Doctor profile · Federal record
Dr. Maria Cristina de Souza, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · General Practice Physician · Public Health & General Preventive Medicine Physician · Internal Medicine Physician · Williston, ND
- NPI 1689602393
- Accepts Medicare
- 41 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 5 locations .
- Primary practice
-
1321 W Dakota Pkwy
Williston, ND 588013807
(701) 572-7711 - Additional location
-
15333 N Pima RD Ste 305
Scottsdale, AZ 852602717
(866) 949-0108 - Additional location
-
1851 N Gemini Dr
Flagstaff, AZ 860011607
(928) 266-0118 - Additional location
-
2920 N 4Th St
Flagstaff, AZ 860041816
(928) 522-9400
fax (928) 774-4808 - Additional location
-
2305 37Th Ave Sw
Minot, ND 587017669
(701) 418-8000 - Mailing address
-
Po Box 5010
Minot, ND 587025010
Show 2 more locations
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- September 23, 2025
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- North Dakota #18705 · Arizona #24132
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1689602393. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
8,746
Distinct HCPCS
4
Medicare allowed
$151,170
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 4,260 | 71 | $22 | |
J1306 |
Injection, inclisiran, 1 mg | 4,260 | 14 | $12 | |
96372 |
Injection of drug or substance under skin or into muscle | 182 | 111 | $14 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 44 | 20 | $61 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 729. This provider delivers 12× the peer median.Frequently asked questions
What is Dr. Maria Cristina de Souza's medical specialty?
Dr. Maria Cristina de Souza practices Internal Medicine Physician in Williston, ND.
Where does Dr. Maria Cristina de Souza practice?
Dr. Maria Cristina de Souza practices at 1321 W Dakota Pkwy, Williston, ND 588013807. Office phone: 7015727711.
What is Dr. Maria Cristina de Souza's NPI?
Dr. Maria Cristina de Souza's National Provider Identifier (NPI) is 1689602393, issued by NPPES.
Does Dr. Maria Cristina de Souza accept Medicare assignment?
Yes. Dr. Maria Cristina de Souza accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Cristina de Souza commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Injection, inclisiran, 1 mg (HCPCS J1306); Injection of drug or substance under skin or into muscle (HCPCS 96372). Source: CMS Medicare Physician & Other Practitioners file.