Justin Tolentino, PMHNP - Medicare Nurse Practitioner in Upland, CA

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Justin Tolentino, PMHNP is a medicare enrolled "Nurse Practitioner - Psychiatric/mental Health" in Upland, California. He graduated from nursing school in 2025 and has 1 years of diverse experience with area of expertise as Nurse Practitioner. His current practice location is 1113 Alta Ave Ste 106, Upland, California. You can reach out to his office (for appointments etc.) via phone at (909) 638-2475.

Justin Tolentino is licensed to practice in California (license number 95035349) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1144815754.

Contact Information

Justin Tolentino, PMHNP
1113 Alta Ave Ste 106,
Upland, CA 91786-2803
(909) 638-2475
Not Available

Map and Direction




Provider's Profile

Full NameJustin Tolentino
GenderMale
SpecialityNurse Practitioner
Experience1 Years
Location1113 Alta Ave Ste 106, Upland, California
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Justin Tolentino graduated from nursing school in 2025
  NPI Data:
  • NPI Number: 1144815754
  • Provider Enumeration Date: 03/05/2021
  • Last Update Date: 10/27/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6800375874
  • Enrollment ID: I20260210001362

Medical Identifiers

Medical identifiers for Justin Tolentino such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144815754NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
163WP0808XRegistered Nurse - Psychiatric/mental Health 95116951 (California)Secondary
363LP0808XNurse Practitioner - Psychiatric/mental Health 95035349 (California)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. Justin Tolentino allows following entities to bill medicare on his behalf.
Entity NameSameer Sunita Hassamal & Company, APC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1710691431
PECOS PAC ID: 8426411380
Enrollment ID: O20230825001524

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. Justin Tolentino 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
Justin Tolentino, PMHNP
1113 Alta Ave Ste 106,
Upland, CA 91786-2803

Ph: (909) 851-4029		Justin Tolentino, PMHNP
1113 Alta Ave Ste 106,
Upland, CA 91786-2803

Ph: (909) 638-2475

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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