Dr John Jacob Kakkanathu, MD - Medicare Internal Medicine in Saint Louis, MO

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Dr John Jacob Kakkanathu, MD is a medicare enrolled "Internal Medicine" physician in Saint Louis, Missouri. He went to University Of Illinois College Of Med (chi/peor/rock/chm-urb) and graduated in 2006 and has 18 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Mercy Hospitals East Communities, Mercy Clinic Adult Hospitalists - St. Louis, Llc and his current practice location is 621 S New Ballas Rd, Suite 3016b, Saint Louis, Missouri. You can reach out to his office (for appointments etc.) via phone at (314) 251-6339.

Dr John Jacob Kakkanathu is licensed to practice in Missouri (license number 2009008964) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1346458411.

Contact Information

Dr John Jacob Kakkanathu, MD
621 S New Ballas Rd, Suite 3016b,
Saint Louis, MO 63141-8232
(314) 251-6339
(314) 251-4564

Map and Direction




Physician's Profile

Full NameDr John Jacob Kakkanathu
GenderMale
SpecialityInternal Medicine
Experience18 Years
Location621 S New Ballas Rd, Saint Louis, Missouri
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John Jacob Kakkanathu attended and graduated from University Of Illinois College Of Med (chi/peor/rock/chm-urb) in 2006
  NPI Data:
  • NPI Number: 1346458411
  • Provider Enumeration Date: 05/20/2007
  • Last Update Date: 07/17/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 3375698491
  • Enrollment ID: I20090825000716

Medical Identifiers

Medical identifiers for Dr John Jacob Kakkanathu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1346458411NPI-NPPES
1346458411MedicaidMO
P00744531OtherMORAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 2009008964 (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 Hospitals East Communities165827681191
Mercy Clinic Adult Hospitalists - St. Louis, Llc6002809944127

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 John Jacob Kakkanathu allows following entities to bill medicare on his 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
Entity NameMercy Hospital Lincoln
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1962808733
PECOS PAC ID: 5193040020
Enrollment ID: O20150623002541

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 John Jacob Kakkanathu 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 John Jacob Kakkanathu, MD
621 S New Ballas Rd, Suite 3016b,
Saint Louis, MO 63141-8232

Ph: (314) 251-6339		Dr John Jacob Kakkanathu, MD
621 S New Ballas Rd, Suite 3016b,
Saint Louis, MO 63141-8232

Ph: (314) 251-6339

Reviews and Comments


Internal Medicine Doctors in Saint Louis, MO

Dr. Isik Turker, MD
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Conor Mccartney, M.D.
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Dr. Rehan Rais, MD
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Nathan Farkas, M.D.
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Phone: 314-362-1930    
Dr. Randy Olivier Laine, MD
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Practice Location: 1 Barnes Jewish Hospital Plz, Div Im Hospitalist, Saint Louis, MO 63110
Phone: 314-362-1700    Fax: 314-362-9878
Dr. Erin Leigh Dyer, MD
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Phone: 314-362-5060    Fax: 314-362-6959

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.