Mark H Nishiki, MD - Medicare Pathology in Stockton, CA

Mark H Nishiki, MD is a medicare enrolled "Pathology - Anatomic Pathology & Clinical Pathology" physician in Stockton, California. He went to University Of Southern California Keck School Of Medicine and graduated in 1980 and has 44 years of diverse experience with area of expertise as Pathology. He is a member of the group practice Stockton Pathology Medical Group and his current practice location is 1800 N California St, Stockton, California. You can reach out to his office (for appointments etc.) via phone at (209) 943-2000.

Mark H Nishiki is licensed to practice in California (license number G56041) 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 1457385890.

Contact Information

Mark H Nishiki, MD
1800 N California St,
Stockton, CA 95204-6019
(209) 943-2000
Not Available

Map and Direction




Physician's Profile

Full NameMark H Nishiki
GenderMale
SpecialityPathology
Experience44 Years
Location1800 N California St, Stockton, 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:
  • Mark H Nishiki attended and graduated from University Of Southern California Keck School Of Medicine in 1980
  NPI Data:
  • NPI Number: 1457385890
  • Provider Enumeration Date: 07/10/2006
  • Last Update Date: 04/03/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5890719199
  • Enrollment ID: I20081205000639

Medical Identifiers

Medical identifiers for Mark H Nishiki such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457385890NPI-NPPES
G56041OtherCASTATE LICENCE
14573885890MedicaidCA
AY850ZOtherCACA MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207ZP0101XPathology - Anatomic Pathology G56041 (California)Secondary
207ZP0102XPathology - Anatomic Pathology & Clinical Pathology G56041 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Joseph's Medical Center Of StocktonStockton, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Stockton Pathology Medical Group88200734555

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. Mark H Nishiki allows following entities to bill medicare on his behalf.
Entity NameStockton Pathology Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871522680
PECOS PAC ID: 8820073455
Enrollment ID: O20040618001373
Entity NameCalifornia Pathology Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477582161
PECOS PAC ID: 8325015456
Enrollment ID: O20040916000717

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. Mark H Nishiki 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
Mark H Nishiki, MD
5700 Southwyck Blvd,
Toledo, OH 43614-1509

Ph: (800) 288-8325
Mark H Nishiki, MD
1800 N California St,
Stockton, CA 95204-6019

Ph: (209) 943-2000

Reviews and Comments


Pathology Doctors in Stockton, CA

Robert D Lawrence, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 2291 W March Ln, Suite 179e, Stockton, CA 95207
Phone: 209-477-4432    Fax: 209-320-6136
Yafei Ren, MD
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Practice Location: 7373 West Ln, Stockton, CA 95210
Phone: 209-476-2000    
Stephen G Connolly, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 2131 N California St, Stockton, CA 95204
Phone: 209-473-6555    Fax: 209-473-6544
Hong Li, MD
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Practice Location: 7373 West Ln, Stockton, CA 95210
Phone: 209-476-5989    
David P Enfield, MD
Pathology
Medicare: Not Enrolled in Medicare
Practice Location: 1800 N California St, Stockton, CA 95204
Phone: 209-473-6555    Fax: 209-473-6544
Thomas L Yu, MD
Pathology
Medicare: Accepting Medicare Assignments
Practice Location: 1800 N California St, Stockton, CA 95204
Phone: 209-943-2000    

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.