Clarence Ly, NP - Medicare Nurse Practitioner in Upland, CA

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Clarence Ly, NP is a medicare enrolled "Nurse Practitioner" in Upland, California. He graduated from nursing school in 2024 and has 1 years of diverse experience with area of expertise as Nurse Practitioner. He is a member of the group practice Mukesh Amin Md And Tejinder Singh Md Inc and his current practice location is 914 W Foothill Blvd Ste B, Upland, California. You can reach out to his office (for appointments etc.) via phone at (909) 982-8944.

Clarence Ly is licensed to practice in California (license number NP95031960) 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 1356154595.

Contact Information

Clarence Ly, NP
914 W Foothill Blvd Ste B,
Upland, CA 91786-3785
(909) 982-8944
(909) 985-0932

Map and Direction




Provider's Profile

Full NameClarence Ly
GenderMale
SpecialityNurse Practitioner
Experience1 Years
Location914 W Foothill Blvd Ste B, Upland, California
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:
  • Clarence Ly graduated from nursing school in 2024
  NPI Data:
  • NPI Number: 1356154595
  • Provider Enumeration Date: 01/30/2025
  • Last Update Date: 03/13/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 7517497886
  • Enrollment ID: I20250217001064

Medical Identifiers

Medical identifiers for Clarence Ly such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1356154595NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner NP95031960 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mukesh Amin Md And Tejinder Singh Md Inc50927523452

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. Clarence Ly allows following entities to bill medicare on his behalf.
Entity NameMukesh Amin Md & Tejinder Singh Md Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932106382
PECOS PAC ID: 5092752345
Enrollment ID: O20050408000612

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. Clarence Ly 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
Clarence Ly, NP
914 W Foothill Blvd Ste B,
Upland, CA 91786-3785

Ph: (909) 982-8944		Clarence Ly, NP
914 W Foothill Blvd Ste B,
Upland, CA 91786-3785

Ph: (909) 982-8944

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.