Dr Carolyn Anne Hilliard, MD - Medicare Internal Medicine in Saint Louis, MO

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Dr Carolyn Anne Hilliard, MD is a medicare enrolled "Internal Medicine" physician in Saint Louis, Missouri. She went to Saint Louis University School Of Medicine and graduated in 2009 and has 15 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Mercy Clinic Adult Hospitalists - St. Louis, Llc and her current practice location is 615 S New Ballas Rd, Saint Louis, Missouri. You can reach out to her office (for appointments etc.) via phone at (314) 251-6339.

Dr Carolyn Anne Hilliard is licensed to practice in Missouri (license number 2020039468) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1922488261.

Contact Information

Dr Carolyn Anne Hilliard, MD
615 S New Ballas Rd,
Saint Louis, MO 63141-8221
(314) 251-6339
Not Available

Map and Direction




Physician's Profile

Full NameDr Carolyn Anne Hilliard
GenderFemale
SpecialityInternal Medicine
Experience15 Years
Location615 S New Ballas Rd, Saint Louis, Missouri
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Carolyn Anne Hilliard attended and graduated from Saint Louis University School Of Medicine in 2009
  NPI Data:
  • NPI Number: 1922488261
  • Provider Enumeration Date: 06/02/2015
  • Last Update Date: 06/13/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 1153634530
  • Enrollment ID: I20210201002777

Medical Identifiers

Medical identifiers for Dr Carolyn Anne Hilliard such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1922488261NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD-45074 (Iowa)Secondary
207R00000XInternal Medicine 2020039468 (Missouri)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Mercy Hospital St LouisSaint louis, MOHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mercy Clinic Adult Hospitalists - St. Louis, Llc6002809944126

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 Carolyn Anne Hilliard allows following entities to bill medicare on her behalf.
Entity NameMercy Hospitals East Communities
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1851431738
PECOS PAC ID: 1658276811
Enrollment ID: O20031218000107
Entity NameMercy Clinic Adult Hospitalists - St. Louis, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1841235108
PECOS PAC ID: 6002809944
Enrollment ID: O20040406001004
Entity NameMercy Clinic Adult Hospitalists - Washington, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1891943429
PECOS PAC ID: 3577630540
Enrollment ID: O20080917000782
Entity NameSt Anthonys Physician Organization Hospitalist Services Lc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1407216336
PECOS PAC ID: 5092980656
Enrollment ID: O20111208000771
Entity NameMercy Clinic Adult Hospitalists Jefferson Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083052492
PECOS PAC ID: 8628205598
Enrollment ID: O20131220001798

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 Carolyn Anne Hilliard 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 Carolyn Anne Hilliard, MD
621 S New Ballas Rd Ste 112a,
Saint Louis, MO 63141-8252

Ph: (314) 251-6339		Dr Carolyn Anne Hilliard, MD
615 S New Ballas Rd,
Saint Louis, MO 63141-8221

Ph: (314) 251-6339

Reviews and Comments


Internal Medicine Doctors in Saint Louis, MO

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Rehan Rais, M.D. M.B.,B.S.
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Dr. Nicole Foley, M.D.
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Practice Location: 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110
Phone: 314-362-5000    
Soumojit Ghosh,
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Practice Location: 3660 Vista Ave, Saint Louis, MO 63110
Phone: 314-977-6100    Fax: 314-977-6164

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).

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