Robert Chester Jones, MD
Sleep Medicine (Internal Medicine) Physician · Pomona, CA
Robert Chester Jones, MD is a sleep medicine (internal medicine) physician with a practice address in Pomona, California, and NPI 1275501629, issued on Mar 10, 2006. Check the license (California G42790, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Chester Jones
- Credential
- MD
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- G42790 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1866 N Orange Grove Ave, Pomona, CA 91767
- Phone
- (909) 865-0676
- Enumerated
- Mar 10, 2006
- Record last updated
- Sep 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (909) 865-8483
- Medicaid ID
- 00G427900 CA
- Entity
- Type 1 · individual
8 nearest sleep medicine (internal medicine) physician records → All 129 in California → Look up another NPI →
Also registered at 1866 N Orange Grove Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert Chester Jones in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G42790Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
53 Medicare Part D claims for 12 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D.
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.
Robert Chester Jones among 129 sleep medicine (internal medicine) physician records in California
Robert Chester Jones, MD is one of 129 sleep medicine (internal medicine) physician records with a practice address in California. 95% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 71% newer
- In a Medicare fileYes · 95% of these records are
- In the CMS Doctors and Clinicians fileNo · 82% of these records are
- Record last updated2018 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RS0012X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Sleep Medicine (Internal Medicine) Physician providers in California
There are 129 sleep medicine (internal medicine) physician records in California.
All 129 in California → Every provider in Pomona → Sleep Medicine (Internal Medicine) Physician nationwide →
The 8 sleep medicine (internal medicine) physician records with the nearest ZIP codes
- Fahima NadiEl Cajon, CA 920191770072290
- Babak Hakimisefat, D.O.Burbank, CA 915051114189354
- Nancy Hsu, MDLa Jolla, CA 920371265789960
- Keren Fogelfeld, M.D.Encino, CA 914361215185038
- Susie Fong, M.D.Encino, CA 914361447549654
- Lawrence Kline, D.O.San Diego, CA 921031730140278
- Jose Loredo, M.D.San Diego, CA 921031891728531
- Atul Malhotra, MDSan Diego, CA 921031982695169
Common questions
What is Robert Chester Jones, MD's NPI number?
Robert Chester Jones, MD's National Provider Identifier (NPI) is 1275501629, issued on Mar 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Chester Jones, MD located?
The NPPES record lists a practice address at 1866 N Orange Grove Ave, Pomona, CA, 91767. Phone: (909) 865-0676. Providers update this record themselves, so call before visiting.
How can I verify Robert Chester Jones, MD's license?
NPPES lists California license number G42790, 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 Robert Chester Jones, MD prescribe under Medicare Part D?
In 2024, Robert Chester Jones, MD had 53 Medicare Part D claims for 12 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. 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.