Steven Oyakawa, M.D.
NPI 1669486254 · Internal Medicine Physician · Fairlawn, OH
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Oyakawa, M.D. is a Internal Medicine Physician provider in Fairlawn, OH (NPI 1669486254).
Provider details
- NPI number
- 1669486254
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35052950 (OH)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,177 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 792 | $75 |
| Assessment of Emotional Or Behavioral Problems96127 | 142 | $4 |
| Administration of Influenza Virus VaccineG0008 | 92 | $30 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 36 | $13 |
| Admn Sarscov2 Vacc 1 Dose90480 | 33 | $41 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 177 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 979 | 293 |
| Levothyroxine Sodium | 861 | 231 |
| Amlodipine Besylate | 700 | 194 |
| Lisinopril | 577 | 162 |
| Losartan Potassium | 481 | 138 |
| Omeprazole | 426 | 133 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2011-08-17
Frequently asked questions
- What is Steven Oyakawa's NPI number?
- Steven Oyakawa's National Provider Identifier (NPI) is 1669486254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Oyakawa's specialty?
- Steven Oyakawa is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Oyakawa located?
- Steven Oyakawa's practice location on file with NPPES is 3600 W Market St, Fairlawn, OH 44333-4540.
- What is Steven Oyakawa's phone number?
- The practice phone number listed in the NPPES registry for Steven Oyakawa is (330) 666-2700.
- Does Steven Oyakawa accept Medicare?
- Steven Oyakawa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Oyakawa's NPI active?
- Yes — Steven Oyakawa's NPI (1669486254) is active in the NPPES registry as of the last update on 2011-08-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.