Physician Profile
Mariah Robertson, M.D.
Unclaimed ProfileAbout Dr. Robertson
Based in Baltimore, MD, Mariah Robertson, M.D. is listed in the NPI registry under internal medicine. Mariah graduated from University of Missouri, Columbia School of Medicine in 2014. According to Medicare claims data, Mariah cared for 132 Medicare patients across 180 services. The services billed most often include residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes, residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, and annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (410) 550-0535
- Email not available
Practice Locations
4940 EASTERN AVE
Baltimore, MD 21224
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
Procedures Most Often Billed to Medicare
180 services · 132 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
81 | As often as other peers in Internal Medicine |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
76 | As often as other peers in Internal Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
23 | Less often than most peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other internists in Baltimore 7
Same specialty, same city.
Trained at University of Missouri, Columbia School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at University of Missouri, Columbia School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Mariah Robertson specialize in?
Mariah Robertson is an internist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Where is Mariah Robertson located?
Mariah Robertson is listed at 4940 Eastern Ave, Baltimore, MD 21224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mariah Robertson's phone number?
The number on file is (410) 550-0535. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mariah Robertson's NPI number?
Mariah Robertson's National Provider Identifier is 1639556590. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mariah Robertson train?
Mariah Robertson attended University of Missouri, Columbia School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Mariah Robertson been practicing?
Mariah Robertson has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What does Mariah Robertson do most often?
According to Medicare billing data, Mariah Robertson the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mariah Robertson confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mariah Robertson. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.