Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. WILLIAM K. CONAWAY MD
NPI 1548758337
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Shelton, CT

Active since April 26, 2018PECOS EnrolledAccepts Medicare Assignment
330 BRIDGEPORT AVE, SHELTON, CT 06484(203) 654-2518(203) 799-8058 Get Directions Write a Review

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

Record update history: Oct 14, 2026, May 11, 2026, Oct 9, 2024 and 3 more (6 updates tracked since 2018).

About Dr. William K. Conaway Md NPPES

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

DR. WILLIAM K. CONAWAY MD (NPI 1548758337) is an individual orthopaedic surgery of the spine provider in Shelton, Connecticut, licensed in Connecticut (78821) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Pennsylvania State University College Of Medicine (2018).

NPPES Registry Identity

NPI1548758337
Entity TypeIndividualMale
Primary Taxonomy207XS0117X
Provider Legal NameDR. WILLIAM K. CONAWAYCredential: MD
Location Address330 BRIDGEPORT AVEShelton, CT 06484-3861
Mailing Address2 Barnes Industrial Rd SWallingford, CT 06492-2486 · (203) 626-0160 · Fax (203) 294-6734
Fax(203) 799-8058
Sole ProprietorNo
Medical School CMSPennsylvania State University College Of MedicineGraduated 2018
Enumeration DateApril 26, 2018
Last NPPES UpdateOctober 14, 20266 updates tracked since enumeration
NPPES CertifiedOctober 14, 2026
✔ NPI 1548758337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOrthopaedic Surgery · Orthopaedic Surgery of the SpineAllopathic & Osteopathic Physicians
Taxonomy Code207XS0117X
License✔ Licensed in CT · 78821
Definition
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X · License 78821 (CT)
330 BRIDGEPORT AVE, Shelton, CT 06484

Secondary Practice Locations 4

Location 11055 Post Rd Ste 4Fairfield, CT 06824-6019 · Phone (203) 654-2518 · Fax (203) 799-8058
Location 2888 White Plains Rd Ste 105&106Trumbull, CT 06611-4552 · Phone (203) 654-2518 · Fax (203) 799-8058
Location 31800 Post Rd EWestport, CT 06880-5607 · Phone (203) 654-2518 · Fax (203) 799-8058
Location 41262 Post RdFairfield, CT 06824-6010 · Phone (203) 254-1354 · Fax (203) 672-0840

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

Dr. William K. Conaway Md 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 ID6406101161
PECOS Enrollment IDI20240715000550
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 William Conaway reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Physical Therapist
464 BOSTON POST RD
Orange, CT 06477
  • Reassigned Medicare billing, Connecticut enrollment
  • 146 clinicians in this Medicare group
Surgery
85 SEYMOUR ST STE 415
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 1,921 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 3

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
48 services41 patients
X-ray of lower and sacral spine, minimum of 4 views 72110
An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.
23 services22 patients
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.
21 services20 patients

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Orthopaedic Surgery
330 BRIDGEPORT AVE
SHELTON, CT 06484
Physical Therapist
330 BRIDGEPORT AVE
SHELTON, CT 06484
Physical Therapist (Orthopedic)
330 BRIDGEPORT AVE
SHELTON, CT 06484
Physical Therapist
330 BRIDGEPORT AVE
SHELTON, CT 06484
Family Medicine
330 BRIDGEPORT AVE
SHELTON, CT 06484
Physical Therapist
330 BRIDGEPORT AVE
SHELTON, CT 06484
Physical Therapist
330 BRIDGEPORT AVE
SHELTON, CT 06484
Neurological Surgery
330 BRIDGEPORT AVE
SHELTON, CT 06484

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 William Conaway's NPI number?

The NPI number for William Conaway is 1548758337. It was assigned to this individual provider in the NPPES registry on April 26, 2018.

Where is William Conaway located?

William Conaway practices at 330 Bridgeport Ave, Shelton, CT 06484. The listed phone number is (203) 654-2518.

What is William Conaway's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Orthopaedic Surgery of the Spine, with taxonomy code 207XS0117X.

Is William Conaway enrolled in Medicare?

Yes. William Conaway 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 William Conaway's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Conaway reassigns Medicare benefits to 2 organizations: Connecticut Orthopaedic Specialists, PC (Orange, CT) and Hartford Healthcare Medical Group Specialists, PLLC (Hartford, CT). 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 William Conaway's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Conaway accept?

Health plans from Anthem Blue Cross and Blue Shield list William Conaway 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.

When was this NPI record last updated?

The NPPES record for William Conaway was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 days 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.