Dr Arleen Guerrero-nieva, MD - Medicare Internal Medicine in Long Beach, CA

Dr Arleen Guerrero-nieva, MD is a medicare enrolled "Internal Medicine" physician in Long Beach, California. She graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Internal Medicine. Her current practice location is 330 W Willow St, Long Beach, California. You can reach out to her office (for appointments etc.) via phone at (562) 595-9835.

Dr Arleen Guerrero-nieva is licensed to practice in California (license number A068932) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1023024346.

Contact Information

Dr Arleen Guerrero-nieva, MD
330 W Willow St,
Long Beach, CA 90806-2802
(562) 595-9835
(562) 424-8715

Map and Direction




Physician's Profile

Full NameDr Arleen Guerrero-nieva
GenderFemale
SpecialityInternal Medicine
Experience41 Years
Location330 W Willow St, Long Beach, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Arleen Guerrero-nieva graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1023024346
  • Provider Enumeration Date: 07/31/2006
  • Last Update Date: 10/03/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 0244489177
  • Enrollment ID: I20121009000272

Medical Identifiers

Medical identifiers for Dr Arleen Guerrero-nieva such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1023024346NPI-NPPES
00A689320MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A068932 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Long Beach Memorial Medical CenterLong beach, CAHospital

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 Arleen Guerrero-nieva allows following entities to bill medicare on her behalf.
Entity NameArleen Guerrero Nieva, M.d., Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568767986
PECOS PAC ID: 9335398262
Enrollment ID: O20121009000255

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 Arleen Guerrero-nieva 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 Arleen Guerrero-nieva, MD
330 W Willow St,
Long Beach, CA 90806-2802

Ph: (562) 595-9835
Dr Arleen Guerrero-nieva, MD
330 W Willow St,
Long Beach, CA 90806-2802

Ph: (562) 595-9835

Reviews and Comments


Internal Medicine Doctors in Long Beach, CA

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Phone: 562-595-5421    Fax: 562-426-2862
Dr. Maurice A Bell, MD
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Medicare: Accepting Medicare Assignments
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Katya C Corado, M.D.
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Phone: 562-599-8601    Fax: 562-218-0853
Dr. Diane L. Johnson, M.D.
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Practice Location: 65 Pine Ave, #19, Long Beach, CA 90802
Phone: 714-402-4685    Fax: 562-856-0389

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.