD's license?

NPPES lists California license number G27268, 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.

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.