Richard David Landers, MD
Internal Medicine Physician · Porter Ranch, CA
Richard David Landers, MD is an internal medicine physician with a practice address in Porter Ranch, California, and NPI 1679689921, issued on Aug 21, 2006. Check the license (California G53483, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Richard David Landers
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G53483 CA
Self-reported in NPPES; status is on the state search - Practice location
- 19950 Rinaldi St, Porter Ranch, CA 91326
- Phone
- (818) 403-2420
- Enumerated
- Aug 21, 2006
- Record last updated
- Apr 3, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (818) 360-6036
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 19950 Rinaldi St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shahrzad Akbary, D.O.Dermatology Physician1801279948
- David Chien, MD.Pediatrics Physician1346303674
- Jeremy Cholfin, M.D., PH.D.Neurology Physician1376787424
- Sue Chung, MD.Rheumatology Physician1033396767
- Rhonda Dababneh, FNPFamily Nurse Practitioner1700520384
Verify Richard David Landers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G53483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Richard David Landers among 17,696 internal medicine physician records in California
Richard David Landers, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2014 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 internal medicine physician records list a practice address in Porter Ranch
They are 13 of the 275 NPPES records with a practice address in Porter Ranch, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 17,696 in California → Every provider in Porter Ranch → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nona Ahankoob, M.D.Porter Ranch, CA 913261790078228
- Vindeep BhandariPorter Ranch, CA 913261164832069
- Jeff Borenstein, MDPorter Ranch, CA 913261326260522
- Michelle Emi, M.D.Porter Ranch, CA 913261962755298
- Sam Mubara, MDPorter Ranch, CA 913261669066759
- Michael Nelson, MD.Porter Ranch, CA 913261346254968
- Aswin Nukala, M.D.Porter Ranch, CA 913261093155350
- Fredrick Russo, MD.Porter Ranch, CA 913261457370074
Common questions
What is Richard David Landers, MD's NPI number?
Richard David Landers, MD's National Provider Identifier (NPI) is 1679689921, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard David Landers, MD located?
The NPPES record lists a practice address at 19950 Rinaldi St, Porter Ranch, CA, 91326. Phone: (818) 403-2420. Providers update this record themselves, so call before visiting.
How can I verify Richard David Landers, MD's license?
NPPES lists California license number G53483, 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. 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.