Doctor profile · Federal record
Dr. Takaaki Ishiyama, M.D.
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Saint Louis, MO
- NPI 1386865822
- Accepts Medicare
- MIPS 79.1 / 100 · 2023
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1201 S Grand Blvd
Saint Louis, MO 631041016
(314) 317-0600
fax (314) 317-0606 - Mailing address
-
Slu Care Academic Pavilion, 1008 South Spring
Saint Louis, MO 631102520
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- February 1, 2021
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Missouri #2008022989
- Medicaid
- MO #1386865822
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386865822. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
393
Distinct HCPCS
6
Medicare allowed
$36,636
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 243 | 83 | $78 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 66 | 39 | $117 | |
99239 |
Hospital discharge day management, more than 30 minutes | 24 | 24 | $113 | |
99238 |
Hospital discharge day management, 30 minutes or less | 23 | 22 | $79 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 20 | 20 | $128 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 17 | 17 | $171 |
In context: peer comparison
Among 109 peers in this city , average services per provider: 96. This provider delivers 4.1× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Takaaki Ishiyama's medical specialty?
Dr. Takaaki Ishiyama practices Hospitalist Physician in Saint Louis, MO.
Where does Dr. Takaaki Ishiyama practice?
Dr. Takaaki Ishiyama practices at 1201 S Grand Blvd, Saint Louis, MO 631041016. Office phone: 3143170600.
What is Dr. Takaaki Ishiyama's NPI?
Dr. Takaaki Ishiyama's National Provider Identifier (NPI) is 1386865822, issued by NPPES.
Does Dr. Takaaki Ishiyama accept Medicare assignment?
Yes. Dr. Takaaki Ishiyama accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Takaaki Ishiyama commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.