Providers
12
Locations
2
Specialties
3
Insurance Plans
23
About Maryland Medical Specialists Inc
Background and practice information
Maryland Medical Specialists INC is a mid-sized group medical practice based in Rockville, MD, with 12 affiliated healthcare providers practicing across 2 locations.
The practice brings together providers across several specialties, including nurse practitioner, sleep medicine, and pain management. Its providers are in-network with 23 insurance plans, though coverage varies by individual provider and should be confirmed before scheduling.
Practice Locations
2 locations
Maryland Medical Specialists IncPrimary
145 W OSTEND ST, Baltimore, MD 212303774
(800) 557-8950
Affiliations
Hospitals where providers at Maryland Medical Specialists Inc hold admitting privileges
Insurance Networks
Accepted insurance plans and networks
Maryland Medical Specialists Inc accepts 94 plans from 10 insurers, including Cigna, Aetna, Humana.
Source: CMS Transparency in Coverage filings (March 2026). Network participation may change — verify with the provider's office before scheduling.
Specialties at Maryland Medical Specialists Inc
Provider specialties represented at this practice
Healthcare Providers in Baltimore
9 providers practice here
Andrea Ajogun, NP
Nurse Practitioner · Telehealth
Baltimore, MD
Kierstan Kerns, NP
Nurse Practitioner · Telehealth
Baltimore, MD
Kristen Nelms, NP
Nurse Practitioner · Telehealth
Baltimore, MD
Lorie Pistone, NP
Nurse Practitioner · Telehealth
Baltimore, MD
Lilieth Poleon
Nurse Practitioner · Telehealth
Baltimore, MD
Anna Stewart, NP
Nurse Practitioner · Telehealth
Baltimore, MD
Sarah Waldroup, NP
Nurse Practitioner · Telehealth
Baltimore, MD
Angela Wiltse
Nurse Practitioner
Baltimore, MD
Karen Zarrelli
Nurse Practitioner · Telehealth
Baltimore, MD
Frequently Asked Questions
Common questions about Maryland Medical Specialists Inc
How many providers are at Maryland Medical Specialists INC?
Maryland Medical Specialists INC has 12 affiliated healthcare providers across 2 locations. You can browse the full provider roster, with specialties and locations, on this page.
What specialties does Maryland Medical Specialists INC offer?
The practice includes providers in nurse practitioner, sleep medicine, and pain management. Use the specialty filter on the provider list to find a specific type of provider.
What insurance does Maryland Medical Specialists INC accept?
Providers at Maryland Medical Specialists INC are collectively in-network with 23 insurance plans. Acceptance varies by individual provider, so confirm your specific plan with the office before your visit.
Where is Maryland Medical Specialists INC located?
Maryland Medical Specialists INC's primary location is in Rockville, MD, with 1 additional location listed on this page. See the contact section for the full address and phone number.
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