Doctor profile · Federal record
Dr. Maria Joana Thomas, MD
Nephrology Physician (CMS: Nephrology) · Specialist · Student in an Organized Health Care Education/Training Program · Folsom, CA
- NPI 1205241122
- Accepts Medicare
- 16 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1600 Creekside Dr Ste 3600
Folsom, CA 956303446
(916) 235-7790
fax (916) 235-7791 - Mailing address
-
1111 Exposition Blvd Ste 300
Sacramento, CA 958154324
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- June 13, 2025
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- California #A149260 · Oregon #MD191182
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205241122. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
427
Distinct HCPCS
6
Medicare allowed
$86,337
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 182 | 42 | $307 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 80 | 37 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 68 | 35 | $82 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 56 | 48 | $136 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 26 | 26 | $176 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 15 | 15 | $180 |
In context: peer comparison
Among 1 peers in Folsom Nephrology Physician, average services per provider: 71. This provider delivers 6.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
197
Patients
74
Total drug cost
$15,077
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 29 | 0 | $466 |
| Lisinopril | Generic | 26 | 11 | $214 |
| Calcitriol | Generic | 20 | 12 | $377 |
| Furosemide | Generic | 20 | 14 | $250 |
| Hydralazine Hcl | Generic | 20 | 13 | $560 |
| Calcium Acetate | Generic | 17 | 12 | $2,114 |
| Amlodipine Besylate | Generic | 16 | 12 | $166 |
| Sevelamer Carbonate | Generic | 14 | 0 | $8,788 |
| Potassium Citrate ER (Potassium Citrate) | Brand | 13 | 0 | $1,149 |
| Chlorthalidone | Generic | 11 | 0 | $334 |
Hospital affiliations
Frequently asked questions
What is Dr. Maria Joana Thomas's medical specialty?
Dr. Maria Joana Thomas practices Nephrology Physician in Folsom, CA.
Where does Dr. Maria Joana Thomas practice?
Dr. Maria Joana Thomas practices at 1600 Creekside Dr Ste 3600, Folsom, CA 956303446. Office phone: 9162357790.
What is Dr. Maria Joana Thomas's NPI?
Dr. Maria Joana Thomas's National Provider Identifier (NPI) is 1205241122, issued by NPPES.
Does Dr. Maria Joana Thomas accept Medicare assignment?
Yes. Dr. Maria Joana Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Joana Thomas commonly perform?
Top Medicare-reported procedures in 2023: Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.