GREGORY J CASTIGLIA MD
NPI 1003891896
Neurological Surgery in Williamsville, NY

Active since December 14, 2005PECOS EnrolledAccepts Medicare Assignment
91.13/100
CMS Quality Rating
40 GEORGE KARL BLVD, WILLIAMSVILLE, NY 14221(716) 218-1000(716) 200-1857 Get Directions Write a Review

NPPES record last updated: October 15, 2019. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Gregory J Castiglia Md NPPES

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

GREGORY J CASTIGLIA MD (NPI 1003891896) is an individual neurological surgery provider in Williamsville, New York, licensed in New York (1982201) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Sisters Of Charity Hospital, and is a graduate of Columbia University College Of Physicians And Surgeons (1992).

NPPES Registry Identity

NPI1003891896
Entity TypeIndividualMale
Primary Taxonomy207T00000X
Provider Legal NameGREGORY J CASTIGLIACredential: MD
Location Address40 GEORGE KARL BLVDWilliamsville, NY 14221-7183
Mailing Address40 George Karl BlvdWilliamsville, NY 14221-7183 · (716) 218-1000 · Fax (716) 200-1857
Fax(716) 200-1857
Sole ProprietorNo
Medical School CMSColumbia University College Of Physicians And SurgeonsGraduated 1992
Enumeration DateDecember 14, 2005
Last NPPES UpdateOctober 15, 2019
NPI 1003891896 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
License Licensed in NY · 1982201
Definition

A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.

40 GEORGE KARL BLVD, Williamsville, NY 14221

Other Identifiers 5

Other0610627NY · Independent Health
Medicaid01934587NY
Other140006487Railroad Medicare
Other00020521001NY · Univera Healthcare
Other000525616001NY · Blue Cross/blue Shield

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory J Castiglia 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 ID4486703535
PECOS Enrollment IDI20101220000190
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.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection of substance into lower spine canal using imaging guidance 62323
This procedure involves injecting a substance into your lower spine canal, guided by real-time images. It's done to diagnose or treat various conditions. You may feel slight discomfort, but it's generally safe and can provide valuable information for your treatment plan.
62 services34 patients
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.
53 services47 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
39 services39 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
31 services31 patients
Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853
Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.
21 services16 patients
Fusion of spine in lower back with partial removal of spine bone and disc 22633
This procedure, called lumbar spinal fusion, involves joining two or more vertebrae in your lower back. It includes a partial removal of a spine bone and disc to alleviate pain and improve stability. The goal is to reduce motion between vertebrae and prevent nerve irritation.
11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Sisters Of Charity Hospital

Acute Care Hospitals · Buffalo, NY
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330078
Location2157 Main StreetBuffalo, NY 14214 · Erie County
Emergency services Birthing friendly

Kenmore Mercy Hospital

Acute Care Hospitals · Kenmore, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number330102
Location2950 Elmwood AvenueKenmore, NY 14217 · Erie County
Emergency services

Bertrand Chaffee Hospital

Acute Care Hospitals · Springville, NY
OwnershipVoluntary non-profit - Church
CMS Certification Number330111
Location224 East Main StreetSpringville, NY 14141 · Erie County
Emergency services

Erie County Medical Center

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number330219
Location462 Grider StreetBuffalo, NY 14215 · Erie County
Emergency services

Mercy Hospital Of Buffalo

Acute Care Hospitals · Buffalo, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330279
Location565 Abbott RoadBuffalo, NY 14220 · Erie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 14221 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
$126.40 typical visit price
range $54.87 – $166.88
Typical copayment $31.60 (range $13.71 – $41.72)
Most-billed visit code 99204
Established Patient
$68.57 typical visit price
range $17.54 – $136.14
Typical copayment $17.14 (range $4.38 – $34.03)
Most-billed visit code 99213
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.

91.13/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality72.79
Promoting Interoperability99
Improvement Activities40
Cost89.06

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.

Psychiatry & Neurology (Neurology)
40 GEORGE KARL BLVD
BUFFALO, NY 14221
Neurological Surgery
40 GEORGE KARL BLVD
WILLIAMSVILLE, NY 14221
Neurological Surgery
40 GEORGE KARL BLVD
WILLIAMSVILLE, NY 14221
Neurological Surgery
40 GEORGE KARL BLVD
WILLIAMSVILLE, NY 14221
Neurological Surgery
40 GEORGE KARL BLVD
WILLIAMSVILLE, NY 14221
Neurological Surgery
40 GEORGE KARL BLVD
WILLIAMSVILLE, NY 14221
Physician Assistant (Surgical)
40 GEORGE KARL BLVD
WILLIAMSVILLE, NY 14221
Chiropractor
40 GEORGE KARL BLVD
WILLIAMSVILLE, NY 14221

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003891896, enumerated as an "individual" on December 14, 2005.

The provider is located at 40 GEORGE KARL BLVD WILLIAMSVILLE, NY 14221 and the phone number is (716) 218-1000.

Neurological Surgery with taxonomy code 207T00000X.

The provider might be accepting Accepts: Medicare, Medicaid, Railroad Medicare and Blue. Please consult your insurance carrier or call the provider to verify.

Gregory Castiglia is affiliated with: SISTERS OF CHARITY HOSPITAL, KENMORE MERCY HOSPITAL, BERTRAND CHAFFEE HOSPITAL, ERIE COUNTY MEDICAL CENTER and MERCY HOSPITAL OF BUFFALO.