Michael Ogawa, MD
NPI 1477896538 · Hematology & Oncology Physician · Chesterfield, MO
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Ogawa, MD is a Hematology & Oncology Physician provider in Chesterfield, MO (NPI 1477896538).
Provider details
- NPI number
- 1477896538
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,141 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 538 | $15 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 500 | $119 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 407 | $167 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 399 | $109 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 127 | $159 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 395 | 94 |
| Prochlorperazine Maleate | 116 | 66 |
| Ondansetron Hcl | 107 | 54 |
| Apixabanbrand: Eliquis | 100 | 21 |
| Hydroxyurea | 57 | 14 |
| Warfarin Sodium | 56 | — |
| Dexamethasone | 50 | 30 |
| Letrozole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,006 across 53 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1402 S. Grand, Fdt 14th FloorSt. Louis, MO 63104Phone: (314) 577-8767
Registry dates
- Enumerated
- 2013-03-27
- Last updated
- 2022-10-20
- Certified
- 2022-10-20
Frequently asked questions
- What is Michael Ogawa's NPI number?
- Michael Ogawa's National Provider Identifier (NPI) is 1477896538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Ogawa's specialty?
- Michael Ogawa is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Ogawa located?
- Michael Ogawa's practice location on file with NPPES is 232 S Woods Mill Rd, Chesterfield, MO 63017-3406.
- What is Michael Ogawa's phone number?
- The practice phone number listed in the NPPES registry for Michael Ogawa is (314) 205-6737.
- Does Michael Ogawa accept Medicare?
- Michael Ogawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Ogawa's NPI active?
- Yes — Michael Ogawa's NPI (1477896538) is active in the NPPES registry as of the last update on 2022-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.