TAMARA MARIE GRZESIK LMHC
NPI 1134367147
Counselor - Mental Health in Merrillville, IN

Active since January 29, 2009PECOS EnrolledAccepts Medicare Assignment
1441 E 84TH PL, MERRILLVILLE, IN 46410(219) 794-2000(219) 794-2010 Get Directions Write a Review

NPPES record last updated: February 13, 2013. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Tamara Marie Grzesik Lmhc NPPES

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

TAMARA MARIE GRZESIK LMHC (NPI 1134367147) is an individual mental health provider in Merrillville, Indiana, licensed in Indiana (39002452A) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1134367147
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameTAMARA MARIE GRZESIKCredential: LMHC
Location Address1441 E 84TH PLMerrillville, IN 46410-6451
Mailing Address8400 Louisiana StMerrillville, IN 46410-6385 · (219) 757-1928 · Fax (219) 757-1950
Fax(219) 794-2010
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateJanuary 29, 2009
Last NPPES UpdateFebruary 13, 2013
NPI 1134367147 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 · 39002452A
1441 E 84TH PL, Merrillville, IN 46410

Accepted Insurance

Medicare Participation & PECOS Enrollment Status

Tamara Grzesik is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Tamara Grzesik is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging and Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 4486002102

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20231118000405

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Psychologist (Clinical)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Social Worker (Clinical)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Counselor (Mental Health)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Social Worker (Clinical)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Social Worker
1441 E 84TH PL
MERRILLVILLE, IN 46410
Counselor (Mental Health)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Counselor (Mental Health)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Counselor (Mental Health)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Psychologist (Clinical)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Social Worker
1441 E 84TH PL
MERRILLVILLE, IN 46410
Case Manager/Care Coordinator
1441 E 84TH PL
MERRILLVILLE, IN 46410
Counselor (Mental Health)
1441 E 84TH PL
MERRILLVILLE, IN 46410
Student in an Organized Health Care Education/Training Program
1441 E 84TH PL
MERRILLVILLE, IN 46410
Student in an Organized Health Care Education/Training Program
1441 E 84TH PL
MERRILLVILLE, IN 46410
Registered Nurse
1441 E 84TH PL
MERRILLVILLE, IN 46410

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1134367147, enumerated as an "individual" on January 29, 2009.

The provider is located at 1441 E 84TH PL MERRILLVILLE, IN 46410 and the phone number is (219) 794-2000.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.

The provider might be accepting Accepts: Ambetter from Buckeye Health Plan, Ambetter from. Please consult your insurance carrier or call the provider to verify.