AARON COSTLOW
NPI 1164008504
Anesthesiology in Indianapolis, IN

Q: What is Aaron Costlow's NPI number?

The NPI number for Aaron Costlow is 1164008504. It was assigned to this individual provider in the NPPES registry on March 23, 2021.

Q: What is Aaron Costlow's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Aaron Costlow was last updated on February 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.

Active since March 23, 2021PECOS EnrolledAccepts Medicare Assignment

1130 W MICHIGAN ST # FH204, INDIANAPOLIS, IN 46202(317) 274-0076(317) 274-0256 Get Directions Write a Review

NPPES record last updated: February 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Feb 2, 2026, Mar 23, 2021 (2 updates tracked since 2021).

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About Aaron Costlow NPPES

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

AARON COSTLOW (NPI 1164008504) is an individual anesthesiology provider in Indianapolis, Indiana, licensed in Indiana (01095285A) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Deaconess Hospital Inc, and is a graduate of Indiana University School Of Medicine (2021).

NPPES Registry Identity

NPI1164008504

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameAARON COSTLOW

Location Address1130 W MICHIGAN ST # FH204Indianapolis, IN 46202-5209

Mailing Address1130 W Michigan St # Fh204Indianapolis, IN 46202-5209 · (317) 274-0076 · Fax (317) 274-0256

Phone(317) 274-0076

Fax(317) 274-0256

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 2021

Enumeration DateMarch 23, 2021

Last NPPES UpdateFebruary 2, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 2, 2026

✔ NPI 1164008504 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in IN · 01095285A

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.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 11021618A (IN)

1130 W MICHIGAN ST # FH204, Indianapolis, IN 46202

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Aaron Costlow 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 ID244630101

PECOS Enrollment IDI20250603003702, I20250729003525

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.

Hospital Affiliations CMS Care Compare 2

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

Deaconess Hospital Inc

Acute Care Hospitals · Evansville, IN

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150082

Location600 Mary StEvansville, IN 47710 · Vanderburgh County

Emergency services

Deaconess Henderson Hospital

Acute Care Hospitals · Henderson, KY

2/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number180056

Location1305 N Elm StHenderson, KY 42420 · Henderson County

Emergency services Birthing friendly

Other Providers at the Same Location NPPES 17

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

DR. MICHAEL TIMOTHY SPEARS JR. MD

Anesthesiology