MERRILL A CHANDLER MD
NPI 1508847237
Emergency Medicine in Castro Valley, CA

Active since November 09, 2005PECOS Enrolled
20103 LAKE CHABOT RD, CASTRO VALLEY, CA 94546(209) 342-2300(209) 524-4240 Get Directions Write a Review

NPPES record last updated: July 17, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Merrill A Chandler Md NPPES

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

MERRILL A CHANDLER MD (NPI 1508847237) is an individual emergency medicine provider in Castro Valley, California, licensed in California (G50134) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508847237
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameMERRILL A CHANDLERCredential: MD
Location Address20103 LAKE CHABOT RDCastro Valley, CA 94546-5341
Mailing Address4301 Northstar WayModesto, CA 95356-9262 · (209) 342-2300 · Fax (209) 524-4240
Fax(209) 524-4240
Sole ProprietorYes
Enumeration DateNovember 9, 2005
Last NPPES UpdateJuly 17, 2007
NPI 1508847237 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 · G50134
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.
20103 LAKE CHABOT RD, Castro Valley, CA 94546

Other Identifiers 4

Medicare ID-Type Unspecified00G501340CA
Other00G501340CA · Blue Shield
Medicaid00G501340CA
Medicare UPINE74523

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Merrill A Chandler 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94546 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.

Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Registered Nurse
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Hospitalist
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Pharmacist (Ambulatory Care)
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Emergency Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Internal Medicine
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546
Physician Assistant
20103 LAKE CHABOT RD
CASTRO VALLEY, CA 94546

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 Merrill Chandler's NPI number?

The NPI number for Merrill Chandler is 1508847237. It was assigned to this individual provider in the NPPES registry on November 9, 2005.

Where is Merrill Chandler located?

Merrill Chandler practices at 20103 Lake Chabot Rd, Castro Valley, CA 94546. The listed phone number is (209) 342-2300.

What is Merrill Chandler's specialty?

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

Is Merrill Chandler enrolled in Medicare?

Yes. Merrill Chandler is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Merrill Chandler was last updated on July 17, 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.