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SILVIA COLLAZO DO
NPI 1083771224
Family Medicine - Geriatric Medicine in Los Angeles, CA

Active since January 03, 2007PECOS Enrolled
1700 CESAR CHAVEZ AVE STE 3300, LOS ANGELES, CA 90033(323) 264-4114(323) 264-4662 Get Directions Write a Review

NPPES record last updated: February 14, 2013. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Silvia Collazo Do NPPES

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

SILVIA COLLAZO DO (NPI 1083771224) is an individual geriatric medicine provider in Los Angeles, California, licensed in California (20A7572) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1998).

NPPES Registry Identity

NPI1083771224
Entity TypeIndividualFemale
Primary Taxonomy207QG0300X
Provider Legal NameSILVIA COLLAZOCredential: DO
Location Address1700 CESAR CHAVEZ AVE STE 3300Los Angeles, CA 90033
Mailing Address1021 South Reservoir StPomona, CA 91766 · (909) 623-3066
Phone(323) 264-4114
Fax(323) 264-4662
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJanuary 3, 2007
Last NPPES UpdateFebruary 14, 2013
✔ NPI 1083771224 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QG0300X
License✔ Licensed in CA · 20A7572
Definition
A family medicine physician with special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes, and the hospital.
Also ListedFamily MedicineTaxonomy 207Q00000X · License 20A7572 (CA)
1700 CESAR CHAVEZ AVE STE 3300, Los Angeles, CA 90033
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Other Identifiers 3

Medicare UPINH56626
Medicaid00AX75720CA
Medicare ID-Type Unspecified20A7572CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Silvia Collazo Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7113016379
PECOS Enrollment IDI20071211000418
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 Silvia Collazo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Healthcare Partners Affiliates Medical Group
3.8 mi
Internal Medicine
1120 W WASHINGTON BLVD
Los Angeles, CA 90015
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1659312593 (213) 623-2225

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
23 services20 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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 Silvia Collazo's NPI number?

The NPI number for Silvia Collazo is 1083771224. It was assigned to this individual provider in the NPPES registry on January 3, 2007.

Where is Silvia Collazo located?

Silvia Collazo practices at 1700 Cesar Chavez Ave Ste 3300, Los Angeles, CA 90033. The listed phone number is (323) 264-4114.

What is Silvia Collazo's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Geriatric Medicine, with taxonomy code 207QG0300X.

Is Silvia Collazo enrolled in Medicare?

Yes. Silvia Collazo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Silvia Collazo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Silvia Collazo reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Silvia Collazo'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 Silvia Collazo was last updated on February 14, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.