Dr Geraldine C Diaz, DO is a medicare enrolled "Anesthesiology" physician in Brentwood, New York. She went to Loyola University Of Chicago, Stritch School Of Medicine and graduated in 2010 and has 16 years of diverse experience with area of expertise as Anesthesiology. She is a member of the group practice Northern Valley Anesthesiology Pa, Montefiore Medical Center and her current practice location is
601 Suffolk Ave, Brentwood, New York. You can reach out to her office (for appointments etc.) via phone at
(631) 231-4455.
Dr Geraldine C Diaz is licensed to practice in New York (license number 225683) and she also participates in the medicare program. She
may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1003987967.
Physician's Profile
| Full Name | Dr Geraldine C Diaz |
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| Gender | Female |
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| Speciality | Anesthesiology |
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| Experience | 16 Years |
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| Location | 601 Suffolk Ave, Brentwood, New York |
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| Accepts Medicare Assignments | May be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance. |
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Medical Education and Training:
- Dr Geraldine C Diaz attended and graduated from Loyola University Of Chicago, Stritch School Of Medicine in 2010
NPI Data:
- NPI Number: 1003987967
- Provider Enumeration Date: 11/13/2006
- Last Update Date: 01/30/2026
Medicare PECOS Information:
- PECOS PAC ID: 3375544935
- Enrollment ID: I20070124000564
Medical Identifiers
Medical identifiers for Dr Geraldine C Diaz such as npi, medicare ID, medicare PIN, medicaid, etc.
| Identifier | Type | State | Issuer |
|---|
| 1003987967 | NPI | - | NPPES |
| Z120519 | Other | AZ | MEDICARE |
Medical Taxonomies and Licenses
| Taxonomy | Type | License (State) | Status |
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| 207L00000X | Anesthesiology | 036126434 (Illinois) | Secondary |
| 207LC0200X | Anesthesiology - Critical Care Medicine | 036126434 (Illinois) | Secondary |
| 207L00000X | Anesthesiology | 225683 (New York) | Primary |
Medical Facilities Affiliation
Group Practice Association
| Group Practice Name | Group PECOS PAC ID | No. of Members |
|---|
| Northern Valley Anesthesiology Pa | 0749194868 | 83 |
| Montefiore Medical Center | 3779496021 | 2350 |
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 Geraldine C Diaz allows following entities to bill medicare on her behalf.
| Entity Name | Montefiore Medical Center |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1063525152
PECOS PAC ID: 3779496021
Enrollment ID: O20031113000235 |
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| Entity Name | New York Cardiovascular Anesthesiologists, P.c. |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1801834411
PECOS PAC ID: 5799676623
Enrollment ID: O20040322000941 |
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| Entity Name | Northern Valley Anesthesiology Pa |
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| Entity Type | Part B Supplier - Clinic/group Practice |
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| Entity Identifiers | NPI Number: 1245289487
PECOS PAC ID: 0749194868
Enrollment ID: O20151023001503 |
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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 Geraldine C Diaz 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 |
|---|
Dr Geraldine C Diaz, DO
450 Clarkson Ave Ste 6,
Brooklyn, NY 11203-2012
Ph: (718) 270-2331 | Dr Geraldine C Diaz, DO
601 Suffolk Ave,
Brentwood, NY 11717-4309
Ph: (631) 231-4455 |
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