Dr Nancy G Mattax, PHD - Medicare Psychologist in Springfield, MO

Dr Nancy G Mattax, PHD is a medicare enrolled "Psychologist - Clinical" provider in Springfield, Missouri. She graduated from medical school in 1989 and has 35 years of diverse experience with area of expertise as Clinical Psychologist. She is a member of the group practice Mercy Clinic Springfield Communities and her current practice location is 2030 S National Ave, Suite 105, Springfield, Missouri. You can reach out to her office (for appointments etc.) via phone at (417) 820-9590.

Dr Nancy G Mattax is licensed to practice in Missouri (license number 01483) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1154657385.

Contact Information

Dr Nancy G Mattax, PHD
2030 S National Ave, Suite 105,
Springfield, MO 65804-2222
(417) 820-9590
(417) 820-9592

Map and Direction




Healthcare Provider's Profile

Full NameDr Nancy G Mattax
GenderFemale
SpecialityClinical Psychologist
Experience35 Years
Location2030 S National Ave, Springfield, Missouri
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Nancy G Mattax graduated from medical school in 1989
  NPI Data:
  • NPI Number: 1154657385
  • Provider Enumeration Date: 10/22/2009
  • Last Update Date: 08/18/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6002940277
  • Enrollment ID: I20100810001145

Medical Identifiers

Medical identifiers for Dr Nancy G Mattax such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154657385NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
103TC0700XPsychologist - Clinical 01483 (Missouri)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic Springfield Communities7416865845922

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Nancy G Mattax allows following entities to bill medicare on her behalf.
Entity NameMercy Clinic Springfield Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1881636884
PECOS PAC ID: 7416865845
Enrollment ID: O20040823000021

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Nancy G Mattax is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Nancy G Mattax, PHD
Po Box 2580,
Springfield, MO 65801-2580

Ph: (417) 829-4620
Dr Nancy G Mattax, PHD
2030 S National Ave, Suite 105,
Springfield, MO 65804-2222

Ph: (417) 820-9590

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.