ROBERT JOSEPH ALLEN M.D.
NPI 1841202330
Emergency Medicine in Montclair, CA

Active since August 12, 2006PECOS EnrolledAccepts Medicare Assignment
8891 CENTRAL AVE, MONTCLAIR, CA 91763(909) 625-4848 Get Directions Write a Review

NPPES record last updated: October 19, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 19, 2020, Jul 3, 2017 (2 updates tracked since 2017).

About Robert Joseph Allen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ROBERT JOSEPH ALLEN M.D. (NPI 1841202330) is an individual emergency medicine provider in Montclair, California, licensed in California (A51378) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Texas Tech University Health Science Center School Of Medicine (1991).

NPPES Registry Identity

NPI1841202330
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameROBERT JOSEPH ALLENCredential: M.D.
Location Address8891 CENTRAL AVEMontclair, CA 91763-1618
Mailing Address2100 Powell St, Suite 900Emeryville, CA 94608-1826 · (510) 350-2600
Sole ProprietorNo
Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 1991
Enumeration DateAugust 12, 2006
Last NPPES UpdateOctober 19, 20202 updates tracked since enumeration
NPPES CertifiedOctober 19, 2020
✔ NPI 1841202330 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A51378
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
8891 CENTRAL AVE, Montclair, CA 91763

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Robert Joseph Allen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446213904
PECOS Enrollment IDI20041105000991
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Robert Allen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
1514 VALLEY VISTA DR
Diamond Bar, CA 91765
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
General Practice
350 TERRACINA BLVD
Redlands, CA 92373
  • Reassigned Medicare billing, California enrollment
  • 55 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91763 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Urgent Care)
8891 CENTRAL AVE
MONTCLAIR, CA 91763
Physician Assistant
8891 CENTRAL AVE, SUITE A
MONTCLAIR, CA 91763
Physician Assistant
8891 CENTRAL AVE
MONTCLAIR, CA 91763
Clinic/Center (Magnetic Resonance Imaging (MRI))
8891 CENTRAL AVE, SUITE C
MONTCLAIR, CA 91763
Clinic/Center (Urgent Care)
8891 CENTRAL AVE, SUITE A
MONTCLAIR, CA 91763
Nurse Practitioner (Family)
8891 CENTRAL AVE
MONTCLAIR, CA 91763
Emergency Medicine
8891 CENTRAL AVE
MONTCLAIR, CA 91763
Physician Assistant
8891 CENTRAL AVE, SUITE A
MONTCLAIR, CA 91763

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Allen's NPI number?

The NPI number for Robert Allen is 1841202330. It was assigned to this individual provider in the NPPES registry on August 12, 2006.

Where is Robert Allen located?

Robert Allen practices at 8891 Central Ave, Montclair, CA 91763. The listed phone number is (909) 625-4848.

What is Robert Allen's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Robert Allen enrolled in Medicare?

Yes. Robert Allen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Robert Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Allen reassigns Medicare benefits to 2 organizations: Providence Medical Foundation (Diamond Bar, CA) and Cep America - Auc PC (Redlands, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Allen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Robert Allen was last updated on October 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.