Robert Joseph Allen, M.D.
Emergency Medicine Physician · Montclair, CA
Robert Joseph Allen, M.D. is an emergency medicine physician with a practice address in Montclair, California, and NPI 1841202330, issued on Aug 12, 2006. Check the license (California A51378, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Robert Joseph Allen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A51378 CA
Self-reported in NPPES; status is on the state search - Practice location
- 8891 Central Ave, Montclair, CA 91763
- Phone
- (909) 625-4848
- Enumerated
- Aug 12, 2006
- Record last updated
- Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20041105000991); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 8891 Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Barrett, PA-CPhysician Assistant1467821363
- Jiansan Ding, ACUPUNCTURIST (A.LC)Acupuncturist1487877205
- Joann Enderica, PAMedical Physician Assistant1992120042
- Kyungsoo Go, PA-CPhysician Assistant1720514466
- Akash Gupta, M.D.Emergency Medicine Physician1417969742
- Gale Laidlaw, FNP-CFamily Nurse Practitioner1396137329
Verify Robert Joseph Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A51378Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average emergency medicine physician in 2024
29 Medicare Part D claims for 23 beneficiaries, against an average of 226 among the 54,106 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.
Bills Medicare through one group practice
- Providence Medical FoundationVictorville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert Joseph Allen among 7,751 emergency medicine physician records in California
Robert Joseph Allen, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1991 · median 2011 among the 4,560 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Montclair → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Akash Gupta, M.D.Montclair, CA 917631417969742
- Theomal Kurera, M.D.Montclair, CA 917631386718831
- Paul Molinaro, M.D.Montclair, CA 917631881606051
- Tiffany Sin, DOMontclair, CA 917631982196184
- Sharon Dabby, MDOntario, CA 917611609953124
- Stephen BolenPomona, CA 917661215326376
- Donald Barceloux, M.D.Pomona, CA 917671295746386
- Wesley Curry, M.DPomona, CA 917671194774935
Common questions
What is Robert Joseph Allen, M.D.'s NPI number?
Robert Joseph Allen, M.D.'s National Provider Identifier (NPI) is 1841202330, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert Joseph Allen, M.D. located?
The NPPES record lists a practice address at 8891 Central Ave, Montclair, CA, 91763. Phone: (909) 625-4848. Providers update this record themselves, so call before visiting.
How can I verify Robert Joseph Allen, M.D.'s license?
NPPES lists California license number A51378, 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 Joseph Allen, M.D. prescribe under Medicare Part D?
In 2024, Robert Joseph Allen, M.D. had 29 Medicare Part D claims for 23 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.