CAROLINE ALLISON WARD
NPI 1528652385
Registered Nurse in Greenwich, CT

Active since February 23, 2021PECOS EnrolledAccepts Medicare Assignment
5 PERRYRIDGE RD, GREENWICH, CT 06830(203) 863-3390 Get Directions Write a Review

NPPES record last updated: January 24, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 24, 2023, Feb 23, 2021 (2 updates tracked since 2021).

About Caroline Allison Ward NPPES

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

CAROLINE ALLISON WARD (NPI 1528652385) is an individual registered nurse in Greenwich, Connecticut, licensed in Connecticut (150646) and active in the NPI registry since February 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1528652385
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameCAROLINE ALLISON WARD
Location Address5 PERRYRIDGE RDGreenwich, CT 06830-4608
Mailing Address12 Catherine StDarien, CT 06820-3919 · (870) 740-7208
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateFebruary 23, 2021
Last NPPES UpdateJanuary 24, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 24, 2023
✔ NPI 1528652385 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in CT · 150646
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
5 PERRYRIDGE RD, Greenwich, CT 06830

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

Caroline Allison Ward 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 ID6204225550
PECOS Enrollment IDI20211108002726
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 Caroline Ward reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
5 PERRYRIDGE RD
Greenwich, CT 06830
  • Reassigned Medicare billing, Connecticut enrollment
  • 43 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 4

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.

Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
22 services22 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
21 services21 patients
Anesthesia for total hip replacement 01214
Anesthesia for total hip replacement is a medical service where medication is given to eliminate pain during surgery. Two types are commonly used: general anesthesia, making you unconscious, or spinal anesthesia, numbing the lower body. The choice depends on your health and your doctor's recommendation.
16 services16 patients
Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
11 services11 patients

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.

Pediatrics (Neonatal-Perinatal Medicine)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Physical Medicine & Rehabilitation
5 PERRYRIDGE RD
GREENWICH, CT 06830
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD, MEDICAL EDUCATION
GREENWICH, CT 06830
Student in an Organized Health Care Education/Training Program
5 PERRYRIDGE RD
GREENWICH, CT 06830
Physician Assistant
5 PERRYRIDGE RD
GREENWICH, CT 06830
Pharmacist (Pharmacotherapy)
5 PERRYRIDGE RD
GREENWICH, CT 06830
Nurse Anesthetist, Certified Registered
5 PERRYRIDGE RD
GREENWICH, CT 06830
Anesthesiology
5 PERRYRIDGE RD
GREENWICH, CT 06830

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 Caroline Ward's NPI number?

The NPI number for Caroline Ward is 1528652385. It was assigned to this individual provider in the NPPES registry on February 23, 2021.

Where is Caroline Ward located?

Caroline Ward practices at 5 Perryridge Rd, Greenwich, CT 06830. The listed phone number is (203) 863-3390.

What is Caroline Ward's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

Is Caroline Ward enrolled in Medicare?

Yes. Caroline Ward 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 Caroline Ward's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Caroline Ward reassigns Medicare benefits to Greenwich Anesthesiology Associates, PC (Greenwich, CT). 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 Caroline Ward'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 Caroline Ward was last updated on January 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.