Dr Charles Dewey Mcmahon, MD - Medicare Ophthalmology in Colorado Springs, CO

Dr Charles Dewey Mcmahon, MD is a medicare enrolled "Ophthalmology" physician in Colorado Springs, Colorado. He went to University Of Colorado School Of Medicine, Denver and graduated in 1973 and has 51 years of diverse experience with area of expertise as Ophthalmology. His current practice location is 3245 International Cir Ste 102, Colorado Springs, Colorado. You can reach out to his office (for appointments etc.) via phone at (719) 633-8000.

Dr Charles Dewey Mcmahon is licensed to practice in Colorado (license number DR.0018837) 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 1639168735.

Contact Information

Dr Charles Dewey Mcmahon, MD
3245 International Cir Ste 102,
Colorado Springs, CO 80910-3152
(719) 633-8000
(719) 434-8855

Map and Direction




Physician's Profile

Full NameDr Charles Dewey Mcmahon
GenderMale
SpecialityOphthalmology
Experience51 Years
Location3245 International Cir Ste 102, Colorado Springs, Colorado
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 Charles Dewey Mcmahon attended and graduated from University Of Colorado School Of Medicine, Denver in 1973
  NPI Data:
  • NPI Number: 1639168735
  • Provider Enumeration Date: 10/20/2005
  • Last Update Date: 07/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 1052216975
  • Enrollment ID: I20031204000595

Medical Identifiers

Medical identifiers for Dr Charles Dewey Mcmahon such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639168735NPI-NPPES
9000142156MedicaidCO

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology DR.0018837 (Colorado)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. Dr Charles Dewey Mcmahon allows following entities to bill medicare on his behalf.
Entity NameEye Specialists Of Colorado
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1144599044
PECOS PAC ID: 2365605433
Enrollment ID: O20120530000231

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 Charles Dewey Mcmahon 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 Charles Dewey Mcmahon, MD
Po Box 280,
Colorado Springs, CO 80901-0280

Ph: (719) 440-0058
Dr Charles Dewey Mcmahon, MD
3245 International Cir Ste 102,
Colorado Springs, CO 80910-3152

Ph: (719) 633-8000

Reviews and Comments


Ophthalmology Doctors in Colorado Springs, CO

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Dr. Daniel B Thatcher, M.D.
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Dr. Dean William Carlson, M.D.
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Dr. Jason Allen Noble, MD
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Practice Location: 3155 N Union Blvd, Colorado Springs, CO 80907
Phone: 719-630-3937    Fax: 719-635-3578
John Merrill Christiansen, MD
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Medicare: Medicare Enrolled
Practice Location: 555 E Pikes Peak Ave, Suite 102, Colorado Springs, CO 80903
Phone: 719-632-0264    

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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