Mark Allen Williams, PMHNP-BC - Medicare Nurse Practitioner in Mesa, AZ

Mark Allen Williams, PMHNP-BC is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Mesa, Arizona. He graduated from nursing school in 2021 and has 3 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice Denova Collaborative Health, Llc and his current practice location is 2204 S Dobson Rd Ste 102, Mesa, Arizona. You can reach out to his office (for appointments etc.) via phone at (602) 230-7373.

Mark Allen Williams is licensed to practice in Arizona (license number AP-263407) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1023786225.

Contact Information

Mark Allen Williams, PMHNP-BC
2204 S Dobson Rd Ste 102,
Mesa, AZ 85202-6457
(602) 230-7373
(480) 628-8577

Map and Direction




Provider's Profile

Full NameMark Allen Williams
GenderMale
SpecialityNurse Practitioner
Experience3 Years
Location2204 S Dobson Rd Ste 102, Mesa, Arizona
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Mark Allen Williams graduated from nursing school in 2021
  NPI Data:
  • NPI Number: 1023786225
  • Provider Enumeration Date: 09/01/2021
  • Last Update Date: 11/30/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 0547658775
  • Enrollment ID: I20211020003103

Medical Identifiers

Medical identifiers for Mark Allen Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023786225NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LP0808XNurse Practitioner - Psychiatric/mental Health RNP263407 (Arizona)Secondary
363LP0808XNurse Practitioner - Psychiatric/mental Health AP-263407 (Arizona)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Denova Collaborative Health, Llc246643773684

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. Mark Allen Williams allows following entities to bill medicare on his behalf.
Entity NameDenova Collaborative Health, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609300854
PECOS PAC ID: 2466437736
Enrollment ID: O20040621001542

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. Mark Allen Williams 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
Mark Allen Williams, PMHNP-BC
3101 N Central Ave Ste 550,
Phoenix, AZ 85012-2635

Ph: (602) 230-7373
Mark Allen Williams, PMHNP-BC
2204 S Dobson Rd Ste 102,
Mesa, AZ 85202-6457

Ph: (602) 230-7373

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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