Dr William Joshua Grief, MD - Medicare Pain Management in Salinas, CA

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Dr William Joshua Grief, MD is a medicare enrolled "Pain Medicine - Interventional Pain Medicine" physician in Salinas, California. He went to Uniformed Services Uhs Fe Hebert School Of Med and graduated in 2000 and has 25 years of diverse experience with area of expertise as Pain Management. He is a member of the group practice Integrated Pain Management Medical Group Inc and his current practice location is 905 N Main St, Salinas, California. You can reach out to his office (for appointments etc.) via phone at (831) 240-4040.

Dr William Joshua Grief is licensed to practice in California (license number C54364) 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 1790873545.

Contact Information

Dr William Joshua Grief, MD
905 N Main St,
Salinas, CA 93906-3912
(831) 240-4040
Not Available

Map and Direction




Physician's Profile

Full NameDr William Joshua Grief
GenderMale
SpecialityPain Management
Experience25 Years
Location905 N Main St, Salinas, 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 William Joshua Grief attended and graduated from Uniformed Services Uhs Fe Hebert School Of Med in 2000
  NPI Data:
  • NPI Number: 1790873545
  • Provider Enumeration Date: 10/10/2006
  • Last Update Date: 08/24/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 6204050339
  • Enrollment ID: I20200717002176

Medical Identifiers

Medical identifiers for Dr William Joshua Grief such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790873545NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine C54364 (California)Secondary
208VP0000XPain Medicine - Pain Medicine C54364 (California)Secondary
208VP0014XPain Medicine - Interventional Pain Medicine C54364 (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Integrated Pain Management Medical Group Inc054725291835

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 William Joshua Grief allows following entities to bill medicare on his behalf.
Entity NameIntegrated Pain Management Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922198779
PECOS PAC ID: 0547252918
Enrollment ID: O20040402001211
Entity NameNavani Pain Management Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1437339686
PECOS PAC ID: 4385722594
Enrollment ID: O20080428000670

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 William Joshua Grief 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 William Joshua Grief, MD
Po Box 326,
Pebble Beach, CA 93953-0326

Ph: (910) 574-7606		Dr William Joshua Grief, MD
905 N Main St,
Salinas, CA 93906-3912

Ph: (831) 240-4040

Reviews and Comments


Pain Medicine Doctors in Salinas, CA


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).

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