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Edit this profileWhere to find Maria M. Diaz, M.D.
- Derry location main office
1 Parkland Dr, Derry, NH 03038 - Nantucket location
57 Prospect St, Nantucket, MA 02554
About Dr. Diaz
Maria M. Diaz, M.D. practices emergency medicine in Derry, NH. Maria is a 2006 graduate of Albert Einstein College of Medicine of Yeshiva University. Medicare claims data shows Maria provided 260 services to 247 patients. The services billed most often include emergency department visit with moderate level of medical decision making, emergency department visit with high level of medical decision making, and emergency department visit with low level of medical decision making. The provider's National Provider Identifier (NPI) is 1013142959.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (603) 421-2220
- Email not available
Practice Locations
1 PARKLAND DR
Derry, NH 03038
57 Prospect St
Nantucket, MA 02554
Conditions Commonly Evaluated or Treated
Within Emergency 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
Bites & Stings
- Spider or insect sting reaction
- Snake Bite or Venomous Sting
Brain & Nerves
- Delirium
- Stroke
- Fainting and syncope
- Seizure in Child
- Severe headache or sudden migraine
- Status epilepticus
- Transient ischemic attack
Endocrine & Metabolic
- Dangerously low blood sugar
- Dangerous high blood sugar
Eye Care
Injuries & Trauma
- Animal or dog bite
- Bone fractures
- Deep cut or wound
- Dislocated joint
- Severe burn
- Sprains and muscle strains
- Traumatic brain injury
Rashes & allergy
Skin & Infections
- Skin abscess or boil
Urinary & Bladder
- Inability to pee
Women's Health
- Heavy vaginal bleeding
- Ectopic pregnancy
Abdomen & Digestion
- Appendicitis
- Lower gastrointestinal bleeding
- Vomiting or throwing up blood
Allergy & Immune
- Angioedema
Allergy & Immunology
Blood & Circulation
Breathing
- Choking or swallowed object
- Coughing up blood
- Severe asthma attack
- Shortness of breath
Digestion & Stomach
Ear, Nose & Throat
Environmental
- Heat stroke
- Hypothermia and frostbite
Eye Emergency
General Emergency
- Severe dehydration
- Uncontrolled bleeding
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
- High fever
- Sepsis or blood infection
Lungs & Breathing
Men's Health
Poisoning & Environmental
- Smoke Inhalation
Poisoning & Toxins
Spine & Back
Urinary & Kidney
Procedures & services
Abdominal Procedures
Breathing & Airway
- Emergency intubation
- Breathing Treatment
Critical Care
- Central line placement
- Chest tube insertion
- CPR and defibrillation
- Blood transfusion
Diagnostic testing
Diagnostics
- Rapid blood work
- Lumbar puncture
Ear, Nose & Throat
- Nasal packing for nosebleed
Eye & ENT
Heart & Diagnostics
Imaging & Diagnostics
- Emergency MRI scan
- Emergency CT scan
- Emergency ultrasound
- Emergency X-ray
Injections & Vaccines
- Rabies shot series
- Tetanus shot
Kidney Care
- Emergency dialysis
Lung & Respiratory
Medications
- IV medication for severe nausea
- IV medication for severe pain
- Emergency epinephrine injection
Mental Health
- Emergency psychiatric evaluation
Minor Procedures
- Nasal cautery for nosebleeds
- Tick Removal
- Urinary catheter insertion
- Fishhook or embedded splinter removal
- Incision and drainage of an abscess
Minor Trauma
- Stuck ring removal
Orthopedics
- Popping a dislocated joint back in place
- Splinting and temporary casting
Poisoning & Toxicology
- Antivenom treatment
Specialized Care
- Sexual assault forensic exam
Stroke & Vascular
- Clot busting medication for stroke
Toxicology
- Narcan overdose reversal
- Stomach pumping or activated charcoal
Women's Health
- Emergency pelvic exam
Wound Care
- Burn dressing and care
- Skin glue for cuts
- Stitches and Laceration Repair
- Wound cleaning and debridement
- Wound stapling
Airway & Breathing
- Emergency surgical airway
Anesthesia & Sedation
Digestive Care
- Urgent upper endoscopy
Eye Care
- Emergency Eye Flushing
Heart Care
- Temporary Pacemaker Placement
Orthopedic Procedures
Supportive Care
Procedures Most Often Billed to Medicare
260 services · 247 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
121 | More often than most peers in Emergency Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
90 | As often as other peers in Emergency Medicine |
| Emergency department visit with low level of medical decision making | Office visit | 99283 |
49 | More often than most peers in Emergency 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 emergency physicians at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 18 related providers in 3 groups
Other emergency physicians in Derry 2
Same specialty, same city.
Trained at Albert Einstein College of Medicine of Yeshiva University 8
Other providers in the same specialty who trained at the same institution.
Class of 2006 at Albert Einstein College of Medicine of Yeshiva University 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Maria M. Diaz?
Maria M. Diaz is an emergency physician in Derry, NH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
What is Maria M. Diaz's address?
Maria M. Diaz is listed at 1 Parkland Dr, Derry, NH 03038. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Maria M. Diaz?
The number on file is (603) 421-2220. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Maria M. Diaz?
Maria M. Diaz's National Provider Identifier is 1013142959. 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 Maria M. Diaz train?
Maria M. Diaz attended Albert Einstein College of Medicine of Yeshiva University, graduating in 2006. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Maria M. Diaz have?
Maria M. Diaz has 20 years experience. Calculated from a graduation year of 2006, reported in the CMS National Downloadable File.
CMS public data
What procedures does Maria M. Diaz perform?
According to Medicare billing data, Maria M. Diaz 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
Is Maria M. Diaz's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Maria M. Diaz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.