Krystal Rexanne Alexander, - Medicare Internal Medicine in Stony Brook, NY

Krystal Rexanne Alexander, is a medicare enrolled "Internal Medicine - Pulmonary Disease" physician in Stony Brook, New York. Her current practice location is 101 Nicolls Rd, Stony Brook, New York. You can reach out to her office (for appointments etc.) via phone at (631) 444-3869.

Krystal Rexanne Alexander is licensed to practice in New York (license number 325210) 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 1841721214.

Contact Information

Krystal Rexanne Alexander,
101 Nicolls Rd,
Stony Brook, NY 11794-2762
(631) 444-3869
Not Available



Physician's Profile

Full NameKrystal Rexanne Alexander
GenderFemale
SpecialityInternal Medicine - Pulmonary Disease
Location101 Nicolls Rd, Stony Brook, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1841721214
  • Provider Enumeration Date: 03/27/2017
  • Last Update Date: 08/12/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 3971927112
  • Enrollment ID: I20230918002636

Medical Identifiers

Medical identifiers for Krystal Rexanne Alexander such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1841721214NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0200XInternal Medicine - Critical Care Medicine 325210 (New York)Secondary
207RP1001XInternal Medicine - Pulmonary Disease 325210 (New York)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. Krystal Rexanne Alexander allows following entities to bill medicare on her behalf.
Entity NameStony Brook Internists University Faculty Practice Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295778371
PECOS PAC ID: 9133019821
Enrollment ID: O20040317000450

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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. Krystal Rexanne Alexander 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
Krystal Rexanne Alexander,
101 Nicolls Rd,
Stony Brook, NY 11794-0001

Ph: (631) 444-3869
Krystal Rexanne Alexander,
101 Nicolls Rd,
Stony Brook, NY 11794-2762

Ph: (631) 444-3869

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Internal Medicine Doctors in Stony Brook, NY

Mohamed Hassan Kamel, MD
Pulmonary Disease
Medicare: Medicare Enrolled
Practice Location: Stony Brook University Hospital 101 Nicolls Road, Stony Brook, NY 11794
Phone: 631-689-8333    
Narinder Singh, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 101 Nicolls Rd, Stony Brook, NY 11794
Phone: 631-444-4000    
Dr. Andrzej Kudelka, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 3 Pellegrino Rd, Z8151, Stony Brook, NY 11794
Phone: 631-638-0910    Fax: 631-638-0195
Saverio J Barbera, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: Health Science Center Nicolls Road, T-16-080, Stony Brook, NY 11794
Phone: 631-444-3575    Fax: 631-444-1054
Dr. Richard Lin, M.D.
Pulmonary Disease
Medicare: Not Enrolled in Medicare
Practice Location: University Hospital, L5, Stony Brook, NY 11794
Phone: 631-444-2540    
Dr. Ajay Malhotra, MD
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: Hsc L4 Rm 120, Stony Brook, NY 11794
Phone: 631-444-5400    Fax: 631-444-7538
Dr. John Anthony Savino Iii, M.D.
Pulmonary Disease
Medicare: Accepting Medicare Assignments
Practice Location: 1320 Stony Brook Rd Bldg D, Stony Brook, NY 11790
Phone: 212-241-1653    Fax: 212-289-6393

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