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DR. ROBERT J MARSAN JR. M.D.
NPI 1780766279
Emergency Medicine in San Diego, CA

Active since October 20, 2006PECOS EnrolledAccepts Medicare Assignment
2001 4TH AVE, SAN DIEGO, CA 92101(619) 499-2777 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Robert J Marsan Jr. M.d. NPPES

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

DR. ROBERT J MARSAN JR. M.D. (NPI 1780766279) is an individual emergency medicine provider in San Diego, California, licensed in California (A92679) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Copley Hospital, and is a graduate of Perelman School Of Med At The University Of Pennsylvania (2004).

NPPES Registry Identity

NPI1780766279
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ROBERT J MARSAN JR.Credential: M.D.
Location Address2001 4TH AVESan Diego, CA 92101-2303
Mailing Address4650 Chickasaw CtSan Diego, CA 92117-2838 · (619) 723-2262
Phone(619) 499-2777
Sole ProprietorNo
Medical School CMSPerelman School Of Med At The University Of PennsylvaniaGraduated 2004
Enumeration DateOctober 20, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1780766279 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 · A92679
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.
2001 4TH AVE, San Diego, CA 92101
Open in Google Maps ↗

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

Dr. Robert J Marsan Jr. 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 ID3577669357
PECOS Enrollment IDI20200326003439
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 Marsan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pacific Emergency Providers, A Prof. Corp.
1.7 mi
Emergency Medicine
4077 FIFTH AVE
San Diego, CA 92103
  • Reassigned Medicare billing, California enrollment
  • 75 clinicians in this Medicare group
NPI 1497790539 (619) 686-3800
Copley Hospital, Inc.
2,510 mi
Critical Access
528 WASHINGTON HIGHWAY
Morrisville, VT 05661
  • Reassigned Medicare billing, Vermont enrollment
  • Also billed through NPI 1295774842 (Vermont)
  • 88 clinicians in this Medicare group
NPI 1568414365 (802) 888-4231

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Copley Hospital

Critical Access Hospitals · Morrisville, VT
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number471305
Location528 Washington HighwayMorrisville, VT 05661 · Lamoille County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92101 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

DR. TIMOTHY STUART HINMAN M.D.
Emergency Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 499-2600
SARAH ELIZABETH MACGUIRE RN
Registered Nurse (Diabetes Educator)
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (619) 890-7558
ANASTASIA SOPHIA BROWN MPT
Physical Therapist
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (619) 466-1730
CLAY R. BOWLAND M.D.
Radiology (Diagnostic Radiology)
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (619) 446-1586
JANELLE DONAHUE PEGG M.D.
Family Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 499-2600
JULIE G MARMON M.D.
Emergency Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 499-2777
BRIJ GUPTA M.D.
Internal Medicine
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (858) 720-0493
GEORGE SAKOULAS MD
Internal Medicine (Infectious Disease)
2001 4TH AVE
SAN DIEGO, CA 92101
San Diego County (619) 446-1727

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 Marsan's NPI number?

The NPI number for Robert Marsan is 1780766279. It was assigned to this individual provider in the NPPES registry on October 20, 2006.

Where is Robert Marsan located?

Robert Marsan practices at 2001 4th Ave, San Diego, CA 92101. The listed phone number is (619) 499-2777.

What is Robert Marsan's specialty?

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

Is Robert Marsan enrolled in Medicare?

Yes. Robert Marsan 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 Marsan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Marsan reassigns Medicare benefits to 2 organizations: Pacific Emergency Providers, A Prof. Corp. (San Diego, CA) and Copley Hospital, Inc. (Morrisville, VT). 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 Marsan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Robert Marsan affiliated with any hospitals?

According to CMS data, Robert Marsan is affiliated with Copley Hospital.

When was this NPI record last updated?

The NPPES record for Robert Marsan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.