Dr John C Baer, MD - Medicare Ophthalmology in Baltimore, MD

Dr John C Baer, MD is a medicare enrolled "Ophthalmology" physician in Baltimore, Maryland. He went to University Of Maryland School Of Medicine and graduated in 1982 and has 43 years of diverse experience with area of expertise as Ophthalmology. He is a member of the group practice Johns Hopkins University and his current practice location is 600 N Wolfe St, Baltimore, Maryland. You can reach out to his office (for appointments etc.) via phone at (410) 955-5000.

Dr John C Baer is licensed to practice in Maryland (license number D0029740) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1013984848.

Contact Information

Dr John C Baer, MD
600 N Wolfe St,
Baltimore, MD 21287-0005
(410) 955-5000
Not Available

Map and Direction




Physician's Profile

Full NameDr John C Baer
GenderMale
SpecialityOphthalmology
Experience43 Years
Location600 N Wolfe St, Baltimore, Maryland
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr John C Baer attended and graduated from University Of Maryland School Of Medicine in 1982
  NPI Data:
  • NPI Number: 1013984848
  • Provider Enumeration Date: 03/01/2006
  • Last Update Date: 12/12/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 6204853153
  • Enrollment ID: I20110802000442

Medical Identifiers

Medical identifiers for Dr John C Baer such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1013984848NPI-NPPES
4121977OtherPAAETNA PPO
1308JCOtherMDCAREFIRST BC BS
3190310OtherPAAETNA HMO
3821719OtherMDAETNA MARYLAND OFFICES
50000867OtherPACAPITAL BLUE CROSS
1363854OtherPAHIGHMARK BLUE SHIELD
180044592OtherPARAILROAD MEDICARE
50000867OtherPAKEYSTONE HPC
T274 0001OtherMDCAREFIRST BLUE CHOICE
P00050680OtherMDRAILROAD MEDICARE
D0029740MedicaidMD

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology MD418865 (Pennsylvania)Secondary
207W00000XOphthalmology D0029740 (Maryland)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Johns Hopkins Bayview Medical CenterBaltimore, MDHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Johns Hopkins University89219031472699

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 C Baer allows following entities to bill medicare on his behalf.
Entity NameJohns Hopkins University
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1922008549
PECOS PAC ID: 8921903147
Enrollment ID: O20031215000719

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 C Baer 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 C Baer, MD
6201 Greenleigh Ave,
Baltimore, MD 21220-2004

Ph: () -
Dr John C Baer, MD
600 N Wolfe St,
Baltimore, MD 21287-0005

Ph: (410) 955-5000

Reviews and Comments


Ophthalmology Doctors in Baltimore, MD

Dr. Pradeep Y Ramulu, MD
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 600 N Wolfe St, Baltimore, MD 21287
Phone: 410-955-6052    
Ashley Behrens, M.D.
Ophthalmology
Medicare: May Accept Medicare Assignments
Practice Location: 600 N. Wolfe Street, Baltimore, MD 21287
Phone: 410-502-0461    
Neil R Miller, M.D.
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 600 N Wolfe St, Baltimore, MD 21287
Phone: 410-955-5080    
Dr. Allan Griffiths Scott, M.D
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 6231 N Charles St, Baltimore, MD 21212
Phone: 410-377-2044    Fax: 410-377-8061
Lily T Im, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 419 W Redwood St, Suite 479, Baltimore, MD 21201
Phone: 410-328-5918    Fax: 410-328-6346
Brinda Muthusamy, MBCHB
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: The Wilmer Eye Institute Johns, 600 North Wolfe Street, Baltimore, MD 21287
Phone: 410-955-8314    

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.