MERRITT M PETERSON CAA
NPI 1629895883
Anesthesiologist Assistant in Indianapolis, IN

Active since September 20, 2024Accepts Medicare Assignment
705 RILEY HOSPITAL DR, INDIANAPOLIS, IN 46202(317) 944-9981(317) 944-0282 Get Directions Write a Review

NPPES record last updated: October 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 11, 2024, Sep 20, 2024 (2 updates tracked since 2024).

About Merritt M Peterson Caa NPPES

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

MERRITT M PETERSON CAA (NPI 1629895883) is an individual anesthesiologist assistant in Indianapolis, Indiana, licensed in Indiana (75000190A) and active in the NPI registry since September 2024. He is affiliated with Indiana University Health, maintains a secondary practice location in Indianapolis, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1629895883
Entity TypeIndividualMale
Primary Taxonomy367H00000X
Provider Legal NameMERRITT M PETERSONCredential: CAA
Location Address705 RILEY HOSPITAL DRIndianapolis, IN 46202-5109
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Fax(317) 944-0282
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateSeptember 20, 2024
Last NPPES UpdateOctober 11, 20242 updates tracked since enumeration
NPPES CertifiedOctober 11, 2024
✔ NPI 1629895883 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
License✔ Licensed in IN · 75000190A
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
Also ListedPhysician Assistant · MedicalTaxonomy 363AM0700X · License 75000190A (IN)
705 RILEY HOSPITAL DR, Indianapolis, IN 46202

Secondary Practice Location 1

Location 1705 Riley Hospital Dr Rm 2001Indianapolis, IN 46202-5109 · Phone (317) 944-9981 · Fax (317) 944-0282

Accepted 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

Merritt M Peterson Caa 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 ID9638603202
PECOS Enrollment IDI20241106000415

Medicare Billing Reassignments

2

Medicare enrollment records show Merritt Peterson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Pediatric Anesthesiology
705 RILEY HOSPITAL DR
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 88 clinicians in this Medicare group
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 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.

Hospital Affiliations CMS Care Compare

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

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

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.

Pediatrics (Neonatal-Perinatal Medicine)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Nurse Practitioner (Family)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Pediatrics (Neonatal-Perinatal Medicine)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Dentist (Pediatric Dentistry)
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Student in an Organized Health Care Education/Training Program
705 RILEY HOSPITAL DR
INDIANAPOLIS, IN 46202
Nurse Practitioner (Pediatrics)
705 RILEY HOSPITAL DR, RI 1601
INDIANAPOLIS, IN 46202
Dentist (Pediatric Dentistry)
705 RILEY HOSPITAL DR, ROC - SUITE 4205
INDIANAPOLIS, IN 46202

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 Merritt Peterson's NPI number?

The NPI number for Merritt Peterson is 1629895883. It was assigned to this individual provider in the NPPES registry on September 20, 2024.

Where is Merritt Peterson located?

Merritt Peterson practices at 705 Riley Hospital Dr, Indianapolis, IN 46202. The listed phone number is (317) 944-9981.

What is Merritt Peterson's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Merritt Peterson enrolled in Medicare?

Yes. Merritt Peterson 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 Merritt Peterson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Merritt Peterson reassigns Medicare benefits to 2 organizations: Iu Anesthesiology Associates-Pediatrics, LLC (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). 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 Merritt Peterson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Merritt Peterson accept?

Health plans from CareSource list Merritt Peterson 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 Merritt Peterson affiliated with any hospitals?

According to CMS data, Merritt Peterson is affiliated with Indiana University Health.

When was this NPI record last updated?

The NPPES record for Merritt Peterson was last updated on October 11, 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.