Dr. Robert Ferguson , MD
Internal Medicine • Baltimore, MD
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Robert Ferguson has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Robert Ferguson, MD was a registered Internal Medicine practicing in Baltimore, MD. Throughout an active medical career spanning 19 years, Dr. Ferguson provided care at the practice location at 6565 N CHARLES ST until profile deactivation on 2025-12-18.
Historical Medicare Part B clinical services included follow-up hospital inpatient care per day, hospital discharge day management, subsequent hospital care with moderate levelof medical decision making, if using time, at least. Public procedure reimbursement records and service volume details are provided below for historical transparency.
Practice Location & Contact Primary Location
6565 N Charles St
Ppe 201
Baltimore, MD 212046800
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Baltimore, MD
Practicing in Baltimore, MD (4114 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99231
Follow-up hospital inpatient care per day, typically 15 minutes
|
230 | 69 | $85.00 | $41.89 |
|
99238
Hospital discharge day management, 30 minutes or less
|
44 | 43 | $158.00 | $76.59 |
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
35 | 24 | $156.29 | $77.12 |
|
99221
Initial hospital inpatient care per day, typically 30 minutes
|
35 | 35 | $220.71 | $106.74 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Audiologist
Doctor of Audiology
Family Medicine
Doctor of Osteopathic Medicine (D.O.)
Student in an Organized Health Care Education/Training Program
Internal Medicine
Doctor of Medicine (M.D.)
Pediatrics
Doctor of Medicine (M.D.)
Nurse Practitioner
CRNPF, APRNPMH
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on December 18, 2025
NPI status registered as active in NPPES database
Registered at 6565 N CHARLES ST, PPE 201, BALTIMORE, MD 212046800 (Tel: 4138493760)
Registered at PO BOX 418953, BOSTON, MA 022418953
Recorded as ROBERT FERGUSON, M.D.
Internal Medicine (License #D0043475 in MD)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
Po Box 418953
Boston, MA 022418953
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