SANFORD E. WARREN MD
NPI 1104900190
Internal Medicine - Cardiovascular Disease in Honolulu, HI

Active since October 25, 2006PECOS Enrolled
459 PATTERSON RD, HONOLULU, HI 96819(808) 433-0600(808) 433-0391 Get Directions Write a Review

NPPES record last updated: January 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Sanford E. Warren Md NPPES

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

SANFORD E. WARREN MD (NPI 1104900190) is an individual cardiovascular disease provider in Honolulu, Hawaii, licensed in Massachusetts (52290) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104900190
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameSANFORD E. WARRENCredential: MD
Location Address459 PATTERSON RDHonolulu, HI 96819-1522
Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3429 · (510) 625-6262
Fax(808) 433-0391
Sole ProprietorNo
Enumeration DateOctober 25, 2006
Last NPPES UpdateJanuary 7, 2026
NPPES CertifiedJanuary 7, 2026
NPI 1104900190 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses Licensed in MA · 52290 Licensed in CA · G36873
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
459 PATTERSON RD, Honolulu, HI 96819

Other Identifiers 1

Medicaid00G368730CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Sanford E. Warren 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 96819 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
$136.68 typical visit price
range $60.53 – $180.05
Typical copayment $34.17 (range $15.13 – $45.01)
Most-billed visit code 99204
Established Patient
$74.92 typical visit price
range $20.09 – $147.56
Typical copayment $18.73 (range $5.02 – $36.89)
Most-billed visit code 99213
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.

Pharmacist
459 PATTERSON RD
HONOLULU, HI 96819
Psychologist (Clinical)
459 PATTERSON RD
HONOLULU, HI 96819
Registered Nurse
459 PATTERSON RD
HONOLULU, HI 96819
Registered Nurse
459 PATTERSON RD
HONOLULU, HI 96819
Registered Nurse
459 PATTERSON RD
HONOLULU, HI 96819
Registered Nurse (Administrator)
459 PATTERSON RD
HONOLULU, HI 96819
Registered Nurse
459 PATTERSON RD
HONOLULU, HI 96819
Nurse Practitioner (Gerontology)
459 PATTERSON RD
HONOLULU, HI 96819

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 Sanford Warren's NPI number?

The NPI number for Sanford Warren is 1104900190. It was assigned to this individual provider in the NPPES registry on October 25, 2006.

Where is Sanford Warren located?

Sanford Warren practices at 459 Patterson Rd, Honolulu, HI 96819. The listed phone number is (808) 433-0600.

What is Sanford Warren's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Sanford Warren enrolled in Medicare?

Yes. Sanford Warren is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Sanford Warren was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.