LAURENCE DEAN WELCH CRNA
NPI 1225233620
Nurse Anesthetist, Certified Registered in Norwalk, CT

Q: What is Laurence Welch's NPI number?

The NPI number for Laurence Welch is 1225233620. It was assigned to this individual provider in the NPPES registry on June 18, 2007.

Q: What is Laurence Welch's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Laurence Welch was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since June 18, 2007

24 STEVENS ST, NORWALK, CT 06850(203) 852-3141 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Laurence Dean Welch Crna NPPES

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

LAURENCE DEAN WELCH CRNA (NPI 1225233620) is an individual nurse anesthetist, certified registered in Norwalk, Connecticut, licensed in Connecticut (000386) and active in the NPI registry since June 2007.

NPPES Registry Identity

NPI1225233620

Entity TypeIndividualMale

Primary Taxonomy367500000X

Provider Legal NameLAURENCE DEAN WELCHCredential: CRNA

Location Address24 STEVENS STNorwalk, CT 06850-3852

Mailing AddressPo Box 13652Newark, NJ 07188-0001 · (203) 852-3141

Phone(203) 852-3141

Sole ProprietorNo

Enumeration DateJune 18, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1225233620 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 CT · 000386

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.

24 STEVENS ST, Norwalk, CT 06850

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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 (PECOS)

Laurence Dean Welch Crna is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

Medicare enrollment records show Laurence Welch reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

First Choice Physician Partners

2,388 mi

Internal Medicine

47647 CALEO BAY DR, STE 101
La Quinta, CA 92253

Reassigned Medicare billing, California enrollment
488 clinicians in this Medicare group

NPI 1841621323 (760) 668-0386

Baec Anesthesia LLC

2,581 mi

Nurse Anesthetist, Certified Registered

20998 REDWOOD RD
Castro Valley, CA 94546

Reassigned Medicare billing, California enrollment
10 clinicians in this Medicare group

NPI 1114446291 (510) 538-9900

Amsurg Oakland Anesthesia LP

2,588 mi

Anesthesiology

300 FRANK OGAWA PLAZA, SUITE 135
Oakland, CA 94612

Reassigned Medicare billing, California enrollment
48 clinicians in this Medicare group

NPI 1679847727 (510) 893-1600

Amsurg Marin Anesthesia LP

2,598 mi

Anesthesiology

1100 SOUTH ELISCO DRIVE, SUITE 3
Greenbrae, CA 94904

Reassigned Medicare billing, California enrollment
37 clinicians in this Medicare group

NPI 1972929925 (415) 464-0606

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 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.

204 services203 patients

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.

80 services78 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.

75 services75 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.

42 services42 patients

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.

Reported Quality Measures

Pre-operative OSA assessment

Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)

88%929 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

DR. EVE BLOCK MD

Internal Medicine (Hospice and Palliative Medicine)

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2665

RUTH C PERRY CRNA

Nurse Anesthetist, Certified Registered

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

DR. RICHARD LAWRENCE MAIBERGER M.D.

Psychiatry & Neurology (Psychiatry)

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2293

RICHARD A HUGHES MD

Anesthesiology

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

MRS. ERIKA JAYNE PEARL PA-C

Physician Assistant (Surgical)

24 STEVENS ST, NORWALK HOSPITAL DEPARTMENT OF SURGERY
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2464

JAN CRISTOPHER HERNANDEZ DE GUZMAN PHARMD, MSF, RPH

Pharmacist

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2690

PAUL R BEILES MD

Anesthesiology

24 STEVENS ST
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-2276

MS. IRIS NAGIN RNP

Nurse Practitioner (Adult Health)

24 STEVENS ST, HOSPITALIST SUITE
NORWALK, CT 06850

Western Connecticut Planning Region (203) 852-3072

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 Laurence Welch's NPI number?

The NPI number for Laurence Welch is 1225233620. It was assigned to this individual provider in the NPPES registry on June 18, 2007.

Where is Laurence Welch located?

Laurence Welch practices at 24 Stevens St, Norwalk, CT 06850. The listed phone number is (203) 852-3141.

What is Laurence Welch's specialty?

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

Is Laurence Welch enrolled in Medicare?

Yes. Laurence Welch is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Laurence Welch's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Laurence Welch reassigns Medicare benefits to 4 organizations: First Choice Physician Partners (La Quinta, CA), Baec Anesthesia LLC (Castro Valley, CA), Amsurg Oakland Anesthesia LP (Oakland, CA) and Amsurg Marin Anesthesia LP (Greenbrae, CA). 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 Laurence Welch'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 Laurence Welch was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.