Where to find Maria Cristina A. De Souza, M.D.
- Williston location main office
1321 W Dakota Pkwy, Williston, ND 58801 - Flagstaff location
1851 N Gemini Dr, Flagstaff, AZ 86001 - Flagstaff location
2920 N 4th St, Flagstaff, AZ 86004 - Scottsdale location
15333 N Pima Rd Ste 305, Scottsdale, AZ 85260 - Minot location
2305 37th Ave SW, Minot, ND 58701
About Dr. De Souza
Based in Williston, ND, Maria Cristina A. De Souza, M.D. is listed in the NPI registry under internal medicine. Maria Cristina is also listed as specializing in public health & general preventive medicine. Medicare claims data shows Maria Cristina provided 55 services to 49 patients. The services billed most often include insertion of needle into vein for collection of blood sample, complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count, and blood test, comprehensive group of blood chemicals. NPI 1689602393 identifies this record in the national registry.
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
- (701) 572-7711
- Email not available
Practice Locations
1321 W DAKOTA PKWY
Williston, ND 58801
1851 N GEMINI DR
Flagstaff, AZ 86001
2920 N 4th St
Flagstaff, AZ 86004
15333 N Pima Rd Ste 305
Scottsdale, AZ 85260
2305 37th Ave SW
Minot, ND 58701
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
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
- Sleep apnea
Mental Health
- Generalized anxiety disorder
- Insomnia and Sleep Problems
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
- Trigger Point Injections
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
- Knee Joint Injection
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
55 services · 49 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
29 | Less often than most peers in Internal Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
14 | Less often than most peers in Internal Medicine |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
12 | 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 — 29 related providers in 4 groups
Other internists in Williston 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in ND who bill this service to Medicare most often.
Common questions
What kind of doctor is Maria Cristina A. De Souza?
Maria Cristina A. De Souza is an internist in Williston, ND. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Maria Cristina A. De Souza's address?
Maria Cristina A. De Souza is listed at 1321 W Dakota Pkwy, Williston, ND 58801. 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 Cristina A. De Souza?
The number on file is (701) 572-7711. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Maria Cristina A. De Souza?
Maria Cristina A. De Souza's National Provider Identifier is 1689602393. 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 Cristina A. De Souza train?
Maria Cristina A. De Souza attended Other, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Maria Cristina A. De Souza have?
Maria Cristina A. De Souza has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Maria Cristina A. De Souza perform?
According to Medicare billing data, Maria Cristina A. De Souza performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Maria Cristina A. De Souza's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Maria Cristina A. De Souza. If this is you, claiming it is free.
Guide.md
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