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MICHAEL MARSH R.N.
NPI 1558721100
Nurse Anesthetist, Certified Registered in Conway, AR

Active since February 24, 2016
810 MERRIMAN ST, CONWAY, AR 72032(501) 329-3937 Get Directions Write a Review

NPPES record last updated: October 14, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 14, 2021, Feb 24, 2016 (2 updates tracked since 2016).

About Michael Marsh R.n. NPPES

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

MICHAEL MARSH R.N. (NPI 1558721100) is an individual nurse anesthetist, certified registered in Conway, Arkansas, licensed in Arkansas (C003140) and active in the NPI registry since February 2016.

NPPES Registry Identity

NPI1558721100
Entity TypeIndividualMale
Primary Taxonomy367500000X
Provider Legal NameMICHAEL MARSHCredential: R.N.
Location Address810 MERRIMAN STConway, AR 72032-4436
Mailing Address15 Belle Meadow LnLittle Rock, AR 72210-3715 · (501) 425-4426
Phone(501) 329-3937
Sole ProprietorNo
Enumeration DateFebruary 24, 2016
Last NPPES UpdateOctober 14, 20212 updates tracked since enumeration
NPPES CertifiedOctober 14, 2021
✔ NPI 1558721100 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 AR · C003140
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.
810 MERRIMAN ST, Conway, AR 72032
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Arkansas Blue Cross and Blue Shield, Health Advantage, Octave.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michael Marsh R.n. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

5

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

Modern Anesthesia Consultants, LLC
Same address
Nurse Anesthetist, Certified Registered
810 MERRIMAN ST
Conway, AR 72032
  • Reassigned Medicare billing, Arkansas enrollment
  • 8 clinicians in this Medicare group
NPI 1659976751 (501) 329-3937
University Of Arkansas For Medical Science
2.2 mi
Otolaryngology
2425 DAVE WARD DR STE 101
Conway, AR 72034
  • Reassigned Medicare billing, Arkansas enrollment
  • Medicare enrollment name: University Of Arkansas For Medical Sciences
  • 2,038 clinicians in this Medicare group
NPI 1760058895 (501) 932-7600
Gastro Anesthesia PLLC
21 mi
Nurse Anesthetist, Certified Registered
4200 N RODNEY PARHAM RD, SUITE 203
Little Rock, AR 72212
  • Reassigned Medicare billing, Arkansas enrollment
  • 84 clinicians in this Medicare group
NPI 1366700890 (817) 402-7526
ASC Anesthesia, PLLC
67 mi
Nurse Anesthetist, Certified Registered
4800 S HAZEL ST
Pine Bluff, AR 71603
  • Reassigned Medicare billing, Arkansas enrollment
  • 35 clinicians in this Medicare group
NPI 1336509819 (870) 534-5533
Baxter County Regional Hospital Inc
86 mi
Anesthesiology
624 HOSPITAL DR
Mountain Home, AR 72653
  • Reassigned Medicare billing, Arkansas enrollment
  • 88 clinicians in this Medicare group
NPI 1114178753 (870) 508-1000

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 3

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 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.
381 services296 patients
Anesthesia for other procedure on eye 00140
Anesthesia for an eye procedure involves administering medication to numb your eye and surrounding area, ensuring you feel no pain during the operation. It can be local (only the eye area) or general (whole body). It's safe and helps make the procedure comfortable.
13 services12 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.
12 services12 patients

Other Providers at the Same Location NPPES 5

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

BAKER AMBULATORY SURGERY CENTER
Clinic/Center (Ambulatory Surgical)
810 MERRIMAN ST
CONWAY, AR 72032
Faulkner County (501) 329-3937
DAVID LITTLETON BAKER JR. MD
Ophthalmology
810 MERRIMAN ST
CONWAY, AR 72032
Faulkner County (501) 329-3937
MODERN ANESTHESIA CONSULTANTS, LLC
Nurse Anesthetist, Certified Registered
810 MERRIMAN ST
CONWAY, AR 72032
Faulkner County (501) 329-3937
BAKER EYE INSTITUTE
Clinic/Center
810 MERRIMAN ST
CONWAY, AR 72032
Faulkner County (501) 932-0118
BAKER EYE INSTITUTE
Clinic/Center
810 MERRIMAN ST
CONWAY, AZ 72032
Faulkner County (501) 932-0118

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 Michael Marsh's NPI number?

The NPI number for Michael Marsh is 1558721100. It was assigned to this individual provider in the NPPES registry on February 24, 2016.

Where is Michael Marsh located?

Michael Marsh practices at 810 Merriman St, Conway, AR 72032. The listed phone number is (501) 329-3937.

What is Michael Marsh's specialty?

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

Is Michael Marsh enrolled in Medicare?

Yes. Michael Marsh is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Marsh's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Marsh reassigns Medicare benefits to 5 organizations: Modern Anesthesia Consultants, LLC (Conway, AR), University Of Arkansas For Medical Science (Conway, AR), Gastro Anesthesia PLLC (Little Rock, AR), ASC Anesthesia, PLLC (Pine Bluff, AR) and Baxter County Regional Hospital Inc (Mountain Home, AR). 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 Michael Marsh's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Marsh accept?

Health plans from Arkansas Blue Cross and Blue Shield, Health Advantage and Octave list Michael Marsh 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.

When was this NPI record last updated?

The NPPES record for Michael Marsh was last updated on October 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.