Dr Mark I Grijnsztein, MD is a medicare enrolled "Allergy & Immunology" physician in Elk Grove, California. He graduated from medical school in 1998 and has 26 years of diverse experience with area of expertise as Allergy/immunology. He is a member of the group practice Sutter Valley Medical Foundation and his current practice location is
8170 Laguna Blvd, Suite 200, Elk Grove, California. You can reach out to his office (for appointments etc.) via phone at
(916) 478-6555.
Dr Mark I Grijnsztein is licensed to practice in California (license number A96813) 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 1164580866.
Physician's Profile
| Full Name | Dr Mark I Grijnsztein |
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| Gender | Male |
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| Speciality | Allergy/immunology |
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| Experience | 26 Years |
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| Location | 8170 Laguna Blvd, Elk Grove, California |
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| Accepts Medicare Assignments | Yes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Dr Mark I Grijnsztein graduated from medical school in 1998
NPI Data:
- NPI Number: 1164580866
- Provider Enumeration Date: 12/05/2006
- Last Update Date: 07/29/2015
Medicare PECOS Information:
- PECOS PAC ID: 5698737666
- Enrollment ID: I20070111000313
Medical Identifiers
Medical identifiers for Dr Mark I Grijnsztein such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
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| 1164580866 | NPI | - | NPPES |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 207K00000X | Allergy & Immunology | A96813 (California) | Primary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
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| Sutter Valley Medical Foundation | 9830094515 | 1840 |
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 Mark I Grijnsztein allows following entities to bill medicare on his behalf.
| Entity Name | Sutter Valley Medical Foundation |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1669846986
PECOS PAC ID: 9830094515
Enrollment ID: O20090311000335 |
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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 Mark I Grijnsztein 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 Address | Practice Location Address |
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Dr Mark I Grijnsztein, MD
10470 Old Placerville Rd, Suite 100,
Sacramento, CA 95827-2539
Ph: (800) 470-0071 | Dr Mark I Grijnsztein, MD
8170 Laguna Blvd, Suite 200,
Elk Grove, CA 95758-7901
Ph: (916) 478-6555 |
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