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BRIAN KOFFMAN MD
NPI 1326049164
Family Medicine in Diamond Bar, CA

Active since August 02, 2005PECOS Enrolled
1514 VALLEY VISTA DR, DIAMOND BAR, CA 91765(909) 860-1144(909) 860-8307 Get Directions Write a Review

NPPES record last updated: September 19, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Brian Koffman Md NPPES

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

BRIAN KOFFMAN MD (NPI 1326049164) is an individual family medicine provider in Diamond Bar, California, licensed in California (G36410) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1326049164
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameBRIAN KOFFMANCredential: MD
Location Address1514 VALLEY VISTA DRDiamond Bar, CA 91765-3929
Mailing Address1514 Valley Vista DrDiamond Bar, CA 91765-3929
Phone(909) 860-1144
Fax(909) 860-8307
Sole ProprietorNo
Enumeration DateAugust 2, 2005
Last NPPES UpdateSeptember 19, 2018
✔ NPI 1326049164 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G36410
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1514 VALLEY VISTA DR, Diamond Bar, CA 91765
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Brian Koffman Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Brian Koffman reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Medical Foundation
Same address
General Practice
1514 VALLEY VISTA DR
Diamond Bar, CA 91765
  • Reassigned Medicare billing, California enrollment
  • 1,699 clinicians in this Medicare group
NPI 1285890624 (909) 860-1144

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 91765 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 17

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

AARON LIN D.O.
Family Medicine
1514 VALLEY VISTA DR, ST JUDE HERITAGE MEDICAL GROUP
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
KELI LAYTON-CUNNIGAN PA
Physician Assistant
1514 VALLEY VISTA DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
SAROM PYUN M.D.
Family Medicine
1514 VALLEY VISTA DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
WILFREDO ALEJO M.D.
Pediatrics
1514 VALLEY VISTA DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
DOUGLAS STARR MD
Family Medicine
1514 VALLEY VISTA DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
WILLIAM FENERTY
Family Medicine
1514 VALLEY VISTA DR
DIAMOND BAR, CA 91765
Los Angeles County (714) 449-4842
DENETTE MUNCHEL PA
Physician Assistant
1514 VALLEY VISTA DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144
PROVIDENCE MEDICAL FOUNDATION
General Practice
1514 VALLEY VISTA DR
DIAMOND BAR, CA 91765
Los Angeles County (909) 860-1144

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 Brian Koffman's NPI number?

The NPI number for Brian Koffman is 1326049164. It was assigned to this individual provider in the NPPES registry on August 2, 2005.

Where is Brian Koffman located?

Brian Koffman practices at 1514 Valley Vista Dr, Diamond Bar, CA 91765. The listed phone number is (909) 860-1144.

What is Brian Koffman's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Brian Koffman enrolled in Medicare?

Yes. Brian Koffman is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Brian Koffman's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Koffman reassigns Medicare benefits to Providence Medical Foundation (Diamond Bar, CA). The 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 Brian Koffman'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 Brian Koffman was last updated on September 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.