Kristina K Ishihara, MD - Medicare Internal Medicine in Elk Grove, CA

Kristina K Ishihara, MD is a medicare enrolled "Internal Medicine" physician in Elk Grove, California. She went to Vanderbilt University School Of Medicine and graduated in 1997 and has 27 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Permanente Medical Group Inc and her current practice location is 9201 Big Horn Blvd, Elk Grove, California. You can reach out to her office (for appointments etc.) via phone at (916) 478-5000.

Kristina K Ishihara is licensed to practice in California (license number A68165) 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 1376621029.

Contact Information

Kristina K Ishihara, MD
9201 Big Horn Blvd,
Elk Grove, CA 95758-1240
(916) 478-5000
Not Available

Map and Direction




Physician's Profile

Full NameKristina K Ishihara
GenderFemale
SpecialityInternal Medicine
Experience27 Years
Location9201 Big Horn Blvd, Elk Grove, 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:
  • Kristina K Ishihara attended and graduated from Vanderbilt University School Of Medicine in 1997
  NPI Data:
  • NPI Number: 1376621029
  • Provider Enumeration Date: 11/01/2006
  • Last Update Date: 12/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3072793538
  • Enrollment ID: I20110215001235

Medical Identifiers

Medical identifiers for Kristina K Ishihara such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1376621029NPI-NPPES
00A681650MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A68165 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaiser Foundation Hosp So SacramentoSacramento, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Permanente Medical Group Inc89219102258376

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. Kristina K Ishihara allows following entities to bill medicare on her behalf.
Entity NamePermanente Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073606299
PECOS PAC ID: 8921910225
Enrollment ID: O20031104000710

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. Kristina K Ishihara 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
Kristina K Ishihara, MD
1800 Harrison St Fl 7,
Oakland, CA 94612-3466

Ph: (510) 625-6262
Kristina K Ishihara, MD
9201 Big Horn Blvd,
Elk Grove, CA 95758-1240

Ph: (916) 478-5000

Reviews and Comments


Internal Medicine Doctors in Elk Grove, CA

Dr. David Lee, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8220 Wymark Dr, Elk Grove, CA 95757
Phone: 916-667-0600    Fax: 916-683-0232
Mrs. Nichole Michelle Renschler, PAC
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8170 Laguna Blvd Ste 114, Elk Grove, CA 95758
Phone: 916-887-7940    Fax: 916-887-4045
Nina Kaur Khangura, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 8220 Wymark Dr, Suite 200, Elk Grove, CA 95757
Phone: 916-691-8500    Fax: 916-691-8599
Dr. Mira Roganovic, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8220 Wymark Drive, Suite 200, Elk Grove, CA 95757
Phone: 916-667-0600    Fax: 916-683-0232
Dr. Radhika Nandur Bukkapatnam, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8110 Laguna Blvd, Elk Grove, CA 95758
Phone: 916-683-3950    Fax: 916-683-3970
Dr. Eddy Y Joelson, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 8260 Longleaf Dr Bldg C, Elk Grove, CA 95758
Phone: 916-691-9827    
Mahmoud Khattab, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 9390 Big Horn Blvd, 145, Elk Grove, CA 95758
Phone: 916-691-6666    Fax: 916-691-6668

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.