Mrs Onyinye Nwankwo Ahamba, MD - Medicare Internal Medicine in Redlands, CA

Mrs Onyinye Nwankwo Ahamba, MD is a medicare enrolled "Hospitalist" physician in Redlands, California. She graduated from medical school in 2014 and has 10 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Southern California Permanente Medical Group and her current practice location is 2 W Fern Ave, Redlands, California. You can reach out to her office (for appointments etc.) via phone at (909) 786-0725.

Mrs Onyinye Nwankwo Ahamba is licensed to practice in California (license number A147546) 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 1164835237.

Contact Information

Mrs Onyinye Nwankwo Ahamba, MD
2 W Fern Ave,
Redlands, CA 92373
(909) 786-0725
Not Available

Map and Direction




Physician's Profile

Full NameMrs Onyinye Nwankwo Ahamba
GenderFemale
SpecialityInternal Medicine
Experience10 Years
Location2 W Fern Ave, Redlands, 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:
  • Mrs Onyinye Nwankwo Ahamba graduated from medical school in 2014
  NPI Data:
  • NPI Number: 1164835237
  • Provider Enumeration Date: 06/06/2014
  • Last Update Date: 12/07/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5597818153
  • Enrollment ID: I20171121001436

Medical Identifiers

Medical identifiers for Mrs Onyinye Nwankwo Ahamba such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164835237NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A147546 (California)Secondary
208M00000XHospitalist A147546 (California)Primary
207R00000XInternal Medicine MT207319 (Pennsylvania)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hospital Fontana/ontarioFontana, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern California Permanente Medical Group60027291757951

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. Mrs Onyinye Nwankwo Ahamba allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

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. Mrs Onyinye Nwankwo Ahamba 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
Mrs Onyinye Nwankwo Ahamba, MD
Po Box 10069,
San Bernardino, CA 92423-0069

Ph: () -
Mrs Onyinye Nwankwo Ahamba, MD
2 W Fern Ave,
Redlands, CA 92373

Ph: (909) 786-0725

Reviews and Comments


Hospitalist Doctors in Redlands, CA

Steven Sinfield, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2 W Fern Ave, Redlands, CA 92373
Phone: 909-793-3311    
Dr. Kevin Jan Chan, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 2 W Fern Ave, Redlands, CA 92373
Phone: 909-793-3311    
John Lee, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 2 W Fern Ave, Redlands, CA 92373
Phone: 909-335-5501    
Steve Girgis, M.D
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Medicare: Accepting Medicare Assignments
Practice Location: 2 W Fern Ave, Redlands, CA 92373
Phone: 909-786-0725    
Mrs. Agnes Arorong Esteva, AGACNP-BC
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 2 W Fern Ave, Redlands, CA 92373
Phone: 909-793-3311    
Dan Bich Thi Vo, DO
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 2 W Fern Ave, Redlands, CA 92373
Phone: 909-793-3311    
Adnan Mohsin, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1600 E Citrus Ave Ste A, Redlands, CA 92374
Phone: 909-794-3682    

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.