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DAVID FERRAZARES
NPI 1669576294
Pediatrics in Oakland, CA

Active since September 12, 2006PECOS Enrolled
3451 E 12TH ST, OAKLAND, CA 94601(510) 535-3600(510) 535-4247 Get Directions Write a Review

NPPES record last updated: December 27, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About David Ferrazares NPPES

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

DAVID FERRAZARES (NPI 1669576294) is an individual pediatrics provider in Oakland, California, licensed in California (A60620) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669576294
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDAVID FERRAZARES
Location Address3451 E 12TH STOakland, CA 94601-3463
Mailing Address1601 Fruitvale AveOakland, CA 94601-2418 · (510) 535-4000 · Fax (510) 535-4128
Phone(510) 535-3600
Fax(510) 535-4247
Sole ProprietorNo
Enumeration DateSeptember 12, 2006
Last NPPES UpdateDecember 27, 2021
✔ NPI 1669576294 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A60620
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
3451 E 12TH ST, Oakland, CA 94601
Open in Google Maps ↗

Other Identifiers 4

Other55-1975CA · Fqhc Medicare Part A
OtherZZZ29799ZCA · Fqhc Medicare Part B
MedicaidFHC71021FCA
OtherHAP71021FCA · Fpact

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

David Ferrazares 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 David Ferrazares reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
12 mi
Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1841373800 (415) 833-2200

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 94601 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. KEN MAKIO MARRINER M.D.
Family Medicine
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (510) 535-3500
MS. MARSHA L GUBSER LCSW
Social Worker (Clinical)
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (925) 363-2005
REBECCA RUSH RN
Registered Nurse (Community Health)
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (510) 535-3735
DR. SARAH MOHR BARANES MD
Family Medicine
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (510) 535-3500
MONICA SAN BASILIO FNP
Nurse Practitioner
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (510) 535-3500
SIVAN SADEH FNP-C
Nurse Practitioner (Family)
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (510) 535-3500
ANNA GABRIELA YCAZA RN,FNP-C
Nurse Practitioner (Family)
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (510) 535-2940
LAYLA WELBORN FNP
Nurse Practitioner (Family)
3451 E 12TH ST
OAKLAND, CA 94601
Alameda County (510) 535-3500

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 David Ferrazares's NPI number?

The NPI number for David Ferrazares is 1669576294. It was assigned to this individual provider in the NPPES registry on September 12, 2006.

Where is David Ferrazares located?

David Ferrazares practices at 3451 E 12th St, Oakland, CA 94601. The listed phone number is (510) 535-3600.

What is David Ferrazares's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is David Ferrazares enrolled in Medicare?

Yes. David Ferrazares is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David Ferrazares's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David Ferrazares reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, 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 David Ferrazares'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 David Ferrazares was last updated on December 27, 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.