OSCAR R QUEZADA M.D.
NPI 1770670945
Obstetrics & Gynecology in Riverhead, NY
About Oscar R Quezada M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
OSCAR R QUEZADA M.D. (NPI 1770670945) is an individual obstetrics & gynecology provider in Riverhead, New York, licensed in New York (273139) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, is affiliated with Peconic Bay Medical Center, and is a graduate of University Of Texas Southwestern Medical School At Dallas (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
Accepted Insurance
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 R Quezada M.d. 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.
Medicare Billing Reassignments
11Medicare enrollment records show Oscar Quezada reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greenlawn, NY 11740
- Reassigned Medicare billing, New York enrollment
- 67 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 1,663 clinicians in this Medicare group
Jamaica, NY 11418
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Tjh Medical Services PC
- 497 clinicians in this Medicare group
Bronx, NY 10452
- Reassigned Medicare billing, New York enrollment
- 683 clinicians in this Medicare group
New York, NY 10037
- Reassigned Medicare billing, New York enrollment
- 2,094 clinicians in this Medicare group
New York, NY 10128
- Reassigned Medicare billing, New York enrollment
- 724 clinicians in this Medicare group
Brooklyn, NY 11215
- Reassigned Medicare billing, New York enrollment
- 1,029 clinicians in this Medicare group
Niskayuna, NY 12309
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Obgyn Hospitalist Medical Services Of New York PC
- 125 clinicians in this Medicare group
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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.
Areas of Expertise CMS Part B claims 2
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Peconic Bay Medical Center
Acute Care Hospitals · Riverhead, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Quezada's NPI number?
The NPI number for Oscar Quezada is 1770670945. It was assigned to this individual provider in the NPPES registry on October 6, 2006.
Where is Oscar Quezada located?
Oscar Quezada practices at 31 Main Rd, Riverhead, NY 11901. The listed phone number is (361) 727-4950.
What is Oscar Quezada's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Oscar Quezada enrolled in Medicare?
Yes. Oscar Quezada 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 organizations bill Medicare for Oscar Quezada's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Oscar Quezada reassigns Medicare benefits to 11 organizations: Huntington Hospital Dolan Family Health Center (Greenlawn, NY), North Shore-Lij Medical PC (Great Neck, NY), Westchester Medical Center Advanced Physician Services PC (Valhalla, NY), Tjh Medical Services, P.C. (Jamaica, NY), Sun River Health Inc (Bronx, NY) and 6 more organizations, listed in the Medicare section above. Each 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 Quezada's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Oscar Quezada accept?
Health plans from Blue Cross and Blue Shield of Texas, Oscar Insurance Company and UnitedHealthcare list Oscar Quezada as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Oscar Quezada affiliated with any hospitals?
According to CMS data, Oscar Quezada is affiliated with Peconic Bay Medical Center.
When was this NPI record last updated?
The NPPES record for Oscar Quezada was last updated on October 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Oscar R Quezada, M.D. · NPI 1770670945
Obstetrics & Gynecology physician in Riverhead, New York. Individual provider, active in the CMS NPPES registry since October 6, 2006.
## Identity
- **NPI:** 1770670945 (Entity type: Individual)
- **Enumerated:** October 6, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 273139 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 31 MAIN RD, Riverhead, NY 11901-1953
- **Phone:** (361) 727-4950
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): Huntington Hospital Dolan Family Health Center (NPI 1578593588, Greenlawn, NY); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY); Westchester Medical Center Advanced Physician Services PC (NPI 1740687458, Valhalla, NY); Tjh Medical Services, P.C. (NPI 1184670465, Jamaica, NY); Sun River Health Inc (NPI 1740763275, Bronx, NY); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 1997
## Record status
- **NPPES last updated:** October 17, 2020
- **Other identifiers:** Medicaid 1459521-04 (TX); Medicaid 03872997 (NY); Other 273139 (NY); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1770670945) · Data from the CMS NPPES public registry.