Mr Calvin S Walker, PMHNP - Medicare Nurse Practitioner in Phoenix, AZ

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Mr Calvin S Walker, PMHNP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Phoenix, Arizona. His current practice location is 3111 N 31st Ave Ste A, Phoenix, Arizona. You can reach out to his office (for appointments etc.) via phone at (480) 908-5288.

Mr Calvin S Walker is licensed to practice in Illinois (license number 209.025201) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1215601943.

Contact Information

Mr Calvin S Walker, PMHNP
3111 N 31st Ave Ste A,
Phoenix, AZ 85017-5410
(480) 908-5288
Not Available

Map and Direction




Provider's Profile

Full NameMr Calvin S Walker
GenderMale
SpecialityNurse Practitioner - Psychiatric/mental Health
Location3111 N 31st Ave Ste A, Phoenix, Arizona
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1215601943
  • Provider Enumeration Date: 08/05/2021
  • Last Update Date: 08/13/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 8527444322
  • Enrollment ID: I20221003000286

Medical Identifiers

Medical identifiers for Mr Calvin S Walker such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215601943NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health 230428 (Arizona)Secondary
363LP0808XNurse Practitioner - Psychiatric/mental Health 209.025201 (Illinois)Primary

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. Mr Calvin S Walker allows following entities to bill medicare on his behalf.
Entity NameElemental Center Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033410477
PECOS PAC ID: 6305149196
Enrollment ID: O20160128001830
Entity NamePerspective Behavioral And Pain Solutions Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326671702
PECOS PAC ID: 1951732106
Enrollment ID: O20200504001274
Entity NameEdgewood Clinical Services P.c.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295914646
PECOS PAC ID: 3971963901
Enrollment ID: O20230721001228

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. Mr Calvin S Walker 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
Mr Calvin S Walker, PMHNP
16620 N 40th St Ste E1,
Phoenix, AZ 85032-3357

Ph: (602) 464-9576		Mr Calvin S Walker, PMHNP
3111 N 31st Ave Ste A,
Phoenix, AZ 85017-5410

Ph: (480) 908-5288

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).

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