Robert Allan Moss, M.D.
Hematology & Oncology Physician · Fountain Valley, CA
Robert Allan Moss, M.D. is a hematology & oncology physician with a practice address in Fountain Valley, California, and NPI 1861503609, issued on Aug 31, 2006. Check the license (California G33764, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Allan Moss
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- G33764 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11180 Warner Ave Ste 467, Fountain Valley, CA 92708
- Phone
- (714) 641-1128
- Enumerated
- Aug 31, 2006
- Record last updated
- Jan 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (714) 540-7610
- Medicaid ID
- 00G337640 CA
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 11180 Warner Ave Ste 467
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amal Elali, PA-CPhysician Assistant1023788601
Verify Robert Allan Moss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G33764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $21.23
1 payment: food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 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.
Robert Allan Moss among 1,583 hematology & oncology physician records in California
Robert Allan Moss, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in Fountain Valley → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Sarah Hassan, M.DFountain Valley, CA 927081689935066
- Jack Jacoub, M.D.Fountain Valley, CA 927081528016318
- Eric Lee, M.D., PH.D.Fountain Valley, CA 927081609211838
- Rufina Pamela Mae Miel, MDFountain Valley, CA 927081063470391
- Gurpreet Multani, MDFountain Valley, CA 927081417117979
- Bichlien Nguyen, M.D.Fountain Valley, CA 927081417912239
- Lalita Pandit, M.D.Fountain Valley, CA 927081578521266
- Ina Planas, M.D.Fountain Valley, CA 927081871583575
Common questions
What is Robert Allan Moss, M.D.'s NPI number?
Robert Allan Moss, M.D.'s National Provider Identifier (NPI) is 1861503609, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Allan Moss, M.D. located?
The NPPES record lists a practice address at 11180 Warner Ave Ste 467, Fountain Valley, CA, 92708. Phone: (714) 641-1128. Providers update this record themselves, so call before visiting.
How can I verify Robert Allan Moss, M.D.'s license?
NPPES lists California license number G33764, 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.