Dr Eric J Grigsby, MD - Medicare Pain Management in Napa, CA

Dr Eric J Grigsby, MD is a medicare enrolled "Pain Medicine - Pain Medicine" physician in Napa, California. He went to Boston University School Of Medicine and graduated in 1984 and has 40 years of diverse experience with area of expertise as Pain Management. He is a member of the group practice Spectrumcare Rehabilitation Medical and his current practice location is 3434 Villa Ln, Suite 150, Napa, California. You can reach out to his office (for appointments etc.) via phone at (707) 252-9666.

Dr Eric J Grigsby is licensed to practice in California (license number G648480) 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 1952328494.

Contact Information

Dr Eric J Grigsby, MD
3434 Villa Ln, Suite 150,
Napa, CA 94558-6405
(707) 252-9666
(707) 258-2780



Physician's Profile

Full NameDr Eric J Grigsby
GenderMale
SpecialityPain Management
Experience40 Years
Location3434 Villa Ln, Napa, 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 Eric J Grigsby attended and graduated from Boston University School Of Medicine in 1984
  NPI Data:
  • NPI Number: 1952328494
  • Provider Enumeration Date: 07/17/2006
  • Last Update Date: 09/21/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3577587526
  • Enrollment ID: I20060118000322

Medical Identifiers

Medical identifiers for Dr Eric J Grigsby such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1952328494NPI-NPPES
00G648480MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208VP0000XPain Medicine - Pain Medicine G648480 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Queen Of The Valley Medical CenterNapa, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Spectrumcare Rehabilitation Medical27694508734

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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 Eric J Grigsby allows following entities to bill medicare on his behalf.
Entity NameSpectrumcare Rehabilitation Medical
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477578201
PECOS PAC ID: 2769450873
Enrollment ID: O20040916001372

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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 Eric J Grigsby 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 Eric J Grigsby, MD
Po Box 5510,
Napa, CA 94581-0510

Ph: (707) 252-9666
Dr Eric J Grigsby, MD
3434 Villa Ln, Suite 150,
Napa, CA 94558-6405

Ph: (707) 252-9666

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Pain Medicine Doctors in Napa, CA


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