GREGORY J. BUCK CRNA
NPI 1053845552
Nurse Anesthetist, Certified Registered in Houston, TX

Active since April 12, 2017Accepts Medicare Assignment
1500 CITYWEST BLVD, STE. 300, HOUSTON, TX 77042(713) 620-4000 Get Directions Write a Review

NPPES record last updated: June 25, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 25, 2018, Apr 12, 2017 (2 updates tracked since 2017).

About Gregory J. Buck Crna NPPES

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

GREGORY J. BUCK CRNA (NPI 1053845552) is an individual nurse anesthetist, certified registered in Houston, Texas, licensed in Texas (AP133782) and active in the NPI registry since April 2017. He is affiliated with Physicians Regional Medical Center - Pine Ridge and is a graduate of Other (2017).

NPPES Registry Identity

NPI1053845552
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameGREGORY J. BUCKCredential: CRNA
Location Address1500 CITYWEST BLVD, STE. 300Houston, TX 77042
Mailing AddressPo Box 650865Dallas, TX 75265-0865 · (713) 620-4000
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 12, 2017
Last NPPES UpdateJune 25, 20182 updates tracked since enumeration
✔ NPI 1053845552 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in TX · AP133782
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
1500 CITYWEST BLVD, Houston, TX 77042

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

Gregory J. Buck Crna 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 ID7315224185
PECOS Enrollment IDI20180831001560

Medicare Billing Reassignments

5

Medicare enrollment records show Gregory Buck reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
2025 INDIAN ROCKS RD S
Largo, FL 33774
  • Reassigned Medicare billing, Florida enrollment
  • 1,287 clinicians in this Medicare group
Interventional Pain Medicine
26741 DUBLIN WOODS CIR
Bonita Springs, FL 34135
  • Reassigned Medicare billing, Florida enrollment
  • 20 clinicians in this Medicare group
Pain Medicine
1005 CROSSPOINTE DR STE 2
Naples, FL 34110
  • Reassigned Medicare billing, Florida enrollment
  • 22 clinicians in this Medicare group
Nurse Anesthetist, Certified Registered
13770 OLD LIVINGSTON RD
Naples, FL 34109
  • Reassigned Medicare billing, Florida enrollment
  • 16 clinicians in this Medicare group
Anesthesiology
6101 PINE RIDGE RD
Naples, FL 34119
  • Reassigned Medicare billing, Florida enrollment
  • 767 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 5

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 other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
140 services137 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.
125 services125 patients
Anesthesia for procedure on small and large bowel using an endoscope 00813
Anesthesia for an endoscopic procedure on the small and large bowel ensures comfort and relaxation during the procedure. It involves administering medicine to help you sleep or feel drowsy. This allows the doctor to examine your bowels without causing you discomfort or pain.
118 services118 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.
113 services109 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
96 services96 patients

Hospital Affiliations CMS Care Compare

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

Physicians Regional Medical Center - Pine Ridge

Acute Care Hospitals · Naples, FL
1/5 CMS rating
OwnershipProprietary
CMS Certification Number100286
Location6101 Pine Ridge RoadNaples, FL 34119 · Collier County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77042 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$72.62 typical visit price
range $18.60 – $143.93
Typical copayment $18.15 (range $4.65 – $35.98)
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.

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.

Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, SUITE 300
HOUSTON, TX 77042
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042

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 Gregory Buck's NPI number?

The NPI number for Gregory Buck is 1053845552. It was assigned to this individual provider in the NPPES registry on April 12, 2017.

Where is Gregory Buck located?

Gregory Buck practices at 1500 Citywest Blvd Ste. 300, Houston, TX 77042. The listed phone number is (713) 620-4000.

What is Gregory Buck's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Gregory Buck enrolled in Medicare?

Yes. Gregory Buck 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 Gregory Buck's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Buck reassigns Medicare benefits to 5 organizations: Gulf-To-Bay Anesthesiology Associates LLC (Largo, FL), Korunda Medical, LLC (Bonita Springs, FL), North Naples Anesthesia, LLC (Naples, FL), Coastal Anesthesia & Pain Associates, PLLC (Naples, FL) and Capital Anesthesia Solutions Of Florida II, LLC (Naples, FL). 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 Gregory Buck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Gregory Buck affiliated with any hospitals?

According to CMS data, Gregory Buck is affiliated with Physicians Regional Medical Center - Pine Ridge.

When was this NPI record last updated?

The NPPES record for Gregory Buck was last updated on June 25, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.