Physician Profile
Douglas D. Mayo, M.D.
Unclaimed ProfileAbout Dr. Mayo
Douglas D. Mayo, M.D. is a healthcare provider in Baltimore, MD specializing in emergency medical services. Douglas is also listed as specializing in specialist. According to Medicare claims data, Douglas cared for 446 Medicare patients across 466 services. The services billed most often include emergency department visit with high level of medical decision making, critical care, first 30-74 minutes, and routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only.
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) 362-3000
- Email not available
Practice Locations
22 S GREENE ST
Baltimore, MD 21201
Conditions Commonly Evaluated or Treated
Within Emergency Medical Services 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
Abdominal
Airway & breathing
Allergies & Immune
Brain & nerve
- Sudden Confusion or Altered Mental State
- Sudden Severe Vertigo and Inability to Stand
Brain & Nervous System
- Fainting and syncope
- Ischemic stroke
- Severe headache or sudden migraine
- Status epilepticus
- Transient ischemic attack
- Unresponsiveness
Breathing & Airway
Digestive emergency
Environmental
General emergency
Heart & Circulation
Heart & circulation
- Racing or Fluttering Heart
- Sudden Tearing Back Pain
Infections
- Sepsis or blood infection
- Stiff Neck with High Fever
Mental Health
- Mental Health Crisis
Metabolic
Pediatric emergency
- Child Febrile Seizure
- Difficulty Breathing in Infants
Poisoning & Overdose
- Alcohol Poisoning
- Drug overdose or poisoning
Poisoning & toxins
- Swallowed Household Cleaner or Poison
Pregnancy
- Emergency Childbirth
Surgical emergency
- Post-Surgery Wound Opening or Bleeding
Trauma & Injury
- Bone fractures
- Car accident injuries
- Concussion in Children
- Deep Cuts and Stab Wounds
- Electric Shock
- Gunshot Wound
- Serious Fall Injury
- Severe Burns
- Uncontrolled bleeding
Trauma & injury
- Crush Injury
- Internal Bleeding
- Motorcycle Crash Injury
- Pedestrian Hit by Car
- Severe Dog Bite or Animal Attack
- Spinal Cord Injury and Paralysis
Procedures & services
Airway & breathing
- Bag Valve Mask Ventilation
- Continuous Positive Airway Pressure
- Supraglottic Airway Insertion
Airway & Breathing
- Choking Relief Maneuver
- Emergency intubation
- Nebulizer Breathing Treatment
- Oxygen therapy
- Suctioning the Airway
Community Care
- Community Paramedic Home Visit
Critical Care
- Chest Needle Decompression
- Emergency Baby Delivery Assistance
Diagnostic
- Fingerstick Blood Sugar Test
- Pulse Oximetry Oxygen Check
Emergency Medication
- Emergency epinephrine injection
- Emergency Heart Attack Medication
- Emergency Pain Relief
- Emergency Seizure Medication
- Low Blood Sugar Treatment
- Narcan overdose reversal
- Starting an IV in Ambulance
Emergency Transport
- 911 Ambulance Dispatch
- Emergency Medical Transport
- Hospital-to-Hospital Transfer
- Medical Helicopter Transport
EMS services
- Emergency Lift Assist
- Event Paramedic Standby
- Hospital Emergency Pre-Notification
- On-Scene Treat and Release
- Stair Chair Evacuation
EMS transport
- Bariatric Ambulance Transport
- Critical Care Ambulance Transport
- Long Distance Ambulance Transport
- Pediatric Critical Care Transport
- Wheelchair Van Medical Transport
Environmental Care
- Rapid Cooling for Heat Stroke
Evaluation & Testing
- Blood Pressure Check
- EKG
- Paramedic Field Assessment
Heart care
- Cardioversion for rapid heartbeat
- Emergency Rapid Heart Rate Medication
- External Cardiac Pacing
Life Support
- AED Shock or Defibrillation
- Bone Injection for Fluids
- CPR and defibrillation
- Mechanical CPR Machine
Medical Transport
- Non-Emergency Stretcher Transport
Mental Health
- Psychiatric Emergency Transport
Rescue services
- Vehicle Crash Extrication
Trauma & injury
- Emergency Burn Dressing Application
Trauma Care
- Bleeding Control and Tourniquet
- Emergency Eye Flushing
- Neck and Spine Immobilization
- Pelvic Binder Placement
- Splinting Broken Bones
- Wound care and dressing
Procedures Most Often Billed to Medicare
466 services · 446 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
105 | As often as other peers in Emergency Medical Services |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
154 | As often as other peers in Emergency Medical Services |
| Critical care, first 30-74 minutes | Office visit | 99291 |
111 | More than most peers in Emergency Medical Services |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
96 | More often than most peers in Emergency Medical Services |
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.
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.
Other emergency medical serviceses in Baltimore 4
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 15 related providers in 2 groups
Class of 1999 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 7
Providers in MD who bill this service to Medicare most often.
Common questions
What does Douglas D. Mayo specialize in?
Douglas D. Mayo is an emergency medical services in Baltimore, MD. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Douglas D. Mayo located?
Douglas D. Mayo is listed at 22 S Greene St, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Douglas D. Mayo's phone number?
The number on file is (410) 362-3000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Douglas D. Mayo's NPI number?
Douglas D. Mayo's National Provider Identifier is 1548221062. 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 Douglas D. Mayo train?
Douglas D. Mayo attended Other, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How long has Douglas D. Mayo been practicing?
Douglas D. Mayo has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Douglas D. Mayo do most often?
According to Medicare billing data, Douglas D. Mayo provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Douglas D. Mayo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Douglas D. Mayo. 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.