Kosuke Iwaki, M.D.
NPI 1386091585 · Internal Medicine Physician · Fresno, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kosuke Iwaki, M.D. is a Internal Medicine Physician provider in Fresno, CA (NPI 1386091585).
Provider details
- NPI number
- 1386091585
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A162107 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
261 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 102 | $86 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 50 | $89 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 43 | $54 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 38 | $143 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 28 | $129 |
Typical Medicare-allowed amounts for these services range $54–$143 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 1303 E Herndon AveFresno, CA 93720Phone: (559) 450-5611Fax: (559) 450-7470
- 410 Woodward Ave Apt 1lRidgewood, NY 11385-1540Phone: (917) 769-4447
Registry dates
- Enumerated
- 2016-05-17
- Last updated
- 2019-12-11
- Certified
- 2019-12-11
Frequently asked questions
- What is Kosuke Iwaki's NPI number?
- Kosuke Iwaki's National Provider Identifier (NPI) is 1386091585, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kosuke Iwaki's specialty?
- Kosuke Iwaki is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Kosuke Iwaki located?
- Kosuke Iwaki's practice location on file with NPPES is 1303 E Herndon Ave, Fresno, CA 93720.
- What is Kosuke Iwaki's phone number?
- The practice phone number listed in the NPPES registry for Kosuke Iwaki is (559) 450-5611.
- Does Kosuke Iwaki accept Medicare?
- Kosuke Iwaki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kosuke Iwaki's NPI active?
- Yes — Kosuke Iwaki's NPI (1386091585) is active in the NPPES registry as of the last update on 2019-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.