OSCAR JAVIER DE LA ROSA
NPI 1326701749
Nurse Practitioner - Family in Worcester, MA

Active since October 21, 2021PECOS EnrolledAccepts Medicare Assignment
19 TACOMA ST, WORCESTER, MA 01605(508) 532-7331 Get Directions Write a Review

NPPES record last updated: June 27, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 27, 2024, Oct 21, 2021 (2 updates tracked since 2021).

About Oscar Javier De La Rosa NPPES

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

OSCAR JAVIER DE LA ROSA (NPI 1326701749) is an individual family provider in Worcester, Massachusetts, licensed in Massachusetts (RN2357635) and active in the NPI registry since October 2021. He is enrolled in Medicare PECOS, is affiliated with Umass Memorial Medical Center/university Campus, and is a graduate of University Of Massachusetts Medical School (2024).

NPPES Registry Identity

NPI1326701749
Entity TypeIndividualMale
Primary Taxonomy363LF0000X
Provider Legal NameOSCAR JAVIER DE LA ROSA
Location Address19 TACOMA STWorcester, MA 01605-3516
Mailing Address6 Maple StWhitinsville, MA 01588-2217 · (774) 482-0472
Sole ProprietorNo
Medical School CMSUniversity Of Massachusetts Medical SchoolGraduated 2024
Enumeration DateOctober 21, 2021
Last NPPES UpdateJune 27, 20242 updates tracked since enumeration
NPPES CertifiedMay 3, 2024
✔ NPI 1326701749 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MA · RN2357635
Also ListedRegistered NurseTaxonomy 163W00000X · License RN2357635 (MA)
19 TACOMA ST, Worcester, MA 01605

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Oscar Javier De La Rosa is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7416494224
PECOS Enrollment IDI20240730000071
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 Oscar De La Rosa reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
19 TACOMA ST
Worcester, MA 01605
  • Reassigned Medicare billing, Massachusetts enrollment
  • 147 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Umass Memorial Medical Center/University Campus

Acute Care Hospitals · Worcester, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220163
Location55 Lake Avenue NorthWorcester, MA 01655 · Worcester County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01605 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
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$103.48 typical visit price
range $19.11 – $144.84
Typical copayment $25.87 (range $4.77 – $36.21)
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.

Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605
Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605
Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605
Pharmacy (Clinic Pharmacy)
19 TACOMA ST
WORCESTER, MA 01605
Licensed Practical Nurse
19 TACOMA ST
WORCESTER, MA 01605
Pharmacist
19 TACOMA ST
WORCESTER, MA 01605
Physician Assistant
19 TACOMA ST
WORCESTER, MA 01605
Registered Nurse
19 TACOMA ST
WORCESTER, MA 01605

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 Oscar De La Rosa's NPI number?

The NPI number for Oscar De La Rosa is 1326701749. It was assigned to this individual provider in the NPPES registry on October 21, 2021.

Where is Oscar De La Rosa located?

Oscar De La Rosa practices at 19 Tacoma St, Worcester, MA 01605. The listed phone number is (508) 532-7331.

What is Oscar De La Rosa's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Oscar De La Rosa enrolled in Medicare?

Yes. Oscar De La Rosa is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Oscar De La Rosa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Oscar De La Rosa reassigns Medicare benefits to Edward M. Kennedy Community Health Center, Inc (Worcester, MA). 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 Oscar De La Rosa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Oscar De La Rosa affiliated with any hospitals?

According to CMS data, Oscar De La Rosa is affiliated with Umass Memorial Medical Center/University Campus.

When was this NPI record last updated?

The NPPES record for Oscar De La Rosa was last updated on June 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.