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DR. NICHOLAS WILLIAM GILL MD
NPI 1285053439
Anesthesiology in Saint Louis, MO

Active since April 15, 2014PECOS EnrolledAccepts Medicare Assignment
12101 WOODCREST EXECUTIVE DR STE 160, SAINT LOUIS, MO 63141(614) 371-0814 Get Directions Write a Review

NPPES record last updated: June 5, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jun 5, 2024, Nov 13, 2021, Nov 4, 2019 and 2 more (5 updates tracked since 2019).

About Dr. Nicholas William Gill Md NPPES

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

DR. NICHOLAS WILLIAM GILL MD (NPI 1285053439) is an individual anesthesiology provider in Saint Louis, Missouri, licensed in Missouri (2021011171) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - St Louis, and is a graduate of University Of Cincinnati College Of Medicine (2014).

NPPES Registry Identity

NPI1285053439
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. NICHOLAS WILLIAM GILLCredential: MD
Location Address12101 WOODCREST EXECUTIVE DR STE 160Saint Louis, MO 63141-5050
Mailing Address12101 Woodcrest Executive Dr Ste 160Saint Louis, MO 63141-5050 · (614) 371-0814
Phone(614) 371-0814
Sole ProprietorNo
Medical School CMSUniversity Of Cincinnati College Of MedicineGraduated 2014
Enumeration DateApril 15, 2014
Last NPPES UpdateJune 5, 20245 updates tracked since enumeration
NPPES CertifiedJune 5, 2024
✔ NPI 1285053439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MO · 2021011171
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.
12101 WOODCREST EXECUTIVE DR STE 160, Saint Louis, MO 63141
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare.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. Nicholas William Gill 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 ID2062749542
PECOS Enrollment IDI20211025000779
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

5

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

Premier Anesthesia LLC
1.1 mi
Anesthesiology
760 OFFICE PKWY STE 100
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 56 clinicians in this Medicare group
NPI 1225073828 (314) 200-1462
Missouri Baptist Medical Center
2.7 mi
Anesthesiology
3015 N BALLAS RD
Saint Louis, MO 63131
  • Reassigned Medicare billing, Missouri enrollment
  • 102 clinicians in this Medicare group
NPI 1609658905 (314) 996-5000
Metro-West Anesthesia Group Inc
2.9 mi
Anesthesiology
400 S WOODS MILL RD, STE 140
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 46 clinicians in this Medicare group
NPI 1245427335 (314) 485-1101
Mid-West Anesthesia Partners, LLC
3.0 mi
Anesthesiology
400 S WOODS MILL RD STE 140
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 81 clinicians in this Medicare group
NPI 1851254304 (314) 485-1101
Comprehensive Anesthesia Care PC
3.3 mi
Anesthesiology
232 S WOODS MILL RD, ANESTHESIA DEPARTMENT
Chesterfield, MO 63017
  • Reassigned Medicare billing, Missouri enrollment
  • 35 clinicians in this Medicare group
NPI 1215975156 (314) 205-6917

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

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

Ssm Health St Mary's Hospital - St Louis

Acute Care Hospitals · Richmond Heights, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260091
Location6420 Clayton RdRichmond Heights, MO 63117 · St. Louis County
Emergency services Birthing friendly

Ssm Health Depaul Hospital St Louis

Acute Care Hospitals · Bridgeton, MO
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number260104
Location12303 Depaul DriveBridgeton, MO 63044 · St. Louis County
Emergency services Birthing friendly

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 Nicholas Gill's NPI number?

The NPI number for Nicholas Gill is 1285053439. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Where is Nicholas Gill located?

Nicholas Gill practices at 12101 Woodcrest Executive Dr Ste 160, Saint Louis, MO 63141. The listed phone number is (614) 371-0814.

What is Nicholas Gill's specialty?

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

Is Nicholas Gill enrolled in Medicare?

Yes. Nicholas Gill 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 Nicholas Gill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Gill reassigns Medicare benefits to 5 organizations: Premier Anesthesia LLC (Saint Louis, MO), Missouri Baptist Medical Center (Saint Louis, MO), Metro-West Anesthesia Group Inc (Chesterfield, MO), Mid-West Anesthesia Partners, LLC (Chesterfield, MO) and Comprehensive Anesthesia Care PC (Chesterfield, MO). 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 Nicholas Gill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nicholas Gill accept?

Health plans from Molina Healthcare list Nicholas Gill 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.

Is Nicholas Gill affiliated with any hospitals?

According to CMS data, Nicholas Gill is affiliated with Ssm Health St Mary's Hospital - St Louis and Ssm Health Depaul Hospital St Louis.

When was this NPI record last updated?

The NPPES record for Nicholas Gill was last updated on June 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.