Dr Midori Jane Nishio, MD - Medicare Rheumatology in Walnut Creek, CA

Dr Midori Jane Nishio, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Walnut Creek, California. She went to Medical College Of Wisconsin and graduated in 1982 and has 42 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice John Muir Physician Network and her current practice location is 1450 Treat Blvd, Ste 200, Walnut Creek, California. You can reach out to her office (for appointments etc.) via phone at (925) 280-9400.

Dr Midori Jane Nishio is licensed to practice in California (license number G50284) 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 1316010366.

Contact Information

Dr Midori Jane Nishio, MD
1450 Treat Blvd, Ste 200,
Walnut Creek, CA 94597-2168
(925) 280-9400
(925) 256-0448

Map and Direction




Physician's Profile

Full NameDr Midori Jane Nishio
GenderFemale
SpecialityRheumatology
Experience42 Years
Location1450 Treat Blvd, Walnut Creek, 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 Midori Jane Nishio attended and graduated from Medical College Of Wisconsin in 1982
  NPI Data:
  • NPI Number: 1316010366
  • Provider Enumeration Date: 11/16/2006
  • Last Update Date: 05/25/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 6406805431
  • Enrollment ID: I20050118000294

Medical Identifiers

Medical identifiers for Dr Midori Jane Nishio such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1316010366NPI-NPPES
P00159844OtherCARAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology G50284 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
John Muir Physician Network6608789813442

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 Midori Jane Nishio allows following entities to bill medicare on her behalf.
Entity NameJohn Muir Physician Network
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841407665
PECOS PAC ID: 6608789813
Enrollment ID: O20031226000143

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 Midori Jane Nishio 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 Midori Jane Nishio, MD
1450 Treat Blvd, Ste 300,
Walnut Creek, CA 94597-2168

Ph: () -
Dr Midori Jane Nishio, MD
1450 Treat Blvd, Ste 200,
Walnut Creek, CA 94597-2168

Ph: (925) 280-9400

Reviews and Comments


Internal Medicine Doctors in Walnut Creek, CA

Dr. Joseph Patrick Henry, M.D.
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Phone: 510-409-6511    Fax: 719-941-8247
Mr. Ramin Khashayar, MD
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Phone: 925-939-3050    Fax: 925-939-3057
Dr. Hennessey Tseng, M.D.
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Practice Location: 1450 Treat Blvd, Suite 220b, Walnut Creek, CA 94597
Phone: 925-937-1770    Fax: 925-937-0630
Dr. Ali-reza Barmaki, M.D.
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Dr. Cynthia M. Mullen, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 2637 Shadelands Dr, Walnut Creek, CA 94598
Phone: 925-322-2372    Fax: 925-322-6720
Mr. David Nathanson,
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Medicare: Medicare Enrolled
Practice Location: 320 Lennon Ln, Walnut Creek, CA 94598
Phone: 925-906-2000    
Mark D Nathan, MD
Rheumatology
Medicare: Accepting Medicare Assignments
Practice Location: 106 La Casa Via, #140, Walnut Creek, CA 94598
Phone: 925-274-2860    Fax: 925-932-4527

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.