Dr Joseph Manuel Alonzo, MD - Medicare Internal Medicine in Covina, CA

Dr Joseph Manuel Alonzo, MD is a medicare enrolled "Internal Medicine" physician in Covina, California. He went to University Of California, Geffen School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Healthcare Partners Affiliates Medical Group and his current practice location is 420 W Rowland St, Covina, California. You can reach out to his office (for appointments etc.) via phone at (626) 331-6411.

Dr Joseph Manuel Alonzo is licensed to practice in California (license number A45798) 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 1225077050.

Contact Information

Dr Joseph Manuel Alonzo, MD
420 W Rowland St,
Covina, CA 91723-2943
(626) 331-6411
(626) 251-1559

Map and Direction




Physician's Profile

Full NameDr Joseph Manuel Alonzo
GenderMale
SpecialityInternal Medicine
Experience40 Years
Location420 W Rowland St, Covina, 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:
  • Dr Joseph Manuel Alonzo attended and graduated from University Of California, Geffen School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1225077050
  • Provider Enumeration Date: 06/06/2006
  • Last Update Date: 05/04/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 6709939663
  • Enrollment ID: I20090725000117

Medical Identifiers

Medical identifiers for Dr Joseph Manuel Alonzo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225077050NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A45798 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Healthcare Partners Affiliates Medical Group7315842002645

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. Dr Joseph Manuel Alonzo allows following entities to bill medicare on his behalf.
Entity NameMagan Medical Clinic, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1588748024
PECOS PAC ID: 1658284195
Enrollment ID: O20031110000765
Entity NameHealthcare Partners Affiliates Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1659312593
PECOS PAC ID: 7315842002
Enrollment ID: O20031204001258

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. Dr Joseph Manuel Alonzo 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
Dr Joseph Manuel Alonzo, MD
420 W Rowland St,
Covina, CA 91723-2943

Ph: (626) 331-6411
Dr Joseph Manuel Alonzo, MD
420 W Rowland St,
Covina, CA 91723-2943

Ph: (626) 331-6411

Reviews and Comments


Internal Medicine Doctors in Covina, CA

Dr. Nemish S. Patel, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 420 W Rowland St, Covina, CA 91723
Phone: 626-331-6411    
Hani H Hashem, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 546 W Badillo St Ste D, Covina, CA 91722
Phone: 626-331-2222    Fax: 625-331-2233
Dr. Remedios Lucero Almirante, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 605 E Badillo St, Suite 300, Covina, CA 91723
Phone: 626-974-0440    Fax: 626-974-0450
Arlene L. Nepomuceno,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 420 W Rowland St, Covina, CA 91723
Phone: 626-331-6411    Fax: 626-251-1559
Dr. Laxmi Acharya Suthar,
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1433 N Hollenbeck Ave, Suite 200, Covina, CA 91722
Phone: 626-331-2209    
Dr. Anne Violet Quismorio, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 500 W San Bernardino Rd, Suite A, Covina, CA 91722
Phone: 626-966-1909    
Ms. Kerry Jo Corboy, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1441 East Adams Park Drive, Covina, CA 91724
Phone: 626-331-6988    

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.

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