Dr Donald A Underwood, DO MD - Medicare Family Practice in San Bernardino, CA

Dr Donald A Underwood, DO MD is a medicare enrolled "Family Medicine" physician in San Bernardino, California. He went to College Of Medicine And Surgery and graduated in 1974 and has 50 years of diverse experience with area of expertise as Family Practice. He is a member of the group practice Inland Behavioral And Health Services Inc and his current practice location is 1963 North E Street, San Bernardino, California. You can reach out to his office (for appointments etc.) via phone at (909) 881-6146.

Dr Donald A Underwood is licensed to practice in California (license number 20A4681) 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 1598861817.

Contact Information

Dr Donald A Underwood, DO MD
1963 North E Street,
San Bernardino, CA 92405-3919
(909) 881-6146
(909) 881-0111

Map and Direction




Physician's Profile

Full NameDr Donald A Underwood
GenderMale
SpecialityFamily Practice
Experience50 Years
Location1963 North E Street, San Bernardino, 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 Donald A Underwood attended and graduated from College Of Medicine And Surgery in 1974
  NPI Data:
  • NPI Number: 1598861817
  • Provider Enumeration Date: 09/15/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 4880910371
  • Enrollment ID: I20150227000357

Medical Identifiers

Medical identifiers for Dr Donald A Underwood such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1598861817NPI-NPPES
FHC70520FMedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A4681 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Inland Behavioral And Health Services Inc27693929277

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 Donald A Underwood allows following entities to bill medicare on his behalf.
Entity NameInland Behavioral And Health Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1275562969
PECOS PAC ID: 2769392927
Enrollment ID: O20150421002236

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 Donald A Underwood 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 Donald A Underwood, DO MD
1963 North E Street,
San Bernardino, CA 92405-3919

Ph: (909) 881-6146
Dr Donald A Underwood, DO MD
1963 North E Street,
San Bernardino, CA 92405-3919

Ph: (909) 881-6146

Reviews and Comments


Family Medicine Doctors in San Bernardino, CA

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Hugo A. Leon, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 250 S G St, San Bernardino, CA 92410
Phone: 909-382-7100    Fax: 909-382-7101

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.