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DR. MARK HEWITT GRAESER D. MIN.
NPI 1932472149
Counselor - Mental Health in Indianapolis, IN

Active since February 17, 2012PECOS Enrolled
1525 PROSPECT ST, INDIANAPOLIS, IN 46203(317) 413-6028(317) 245-2193 Get Directions Write a Review

NPPES record last updated: September 17, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Sep 17, 2025, Nov 23, 2021 (2 updates tracked since 2021).

About Dr. Mark Hewitt Graeser D. Min. NPPES

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

DR. MARK HEWITT GRAESER D. MIN. (NPI 1932472149) is an individual mental health provider in Indianapolis, Indiana, licensed in Indiana (39002334A) and active in the NPI registry since February 2012. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932472149
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameDR. MARK HEWITT GRAESERCredential: D. MIN.
Location Address1525 PROSPECT STIndianapolis, IN 46203-2053
Mailing AddressPo Box 637764Cincinnati, OH 45263-7764 · (317) 880-3939
Phone(317) 413-6028
Fax(317) 245-2193
Sole ProprietorYes
Enumeration DateFebruary 17, 2012
Last NPPES UpdateSeptember 17, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2025
✔ NPI 1932472149 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IN · 39002334A
1525 PROSPECT ST, Indianapolis, IN 46203
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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 (PECOS)

Dr. Mark Hewitt Graeser D. Min. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Other Providers at the Same Location NPPES 3

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

DONNA S POLLARD MA, BCC, LMHC
Counselor (Mental Health)
1525 PROSPECT ST
INDIANAPOLIS, IN 46203
Marion County (317) 440-7444
ORION COUNSELING LLC
Social Worker (Clinical)
1525 PROSPECT ST
INDIANAPOLIS, IN 46203
Marion County (317) 225-0380
MARIAN FRICK RIGSBEE LCSW
Social Worker (Clinical)
1525 PROSPECT ST
INDIANAPOLIS, IN 46203
Marion County (317) 225-0380

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 Mark Graeser's NPI number?

The NPI number for Mark Graeser is 1932472149. It was assigned to this individual provider in the NPPES registry on February 17, 2012.

Where is Mark Graeser located?

Mark Graeser practices at 1525 Prospect St, Indianapolis, IN 46203. The listed phone number is (317) 413-6028.

What is Mark Graeser's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Mark Graeser enrolled in Medicare?

Yes. Mark Graeser is registered in the Medicare PECOS enrollment system.

What insurance does Mark Graeser accept?

Health plans from CareSource list Mark Graeser 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 Mark Graeser was last updated on September 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.