Summary

Dr. Dagmar Arnold is an endocrinologist specializing in diabetes and metabolism, with additional expertise in internal medicine. She earned her medical degree from Aarhus University's Faculty of Health Sciences in Denmark and completed her residency training at Johns Hopkins Health System. With 43 years of medical experience, Dr. Arnold brings extensive knowledge to the diagnosis and treatment of hormonal disorders. She is fluent in both German and English.

Dr. Arnold practices at MedStar Montgomery Medical Center and MedStar Washington Hospital Center in Olney, Maryland. She focuses on treating patients with high blood sugar conditions, including hyperglycemia and hyperglycemic emergencies in both adults and children. Her diagnostic approach includes comprehensive testing such as thyroid hormone evaluations, complete blood counts, and metabolic panels to assess patient health. Patients have given her an average rating of 3.4 out of 5 on Vitals.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.4
  • 43 years of experience
  • speaks German, English
  • Johns Hopkins Health System
  • 15 written reviews
  • 2 specialties
  • 14 areas of expertise
  • 2 board certifications
  • 2 hospital affiliations
  • 2 office locations
  • Female

Patients’ Perspective

  • Gave an accurate diagnosis
  • Spent time with me
  • Provided follow-up after the visit

Office Locations

Dr. Dagmar R Arnold has 2 locations

Arnold Dagmar R Office

18111 Prince Philip Dr Ste T13Olney, MD 20832
Mon8:00 am - 2:00 pm
Tue8:00 am - 2:00 pm
Wed8:00 am - 2:00 pm
Thu8:00 am - 2:00 pm
FriClosed
SatClosed
SunClosed

Medstar Montgomery Medical Center

18101 Prince Philip DrOlney, MD 20832

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Dr. Dagmar R Arnold, MDDr. Kehinde Folawewo, MDDr. Peggy Nana Ama Amoakohene, MDDr. Charles Nelson Oster
Endocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & MetabolismInfectious Disease
Accepts New Patients Accepts New Patients Accepts New Patients
3.4 
43 Years of Experience 15 Years of Experience 15 Years of Experience 56 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available No Virtual Visit Option
Speaks German, English Speaks English Speaks English, Twi, French Speaks English
Olney , MDOxon Hill , MDFalls Church , VAWASHINGTON , DC
Med School: Aarhus Universitet Det Sundhedsvidenskabelige Fakultet Med School: Obafemi Awolowo College Of Health Sciences Olabisi Onabanjo University Med School: Meharry Medical College Med School: Harvard Medical School
Current Profile
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Insurance Plans Accepted by Dr. Dagmar R Arnold

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. Dagmar R Arnold has the following 2 specialties

Specialty Expertise

Dr. Dagmar R Arnold has the following 14 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes
  • Diabetes (Types I & II)
  • Diabetes, Type 2
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism
  • Internal Medicine
  • Thyroid Diseases

Certifications, License, & Education

43 Years Experience

Dr. Dagmar R Arnold holds an active medical license in the state of Maryland.

Medical License

Medical Doctor with an active medical license in the state of Maryland that expires in 2026.

Education & Training

Residency

Completed their residency at Johns Hopkins Health System.

Medical School

Graduated from Aarhus Universitet Det Sundhedsvidenskabelige Fakultet in 1983.

NPI Number

Dr. Arnold's NPI number is 1881649432.

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Frequently Asked Questions

Which hospitals is Dr. Dagmar Arnold affiliated with?
Dr. Dagmar Arnold is affiliated with MEDSTAR MONTGOMERY MEDICAL CENTER and Medstar Washington Hospital Center.
How can I make an appointment with Dr. Dagmar Arnold?
You can find contact information for Dr. Dagmar Arnold here on Vitals.
Does Dr. Dagmar Arnold accept my insurance?
You can see the insurance plans that Dr. Dagmar Arnold accepts on their Vitals profile.
What languages does Dr. Dagmar Arnold speak?
Dr. Dagmar Arnold speaks German and English.
Where is Dr. Dagmar Arnold's office located?
Dr. Dagmar Arnold's office is located at 18111 Prince Philip Dr Ste T13, Olney, MD, 20832.

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