Greisha Marie Gonzalez Santiago, MD - Medicare Hospitalist in Ponce, PR

Greisha Marie Gonzalez Santiago, MD is a medicare enrolled "Hospitalist" physician in Ponce, Puerto Rico. Her current practice location is 305 Calle Beato Francisco Palau, Ponce, Puerto Rico. You can reach out to her office (for appointments etc.) via phone at (787) 421-2747.

Greisha Marie Gonzalez Santiago is licensed to practice in Puerto Rico (license number 22239) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1275047052.

Contact Information

Greisha Marie Gonzalez Santiago, MD
305 Calle Beato Francisco Palau,
Ponce, PR 00728-1908
(787) 421-2747
Not Available



Physician's Profile

Full NameGreisha Marie Gonzalez Santiago
GenderFemale
SpecialityHospitalist
Location305 Calle Beato Francisco Palau, Ponce, Puerto Rico
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1275047052
  • Provider Enumeration Date: 12/01/2017
  • Last Update Date: 07/14/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 5294101812
  • Enrollment ID: I20221027000051

Medical Identifiers

Medical identifiers for Greisha Marie Gonzalez Santiago such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275047052NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 22239 (Puerto Rico)Primary
207R00000XInternal Medicine 22239 (Puerto Rico)Secondary

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. Greisha Marie Gonzalez Santiago allows following entities to bill medicare on her behalf.
Entity NameHope Health Psc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1609186212
PECOS PAC ID: 6608001854
Enrollment ID: O20131024001557

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Entity NameHope Med Psc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1265003198
PECOS PAC ID: 5294138566
Enrollment ID: O20210723001727

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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. Greisha Marie Gonzalez Santiago 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
Greisha Marie Gonzalez Santiago, MD
Carr 435 Km 3.3 Int,
San Sebastian, PR 00685

Ph: (787) 421-2747
Greisha Marie Gonzalez Santiago, MD
305 Calle Beato Francisco Palau,
Ponce, PR 00728-1908

Ph: (787) 421-2747

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Hospitalist Doctors in Ponce, PR

Mrs. Yvonne O Casta Vega, MD
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: Edificio Concordia Suite 501, Calle Concordia 8129, Ponce, PR 00717
Phone: 787-841-9319    
Suleyka Milagros Olivero-rivera,
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: Hospital San Lucas, Ponce, PR 00716
Phone: 787-844-2078    Fax: 787-844-2545
Dr. Edgard O Diaz, M.D.
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 2213 Ponce By Pass, Ponce, PR 00717
Phone: 787-840-8686    Fax: 787-841-7228
Dr. Rebeca I Mendez, M.D.
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 917 Ave Tito Castro, Ponce, PR 00716
Phone: 787-844-6060    Fax: 787-841-7228
Dr. Hector F Diaz, M.D.
Hospitalist
Medicare: Not Enrolled in Medicare
Practice Location: 917 Ave Tito Castro, Ponce, PR 00716
Phone: 787-844-2080    
Dr. Lourdes R Perez, MD
Hospitalist
Medicare: Medicare Enrolled
Practice Location: Calle Concordia #8118, Galena Profesional Suite 105, Ponce, PR 00717
Phone: 787-844-3067    

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