Matthew Ryan Masur, - Medicare Military Health Care Provider in San Diego, CA

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Matthew Ryan Masur, is a medicare enrolled "Military Health Care Provider" physician in San Diego, California. His current practice location is 200 W Arbor Dr, San Diego, California. You can reach out to his office (for appointments etc.) via phone at (800) 926-8273.

Matthew Ryan Masur is licensed to practice in * (Not Available) (license number ) 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 1982299806.

Contact Information

Matthew Ryan Masur,
200 W Arbor Dr,
San Diego, CA 92103-9000
(800) 926-8273
(888) 539-8781

Map and Direction




Physician's Profile

Full NameMatthew Ryan Masur
GenderMale
SpecialityMilitary Health Care Provider
Location200 W Arbor Dr, San Diego, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1982299806
  • Provider Enumeration Date: 03/03/2021
  • Last Update Date: 05/05/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 1557889631
  • Enrollment ID: I20250513003400

Medical Identifiers

Medical identifiers for Matthew Ryan Masur such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1982299806NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207L00000XAnesthesiology A180263 (California)Secondary
171000000XMilitary Health Care Provider (* (Not Available))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. Matthew Ryan Masur allows following entities to bill medicare on his behalf.
Entity NameRegents Of The University Of California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1356444897
PECOS PAC ID: 3577476761
Enrollment ID: O20040109000444

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. Matthew Ryan Masur 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
Matthew Ryan Masur,
File 57326,
Los Angeles, CA 90074-7326

Ph: (800) 926-8273		Matthew Ryan Masur,
200 W Arbor Dr,
San Diego, CA 92103-9000

Ph: (800) 926-8273

Reviews and Comments



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.