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About Telehealth
Telehealth FAQ
Telehealth Consent Form
Telehealth Consent Form - Minors
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Maryland Insurance Participation
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All Patient First Centers remain open 8 am to 10 pm for Walk-in Care of Illness and Injury. New services recently added include:
COVID-19 Virus Testing (Current Infection) at Select Centers by Appointment.
COVID-19 Antibody Testing at all Centers – just walk in.
Telehealth.
Central Park
October
View Center Schedules for all Physicians and Physician Assistants, full- and part-time.
Alexandria
Annapolis
Beltsville
Bowie
Central Park
Chantilly
Clinton
Fairfax
Falls Church
Gainesville
Garrisonville
Germantown
Lake Ridge
Landover Hills
Leesburg
Manassas
Rockville
Silver Spring
Sterling
Waldorf
Select another center
Alexandria
Annapolis
Beltsville
Bowie
Central Park
Chantilly
Clinton
Fairfax
Falls Church
Gainesville
Garrisonville
Germantown
Lake Ridge
Landover Hills
Leesburg
Manassas
Rockville
Silver Spring
Sterling
Waldorf
Schedule of all Physicians and Physician Assistants, full- and part-time
Schedule of Full-Time Physicians and Physician Assistants - with bios
DOT
Show DOT certified
examiners
SUN
MON
TUE
WED
THU
FRI
SAT
25
SUN
25
DOT
William Carr, PA‑C
8am - 10pm
DOT
Tokzhan Clay, M.D.
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
26
MON
26
DOT
Rod Johnson, M.D.
8am - 3pm
DOT
Kristin Griffey, PA‑C
8am - 10pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
27
TUE
27
DOT
William Carr, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
8am - 10pm
DOT
Ekram Guirguis, M.D.
10am - 8pm
28
WED
28
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
Kristin Griffey, PA‑C
8am - 10pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
3pm - 10pm
29
THU
29
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
30
FRI
30
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
William Carr, PA‑C
8am - 10pm
DOT
Maryam Sindi, FNP
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
31
SAT
31
DOT
Robert Colligan, M.D.
8am - 3pm
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
Edward Lewis, M.D.
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
1
SUN
1 ‑ NOV
DOT
Erika Boka, PA‑C
8am - 3pm
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
DOT
Mary Pat Gronauer, FNP
3pm - 10pm
2
MON
2
DOT
William Carr, PA‑C
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
DOT
Rod Johnson, M.D.
8am - 10pm
3
TUE
3
DOT
Mary Pat Gronauer, FNP
8am - 3pm
DOT
William Carr, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
8am - 10pm
DOT
Erika Boka, PA‑C
3pm - 10pm
4
WED
4
DOT
Robert Colligan, M.D.
8am - 3pm
DOT
Kristin Griffey, PA‑C
8am - 10pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
5
THU
5
DOT
Erika Boka, PA‑C
8am - 3pm
DOT
Mary Pat Gronauer, FNP
8am - 3pm
DOT
Ekram Guirguis, M.D.
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
DOT
Erin Lotharius, PA‑C
3pm - 10pm
6
FRI
6
DOT
Robert Colligan, M.D.
8am - 3pm
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
William Carr, PA‑C
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
7
SAT
7
DOT
Tokzhan Clay, M.D.
8am - 10pm
DOT
Kristin Griffey, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
8am - 10pm
8
SUN
8
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
Jeffrey Joseph, D.O.
8am - 10pm
DOT
Rod Johnson, M.D.
3pm - 10pm
9
MON
9
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
Kristin Griffey, PA‑C
8am - 10pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
3pm - 10pm
10
TUE
10
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
William Carr, PA‑C
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
DOT
Rod Johnson, M.D.
3pm - 10pm
11
WED
11
DOT
Rod Johnson, M.D.
8am - 3pm
DOT
Kristin Griffey, PA‑C
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
12
THU
12
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
William Carr, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
8am - 10pm
13
FRI
13
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
William Carr, PA‑C
8am - 10pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
14
SAT
14
DOT
Bridget Baidoo, PA‑C
8am - 10pm
DOT
Robert Colligan, M.D.
8am - 10pm
DOT
Maryam Sindi, FNP
8am - 10pm
15
SUN
15
DOT
Erika Boka, PA‑C
8am - 3pm
DOT
Tokzhan Clay, M.D.
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
DOT
Kristin Griffey, PA‑C
3pm - 10pm
16
MON
16
DOT
William Carr, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
8am - 10pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
17
TUE
17
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
William Carr, PA‑C
8am - 10pm
DOT
Rod Johnson, M.D.
3pm - 10pm
18
WED
18
DOT
Robert Colligan, M.D.
8am - 10pm
DOT
Kristin Griffey, PA‑C
8am - 10pm
DOT
Ekram Guirguis, M.D.
8am - 10pm
19
THU
19
DOT
Ekram Guirguis, M.D.
8am - 3pm
DOT
Erin Lotharius, PA‑C
8am - 3pm
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
DOT
Kristin Griffey, PA‑C
3pm - 10pm
20
FRI
20
DOT
William Carr, PA‑C
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
DOT
Rod Johnson, M.D.
8am - 10pm
21
SAT
21
DOT
Tokzhan Clay, M.D.
8am - 3pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Maryam Sindi, FNP
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
22
SUN
22
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
Ekram Guirguis, M.D.
8am - 10pm
DOT
Sepideh Sarreshteh, PA‑C
8am - 10pm
23
MON
23
DOT
Rod Johnson, M.D.
8am - 3pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Maryam Sindi, FNP
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
24
TUE
24
DOT
Rod Johnson, M.D.
8am - 3pm
DOT
Erika Boka, PA‑C
8am - 10pm
DOT
Mary Pat Gronauer, FNP
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
25
WED
25
DOT
Robert Colligan, M.D.
8am - 3pm
DOT
Mary Pat Gronauer, FNP
8am - 3pm
DOT
Erin Lotharius, PA‑C
8am - 10pm
DOT
Ekram Guirguis, M.D.
3pm - 10pm
26
THU
26
DOT
Tokzhan Clay, M.D.
8am - 3pm
DOT
Kristin Griffey, PA‑C
8am - 3pm
DOT
Xuan-Lan Griffith, M.D.
8am - 3pm
DOT
Rod Johnson, M.D.
3pm - 10pm
27
FRI
27
DOT
Kristin Griffey, PA‑C
8am - 3pm
DOT
Rod Johnson, M.D.
8am - 10pm
DOT
Robert Colligan, M.D.
3pm - 10pm
28
SAT
28
Last minute schedule revisions, due to illness or other reasons, are possible. Please feel free to call the center within 3 days of your planned visit to confirm that the Physician or Physician Assistant you would like to see is still scheduled.
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Hampton Roads/Tidewater Area
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