Tomoko Okada
NPI 1609293554 · Internal Medicine Physician · Jamaica Plain, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tomoko Okada is a Internal Medicine Physician provider in Jamaica Plain, MA (NPI 1609293554).
Provider details
- NPI number
- 1609293554
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- 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 tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
542 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 138 | $139 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 101 | $140 |
| 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 | 72 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 71 | $98 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $195 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 67 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 347 | 105 |
| Amlodipine Besylate | 258 | 70 |
| Lisinopril | 195 | 65 |
| Omeprazole | 140 | 46 |
| Levothyroxine Sodium | 122 | 35 |
| Hydrochlorothiazide | 85 | 21 |
| Metformin Hcl | 80 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-03-27
- Last updated
- 2018-07-16
Frequently asked questions
- What is Tomoko Okada's NPI number?
- Tomoko Okada's National Provider Identifier (NPI) is 1609293554, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tomoko Okada's specialty?
- Tomoko Okada is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tomoko Okada located?
- Tomoko Okada's practice location on file with NPPES is 1153 Centre St, Jamaica Plain, MA 02130.
- What is Tomoko Okada's phone number?
- The practice phone number listed in the NPPES registry for Tomoko Okada is (617) 638-6500.
- Does Tomoko Okada accept Medicare?
- Tomoko Okada is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tomoko Okada's NPI active?
- Yes — Tomoko Okada's NPI (1609293554) is active in the NPPES registry as of the last update on 2018-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.