Christopher M Callahan, MD - Medicare Internal Medicine in Indianapolis, IN

Christopher M Callahan, MD is a medicare enrolled "Internal Medicine - Geriatric Medicine" physician in Indianapolis, Indiana. He went to Saint Louis University School Of Medicine and graduated in 1985 and has 39 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice The Health And Hospital Corporation Of Marion County and his current practice location is 1633 N Capitol Ave, Ste 322, Indianapolis, Indiana. You can reach out to his office (for appointments etc.) via phone at (317) 962-2929.

Christopher M Callahan is licensed to practice in Indiana (license number 01036319A) 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 1104867043.

Contact Information

Christopher M Callahan, MD
1633 N Capitol Ave, Ste 322,
Indianapolis, IN 46202-1476
(317) 962-2929
(317) 962-2070



Physician's Profile

Full NameChristopher M Callahan
GenderMale
SpecialityInternal Medicine
Experience39 Years
Location1633 N Capitol Ave, Indianapolis, Indiana
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:
  • Christopher M Callahan attended and graduated from Saint Louis University School Of Medicine in 1985
  NPI Data:
  • NPI Number: 1104867043
  • Provider Enumeration Date: 06/10/2006
  • Last Update Date: 11/18/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9638140908
  • Enrollment ID: I20101015000714

Medical Identifiers

Medical identifiers for Christopher M Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1104867043NPI-NPPES
100068500MedicaidIN
000000086850OtherINANTHEM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0300XInternal Medicine - Geriatric Medicine 01036319A (Indiana)Primary
207R00000XInternal Medicine 01036319A (Indiana)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Eskenazi HealthIndianapolis, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Health And Hospital Corporation Of Marion County6709795974207

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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. Christopher M Callahan allows following entities to bill medicare on his behalf.
Entity NameEskenazi Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1730451063
PECOS PAC ID: 4284546813
Enrollment ID: O20031103000440

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Entity NameIndiana University Health Care Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1902032832
PECOS PAC ID: 5799755864
Enrollment ID: O20040727000955

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Entity NameThe Health And Hospital Corporation Of Marion County
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104027879
PECOS PAC ID: 6709795974
Enrollment ID: O20041229000426

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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. Christopher M 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
Christopher M Callahan, MD
250 N Shadeland Ave,
Indianapolis, IN 46219-4959

Ph: () -
Christopher M Callahan, MD
1633 N Capitol Ave, Ste 322,
Indianapolis, IN 46202-1476

Ph: (317) 962-2929

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Expensive robotic-assisted bladder cancer surgery results in fewer deaths, in-patient complications

With technological advancements opening the door to less invasive medical procedures, robotic-assisted surgery is becoming increasingly popular, despite being more expensive than traditional surgery. Robotic-assisted surgical removal of the bladder due to cancer is a new approach to the traditional "open" - or more invasive - operation called a radical cystectomy.

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AFP examines debate over H1N1 spending, resource allocation

There is concern that as developed countries store away antivirals, face masks and vaccines to protect against the H1N1 (swine) flu virus, poor countries are being left empty handed. "Some critics say the spending is so imbalanced that it amounts to health apartheid, protecting rich countries against H1N1 but leaving poor nations to fend for themselves," the news service writes, adding, "Others argue gargantuan sums are being spent on a disease that is no more lethal than seasonal flu, which is grotesquely disproportionate when thousands die each day of less media-friendly diseases."

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Internal Medicine Doctors in Indianapolis, IN

Irene A Carrothers, M.D.
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1701 Senate Blvd, Indianapolis, IN 46202
Phone: 317-963-8776    Fax: 317-963-5285
Liam P Howley, MD
Geriatric Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1001 West 10th St Opw-m200, Indiana University Department Of Medicine, Indianapolis, IN 46202
Phone: 317-630-6560    
Cristina Nancy Perez Chumbiauca, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 550 University Blvd, Indianapolis, IN 46202
Phone: 317-944-5000    
Dr. Andrew Jonathen Ortega, DO
Geriatric Medicine
Medicare: Medicare Enrolled
Practice Location: 702 Rotary Cir, Indianapolis, IN 46202
Phone: 317-278-4427    
Lawrence John Born, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 8424 Naab Rd, #3-j, Indianapolis, IN 46260
Phone: 317-872-7396    Fax: 317-879-8328
Brian T Robinson, MD
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1001 W 10th St, Indianapolis, IN 46202
Phone: 317-630-7979    Fax: 317-630-2668
Steven T Hugenberg, M.D.
Geriatric Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 550 University Blvd, Indianapolis, IN 46202
Phone: 317-944-8660    

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