Doctor profile · Federal record
Dr. Gonzalo Matzumura Umemoto, MD
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Saint Louis, MO
- NPI 1700236072
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1 Barnes Jewish Hospital Plz, Div Im Nephrology
Saint Louis, MO 631101003
(314) 362-7603
fax (314) 747-5213 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Missouri #2020039264
- Medicaid
- MO #200086457
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700236072. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,013
Distinct HCPCS
10
Medicare allowed
$121,832
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 284 | 100 | $77 | |
90935 |
Hemodialysis procedure with physician evaluation | 224 | 86 | $70 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 114 | 50 | $342 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 98 | 36 | $116 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 71 | 50 | $124 | |
90945 |
Dialysis procedure including 1 evaluation | 66 | 26 | $83 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 45 | 42 | $127 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 33 | 32 | $169 | |
81002 |
Urinalysis, manual test | 21 | 20 | $3 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 18 | 13 | $285 |
In context: peer comparison
Among 28 peers in this city , average services per provider: 96. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
231
Patients
15
Total drug cost
$25,231
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 43 | 15 | $399 |
| Furosemide | Generic | 25 | 0 | $188 |
| Carvedilol | Generic | 21 | 0 | $204 |
| Calcium Acetate | Generic | 19 | 0 | $1,936 |
| Amlodipine Besylate | Generic | 16 | 0 | $61 |
| Lisinopril | Generic | 16 | 0 | $93 |
| Lokelma (Sodium Zirconium Cyclosilicate) | Brand | 16 | 0 | $6,336 |
| Hydralazine Hcl | Generic | 15 | 0 | $234 |
| Atorvastatin Calcium | Generic | 13 | 0 | $197 |
| Jardiance (Empagliflozin) | Brand | 12 | 0 | $15,242 |
Hospital affiliations
Frequently asked questions
What is Dr. Gonzalo Matzumura Umemoto's medical specialty?
Dr. Gonzalo Matzumura Umemoto practices Nephrology Physician in Saint Louis, MO.
Where does Dr. Gonzalo Matzumura Umemoto practice?
Dr. Gonzalo Matzumura Umemoto practices at 1 Barnes Jewish Hospital Plz, Saint Louis, MO 631101003. Office phone: 3143627603.
What is Dr. Gonzalo Matzumura Umemoto's NPI?
Dr. Gonzalo Matzumura Umemoto's National Provider Identifier (NPI) is 1700236072, issued by NPPES.
Does Dr. Gonzalo Matzumura Umemoto accept Medicare assignment?
Yes. Dr. Gonzalo Matzumura Umemoto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gonzalo Matzumura Umemoto commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hemodialysis procedure with physician evaluation (HCPCS 90935); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960). Source: CMS Medicare Physician & Other Practitioners file.