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DR. SEBASTIAN BOURGEOIS MD
NPI 1265649115
Anesthesiology in Springfield, MA

Active since May 17, 2007PECOS EnrolledAccepts Medicare Assignment
908 ALLEN STREET, SPRINGFIELD ANESTHESIA SERVICE, SPRINGFIELD, MA 01118(413) 796-7494(413) 796-7497 Get Directions Write a Review

NPPES record last updated: June 8, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Sebastian Bourgeois Md NPPES

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

DR. SEBASTIAN BOURGEOIS MD (NPI 1265649115) is an individual anesthesiology provider in Springfield, Massachusetts, licensed in Connecticut (52255) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1994).

NPPES Registry Identity

NPI1265649115
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. SEBASTIAN BOURGEOISCredential: MD
Location Address908 ALLEN STREET, SPRINGFIELD ANESTHESIA SERVICESpringfield, MA 01118-2533
Mailing Address908 Allen StSpringfield, MA 01118-2569 · (413) 796-7494 · Fax (413) 796-7497
Phone(413) 796-7494
Fax(413) 796-7497
Sole ProprietorYes
Medical School CMSOtherGraduated 1994
Enumeration DateMay 17, 2007
Last NPPES UpdateJune 8, 2026
NPPES CertifiedJune 8, 2026
✔ NPI 1265649115 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in CT · 52255✔ Licensed in MA · 242564
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
908 ALLEN STREET, Springfield, MA 01118
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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. Sebastian Bourgeois 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 ID9436282639
PECOS Enrollment IDI20140313001184
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

7

Medicare enrollment records show Sebastian Bourgeois reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Holyoke Medical Center, Inc.
9.1 mi
General Acute Care Hospital
575 BEECH ST
Holyoke, MA 01040
  • Reassigned Medicare billing, Massachusetts enrollment
  • 51 clinicians in this Medicare group
NPI 1750395737 (413) 534-2567
Charter Anesthesiology LLC
23 mi
Anesthesiology
1093 PROSPECT AVE
West Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut and Massachusetts enrollments
  • 86 clinicians in this Medicare group
NPI 1730674532 (203) 980-0368
Woodland Anesthesia Associates PC
23 mi
Anesthesiology
114 WOODLAND ST
Hartford, CT 06105
  • Reassigned Medicare billing, Connecticut and Massachusetts enrollments
  • 302 clinicians in this Medicare group
NPI 1437109824 (860) 714-6654
Connecticut Gi PLLC
24 mi
Gastroenterology
85 SEYMOUR ST, 1000
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 417 clinicians in this Medicare group
NPI 1023124625 (860) 246-2571
Integrated Anesthesia Associates LLC
64 mi
Anesthesiology
2 CORPORATE DRIVE 9TH FLOOR, SUITE 955
Shelton, CT 06484
  • Reassigned Medicare billing, Connecticut enrollment
  • 727 clinicians in this Medicare group
NPI 1881636397 (203) 929-7353
Dha Endoscopy LLC
78 mi
Ambulatory Surgical
91 MONTVALE AVE STE 103
Stoneham, MA 02180
  • Reassigned Medicare billing, Massachusetts enrollment
  • 27 clinicians in this Medicare group
NPI 1730113325 (781) 835-2111
Stamford Anesthesiology Services, PC
89 mi
Anesthesiology
30 SHELBURNE RD
Stamford, CT 06902
  • Reassigned Medicare billing, Connecticut enrollment
  • 92 clinicians in this Medicare group
NPI 1376608448 (203) 325-7000

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 other procedure on urinary system through urethra 00910
Anesthesia for a procedure on the urinary system through the urethra involves using medicine to numb sensation in the area. This is done to ensure you feel no pain or discomfort during the procedure. The medicine can be given locally, regionally, or generally, depending on the specifics of your procedure.
30 services30 patients
Anesthesia for procedure on upper urinary tubes or removal of kidney for transplant 00862
Anesthesia is used to ensure comfort and prevent pain during a procedure on the upper urinary tubes or kidney removal for transplant. It can be general (you're asleep) or regional (only a part of your body is numb). The type used depends on the specific procedure and your overall health.
20 services18 patients
Anesthesia for removal of urinary bladder tumors including use of an endoscope 00912
This procedure involves the use of anesthesia to ensure comfort while an endoscope, a thin tube with a light and camera, is used to identify and remove abnormal growths in the bladder. It's a minimally invasive approach to maintain bladder health.
16 services15 patients
Anesthesia for procedure on eyelid 00103
Anesthesia for an eyelid procedure helps ensure comfort and painlessness during the operation. It's typically a local anesthetic, applied to numb your eyelid and surrounding area. You'll likely be awake but won't feel any discomfort. It's a safe, routine part of many eye procedures.
11 services11 patients

Other Providers at the Same Location NPPES 2

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

DR. TONI JEAN CHAHLA M.D.
Anesthesiology
908 ALLEN STREET
SPRINGFIELD, MA 01118
Hampden County (413) 796-7494
STEVEN DUNN M.D.
Anesthesiology
908 ALLEN STREET
SPRINGFIELD, MA 01118
Hampden County (413) 796-7494

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 Sebastian Bourgeois's NPI number?

The NPI number for Sebastian Bourgeois is 1265649115. It was assigned to this individual provider in the NPPES registry on May 17, 2007.

Where is Sebastian Bourgeois located?

Sebastian Bourgeois practices at 908 Allen Street Springfield Anesthesia Service, Springfield, MA 01118. The listed phone number is (413) 796-7494.

What is Sebastian Bourgeois's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Sebastian Bourgeois enrolled in Medicare?

Yes. Sebastian Bourgeois 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 Sebastian Bourgeois's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sebastian Bourgeois reassigns Medicare benefits to 7 organizations: Holyoke Medical Center, Inc. (Holyoke, MA), Charter Anesthesiology LLC (West Hartford, CT), Woodland Anesthesia Associates PC (Hartford, CT), Connecticut Gi PLLC (Hartford, CT), Integrated Anesthesia Associates LLC (Shelton, CT) and 2 more organizations, listed in the Medicare section above. 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 Sebastian Bourgeois'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 Sebastian Bourgeois was last updated on June 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.