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Marianne Cowley MD in Frederick, Maryland

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Marianne Cowley MD has Ophthalmology as her primary medical specialty. Their primary office is: 161 Thomas Johnson Dr in Frederick, Maryland. There is an additional office location, for a total of two, for Marianne Cowley MD that can be viewed further down.

They're a part of the: Johns Hopkins University medical group which has around 2,705 members. You can call their office at 301-620-9268 to schedule an appointment. They also accept the Medicare-approved amount as payment in full. They attended Sorry, her university is not listed and graduated in 1982 (around 42 years of experience). They are not listed as doing telehealth appointments, but this may have changed. It can't hurt to call and check. If anything it may encourage them to make them available if they are not currently.


Marianne Cowley MD Office Phone and Directions

Marianne Cowley MD
Johns Hopkins University
161 Thomas Johnson Dr
Frederick, Maryland 21702
301-620-9268


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Phone: 301-620-9268


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Healthcare Info for Marianne Cowley MD

Medical School: Sorry, her university is not listed
Graduation Year: 1982
The Primary Medical Specialty for Marianne Cowley MD is listed as: Ophthalmology
Credentials: MD
Additional Credentials:
Approximate Years of Experience: 42
PAC (PECOS ID)#: 3173590551
NPI #: 1811964448
NPI Created On: 03/02/2006
NPI Last Updated Listed as: 02/28/2023
Primary Taxonomy Code: 207W00000X
License Number:
24468
Listed Gender: Female

Insurance, Services, Charges


Forms of insurance accepted by include, but are not limited to:

  • CareSource
  • Medicare

They are listed as accepting new patients.

Languages spoken by staff include: English.


Services and Procedures include:

  1. Injection of drug into eye
  2. Eye and medical examination for diagnosis and treatment, established patient
  3. Eye and medical examination for diagnosis and treatment, established patient, 1 or more visits
  4. Diagnostic imaging of retina
  5. New patient office or other outpatient visit, typically 45 minutes
  6. Established patient office or other outpatient visit, typically 10 minutes
  7. Established patient office or other outpatient visit, typically 15 minutes
  8. Injection, aflibercept, 1 mg

They took part in the Medicare Physician Quality Reporting System (PQRS).

Additional Office Locations

1. Johns Hopkins University
8600 Old Georgetown Rd
Bethesda, MD 20814
Group Members: 130

Phone: 301-620-9268

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Ophthalmology Professionals in Frederick

5283 Corporate Dr
Frederick, MD
The Retina Group Of Washington, Pllc

174 Thomas Johnson Dr
Frederick, MD
Robert E Parnes Md Llc

1003 W 7th St
Frederick, MD

174 Thomas Johnson Dr
Frederick, MD

87 Thomas Johnson Dr
Frederick, MD

77 Thomas Johnson Dr
Frederick, MD
Thompson And Sjaarda Pa

Providers in Johns Hopkins University

1.Rachel Aaron

5501 Hopkins Bayview Cir
Baltimore Md 21224-6821
Johns Hopkins University
Clinical Psychologist

2.Rachel Aaron

5505 Hopkins Bayview Cir
Baltimore Md 21224-6821
Johns Hopkins University
Clinical Psychologist

3.Rachel Aaron

600 N Wolfe St
Baltimore Md 21287-0005
Johns Hopkins University
Clinical Psychologist

4.Rachel Aaron

600 N Wolfe St
Baltimore Md 21287-0005
Johns Hopkins University
Clinical Psychologist

5.Rachel Aaron

601 N Caroline St
Baltimore Md 21287-0006
Johns Hopkins University
Clinical Psychologist

6.Rachel Aaron

1800 Orleans St
Baltimore Md 21287-0010
Johns Hopkins University
Clinical Psychologist

View all 2,705 members of Johns Hopkins University medical group