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MR. DEREK CHALMER LEE LMHC
NPI 1962045849
Counselor - Mental Health in Indianapolis, IN

Active since October 23, 2019PECOS Enrolled
720 ESKENAZI AVE, INDIANAPOLIS, IN 46202(317) 880-7666 Get Directions Write a Review

NPPES record last updated: October 15, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 30, 2021, Dec 30, 2019, Oct 23, 2019 (3 updates tracked since 2019).

About Mr. Derek Chalmer Lee Lmhc NPPES

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

MR. DEREK CHALMER LEE LMHC (NPI 1962045849) is an individual mental health provider in Indianapolis, Indiana, licensed in Indiana (39003671A) and active in the NPI registry since October 2019. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962045849
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. DEREK CHALMER LEECredential: LMHC
Location Address720 ESKENAZI AVEIndianapolis, IN 46202-5187
Mailing AddressPo Box 637764Cincinnati, OH 45263-7764 · (317) 880-3939
Phone(317) 880-7666
Sole ProprietorNo
Enumeration DateOctober 23, 2019
Last NPPES UpdateOctober 15, 20253 updates tracked since enumeration
NPPES CertifiedOctober 15, 2025
✔ NPI 1962045849 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 · 39003671A
720 ESKENAZI AVE, Indianapolis, IN 46202
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Derek Chalmer Lee Lmhc 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.

Medicare Billing Reassignment

Medicare enrollment records show Derek Lee reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Health And Hospital Corporation Of Marion County
Same address
Nurse Practitioner
720 ESKENAZI AVE
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 564 clinicians in this Medicare group
NPI 1104027879 (317) 880-4082

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

MRS. ALEXIS A DAVIS LCSW
Marriage & Family Therapist
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-8484
MRS. ASHLEY BROWNING NP
Nurse Practitioner
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
CHIEMELA U UBAGHARAJI MD
Internal Medicine
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
HANNAH MARIE WRIGHT
Social Worker (Clinical)
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-7666
KATHRYN IRENE FRANK RN, PHD
Registered Nurse
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-6583
ANISHKA KAPPALAYIL MD
Internal Medicine (Pulmonary Disease)
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
HEATHER AMOS RN
Registered Nurse (Emergency)
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 880-0000
CHRIS J HARTMAN MD
Emergency Medicine
720 ESKENAZI AVE
INDIANAPOLIS, IN 46202
Marion County (317) 639-6671

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 Derek Lee's NPI number?

The NPI number for Derek Lee is 1962045849. It was assigned to this individual provider in the NPPES registry on October 23, 2019.

Where is Derek Lee located?

Derek Lee practices at 720 Eskenazi Ave, Indianapolis, IN 46202. The listed phone number is (317) 880-7666.

What is Derek Lee's specialty?

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

Is Derek Lee enrolled in Medicare?

Yes. Derek Lee is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Derek Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Derek Lee reassigns Medicare benefits to The Health And Hospital Corporation Of Marion County (Indianapolis, IN). The 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 Derek Lee's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Derek Lee accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Derek Lee 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 Derek Lee was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.