Dr Kassandra Sierra Martinez, MD - Medicare Family Medicine in San Juan, PR

Dr Kassandra Sierra Martinez, MD is a medicare enrolled "Family Medicine" physician in San Juan, Puerto Rico. Her current practice location is 862 Ave San Patricio, San Juan, Puerto Rico. You can reach out to her office (for appointments etc.) via phone at (787) 782-7060.

Dr Kassandra Sierra Martinez is licensed to practice in Puerto Rico (license number 18104) 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 1093902462.

Contact Information

Dr Kassandra Sierra Martinez, MD
862 Ave San Patricio,
San Juan, PR 00921-1308
(787) 782-7060
(787) 782-7060



Physician's Profile

Full NameDr Kassandra Sierra Martinez
GenderFemale
SpecialityFamily Medicine
Location862 Ave San Patricio, San Juan, Puerto Rico
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1093902462
  • Provider Enumeration Date: 10/01/2007
  • Last Update Date: 10/06/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 6406028638
  • Enrollment ID: I20111013000014

Medical Identifiers

Medical identifiers for Dr Kassandra Sierra Martinez such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093902462NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 18104 (Puerto Rico)Primary

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 Kassandra Sierra Martinez allows following entities to bill medicare on her behalf.
Entity NameConcilio De Salud Integral De Loiza Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1558664102
PECOS PAC ID: 6800990805
Enrollment ID: O20070402000080

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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 Kassandra Sierra Martinez 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 Kassandra Sierra Martinez, MD
862 Ave San Patricio,
San Juan, PR 00921-1308

Ph: (787) 782-7060
Dr Kassandra Sierra Martinez, MD
862 Ave San Patricio,
San Juan, PR 00921-1308

Ph: (787) 782-7060

News Archive

Mesoblast broadens cancer indications for bone marrow transplant product

Australian regenerative medicine company Mesoblast Limited (ASX: MSB, USOTC: MBLTY) today announced that it is broadening the oncology applications of its "off-the-shelf" cell product for expansion of haematopoietic stem cells in patients with blood cancers. Building on the recent clinical success of Mesoblast's proprietary cell product for expansion of cord blood, the Company will now address new markets where expansion of haematopoietic stem cells can make a meaningful impact on clinical outcomes, including diseases such as multiple myeloma.

SARS-CoV-2 variants neutralized by camel nanobodies

Researchers from the US recently isolated two VHH nanobodies - 7A3 and 8A2 - from dromedary camels (Camelus dromedaries) using phage display. These nanobodies were found to have a high affinity for the spike RBD and broad neutralization abilities against SARS-CoV-2 and its variants.

Global hospital sector investing in new equipment to drive efficiency gains & profitability, GE Capital research finds

Hospitals across the globe are becoming increasingly confident about their growth prospects for the year ahead despite rising costs and ongoing economic uncertainty, according to GE Capital's inaugural Hospital Sentiment Research – a report based on interviews with more than 380 senior hospital executives with responsibility for budget decisions over eight international markets.

Is niclosamide a potential SARS-CoV-2 antiviral inhibitor?

Niclosamide is an antihelminthic drug, historically used to treat tapeworm infestations, though has been investigated and repurposed for use against SARS-CoV-2. In a new study recently uploaded to the preprint server bioRxiv* by Garrett et al. (July 12, 2021), the drug demonstrates the ability to reorganize the lipid profile of SARS-CoV-2 infected Vero E6 cells, thereby limiting virus replication.

CRISPR-Cas9 can help knock out genes in exotic animals

The simplicity of CRISPR-Cas9 gene editing will soon make studying the genes of any organism, from the simplest slime mold to the octopus, as easy as it now is to study the genes controlling development in standard lab animals such as nematodes, fruit flies, frogs and mice.

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Family Medicine Doctors in San Juan, PR

Mr. Carlos I Maldonado Acevedo Sr., MD
Family Medicine
Medicare: Medicare Enrolled
Practice Location: Calle General Valero 1020 Urg Las Delicias, Rio Piedras, San Juan, PR 00924
Phone: 787-282-6534    Fax: 787-765-2841
Dr. Helen Rosa Santiago, M.D.
Family Medicine
Medicare: Accepting Medicare Assignments
Practice Location: Plaza Las Americas, Torre De Plaza Suite 601, San Juan, PR 00918
Phone: 787-764-7733    Fax: 787-764-4918
Catalina Maria Frau Nicole, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: University District Hospital,puerto Rico Medical Center, Bo. Monacillos, San Juan, PR 00935
Phone: 787-754-0101    
Kennice M Lopez-irizarry, M.D.
Family Medicine
Medicare: Medicare Enrolled
Practice Location: 2003 Ave Borinquen, San Juan, PR 00915
Phone: 787-268-4171    
Dr. Joany Bourdon, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: Barrio Monacillo, Carretera # 22 Paseo Dr. Jose C. Barbosa, San Juan, PR 00935
Phone: 787-777-3535    
Dr. Tamara Morales-serrano, MD
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 10 Calle Casia, San Juan, PR 00921
Phone: 787-641-7582    
Dr. Orlando Vallejo-rodriguez, M.D.
Family Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 803 Ave Hipodromo, San Juan, PR 00909
Phone: 787-724-3734    Fax: 787-724-1322

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