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ROBERT MICHAEL GREENBERG M.D.
NPI 1376628032
Emergency Medicine in San Leandro, CA

Active since October 25, 2006PECOS Enrolled
2500 MERCED ST, SAN LEANDRO, CA 94577(510) 454-1000 Get Directions Write a Review

NPPES record last updated: December 8, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Robert Michael Greenberg M.d. NPPES

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

ROBERT MICHAEL GREENBERG M.D. (NPI 1376628032) is an individual emergency medicine provider in San Leandro, California, licensed in California (A79081) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1376628032
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameROBERT MICHAEL GREENBERGCredential: M.D.
Location Address2500 MERCED STSan Leandro, CA 94577-4201
Mailing Address2500 Merced StSan Leandro, CA 94577-4201 · (510) 454-1000
Phone(510) 454-1000
Sole ProprietorNo
Enumeration DateOctober 25, 2006
Last NPPES UpdateDecember 8, 2021
✔ NPI 1376628032 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 · A79081
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.
2500 MERCED ST, San Leandro, CA 94577
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Other Identifiers 1

Medicaid00A790810CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Robert Michael Greenberg M.d. 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94577 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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. SHIENA SHARMA MD
Anesthesiology
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000
ANTHONY MICHAEL BATTAGLIA RN
Registered Nurse
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000
DR. ELIZABETH MACERA N.P.
Nurse Practitioner
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000
MS. TSUI TAM PHARM. D.
Pharmacist
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-2747
JEFFREY LI M.D.
Radiology (Diagnostic Radiology)
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 737-3032
CHIN-HSIANG FENG
Emergency Medicine
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 518-5598
MS. JESSICA RAE MARTINEZ CNM
Advanced Practice Midwife
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (925) 548-4751
DR. GRACE MINDY LEE M.D.
Emergency Medicine
2500 MERCED ST
SAN LEANDRO, CA 94577
Alameda County (510) 454-1000

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 Greenberg's NPI number?

The NPI number for Robert Greenberg is 1376628032. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Robert Greenberg located?

Robert Greenberg practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 454-1000.

What is Robert Greenberg's specialty?

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

Is Robert Greenberg enrolled in Medicare?

Yes. Robert Greenberg is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Robert Greenberg was last updated on December 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.