SILAS NWAISHIENYI M.D
NPI 1336269802
Family Medicine - Adult Medicine in Westbury, NY

Active since March 30, 2007PECOS EnrolledAccepts Medicare Assignment
99.95/100
CMS Quality Rating
167 EVERGREEN DR, WESTBURY, NY 11590(516) 610-8704 Get Directions Write a Review

NPPES record last updated: June 22, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Silas Nwaishienyi M.d NPPES

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

SILAS NWAISHIENYI M.D (NPI 1336269802) is an individual adult medicine provider in Westbury, New York, licensed in New York (243375) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS, is affiliated with Jamaica Hospital Medical Center, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1336269802
Entity TypeIndividualMale
Primary Taxonomy207QA0505X
Provider Legal NameSILAS NWAISHIENYICredential: M.D
Location Address167 EVERGREEN DRWestbury, NY 11590-1208
Mailing Address167 Evergreen DrWestbury, NY 11590-1208 · (516) 610-8704
Sole ProprietorYes
Medical School CMSOtherGraduated 1995
Enumeration DateMarch 30, 2007
Last NPPES UpdateJune 22, 2013
✔ NPI 1336269802 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily Medicine · Adult MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207QA0505X
License✔ Licensed in NY · 243375
Definition
The National Uniform Claim Committee (NUCC) recommends code 207QA0505X not be used. Choose a more appropriate code.
Also ListedEmergency Medicine · Emergency Medical ServicesTaxonomy 207PE0004X · License 243375 (NY)
167 EVERGREEN DR, Westbury, NY 11590

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

Silas Nwaishienyi 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.

PECOS PAC ID9032219779
PECOS Enrollment IDI20070711000323
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 Reassignments

2

Medicare enrollment records show Silas Nwaishienyi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Family Medicine
15915 HILLSIDE AVE
Jamaica, NY 11432
  • Reassigned Medicare billing, New York enrollment
Emergency Medical Services
8900 VAN WYCK EXPWY
Jamaica, NY 11418
  • Reassigned Medicare billing, New York enrollment
  • 738 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.

Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
35 services35 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
32 services32 patients

Hospital Affiliations CMS Care Compare

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

Jamaica Hospital Medical Center

Acute Care Hospitals · Jamaica, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330014
Location89th Avenue And Van Wyck ExpresswayJamaica, NY 11418 · Queens County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11590 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
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.

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.

99.95/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.18
Promoting Interoperability79
Improvement Activities40
Cost92.82

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 Silas Nwaishienyi's NPI number?

The NPI number for Silas Nwaishienyi is 1336269802. It was assigned to this individual provider in the NPPES registry on March 30, 2007.

Where is Silas Nwaishienyi located?

Silas Nwaishienyi practices at 167 Evergreen Dr, Westbury, NY 11590. The listed phone number is (516) 610-8704.

What is Silas Nwaishienyi's specialty?

The primary specialty registered for this NPI is Family Medicine, specializing in Adult Medicine, with taxonomy code 207QA0505X.

Is Silas Nwaishienyi enrolled in Medicare?

Yes. Silas Nwaishienyi 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 Silas Nwaishienyi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Silas Nwaishienyi reassigns Medicare benefits to 2 organizations: Pancare Medical PC (Jamaica, NY) and Jamaica Hospital (Jamaica, NY). 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 Silas Nwaishienyi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Silas Nwaishienyi affiliated with any hospitals?

According to CMS data, Silas Nwaishienyi is affiliated with Jamaica Hospital Medical Center.

When was this NPI record last updated?

The NPPES record for Silas Nwaishienyi was last updated on June 22, 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.