Leigh Ann P Callahan, MD - Medicare Internal Medicine in Lexington, KY

Leigh Ann P Callahan, MD is a medicare enrolled "Internal Medicine - Critical Care Medicine" physician in Lexington, Kentucky. Her current practice location is 800 Rose Street, University Of Kentucky - Division Of Pulmonary, Lexington, Kentucky. You can reach out to her office (for appointments etc.) via phone at (859) 323-5045.

Leigh Ann P Callahan is licensed to practice in Kentucky (license number 41029) 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 1396855037.

Contact Information

Leigh Ann P Callahan, MD
800 Rose Street, University Of Kentucky - Division Of Pulmonary,
Lexington, KY 40536
(859) 323-5045
(859) 257-2418

Map and Direction




Physician's Profile

Full NameLeigh Ann P Callahan
GenderFemale
SpecialityInternal Medicine - Critical Care Medicine
Location800 Rose Street, Lexington, Kentucky
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1396855037
  • Provider Enumeration Date: 08/30/2006
  • Last Update Date: 08/22/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 7810921079
  • Enrollment ID: I20070807000071

Medical Identifiers

Medical identifiers for Leigh Ann P Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1396855037NPI-NPPES
000452262BMedicaidGA
710000760MedicaidKY
G28033MedicaidSC

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RP1001XInternal Medicine - Pulmonary Disease 028033 (Georgia)Secondary
207RP1001XInternal Medicine - Pulmonary Disease 41029 (Kentucky)Secondary
207RC0200XInternal Medicine - Critical Care Medicine 41029 (Kentucky)Primary
207R00000XInternal Medicine 41029 (Kentucky)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. Leigh Ann P Callahan allows following entities to bill medicare on her behalf.
Entity NameUniversity Of Kentucky
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1770771974
PECOS PAC ID: 3072425289
Enrollment ID: O20031105000072
Entity NameKentucky Medical Services Foundation, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326091448
PECOS PAC ID: 5698689909
Enrollment ID: O20031119000300

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. Leigh Ann P Callahan 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
Leigh Ann P Callahan, MD
740 S. Limestone St., L543 Ky Clinic, University Of Kentucky-division Of Pulmonary,
Lexington, KY 40536-0284

Ph: (859) 323-5045
Leigh Ann P Callahan, MD
800 Rose Street, University Of Kentucky - Division Of Pulmonary,
Lexington, KY 40536

Ph: (859) 323-5045

Reviews and Comments


Internal Medicine Doctors in Lexington, KY

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Michael Han Young, MD
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Practice Location: 740 S Limestone, Lexington, KY 40536
Phone: 859-323-5544    Fax: 859-257-9286

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.