Neil Okamura, D.O.
NPI 1437261781 · Internal Medicine Physician · Danville, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Neil Okamura, D.O. is a Internal Medicine Physician provider in Danville, CA (NPI 1437261781).
Provider details
- NPI number
- 1437261781
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20A6158 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,287 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 630 | $150 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 139 | $154 |
| Stool Analysis for Blood to Screen for Colon Tumors82270 | 78 | $4 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 77 | $203 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 73 | $109 |
| Annual Depression Screening, 5 to 15 MinutesG0444 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 72 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 231 | 62 |
| Rosuvastatin Calcium | 118 | 35 |
| Amlodipine Besylate | 114 | 33 |
| Levothyroxine Sodium | 86 | 23 |
| Ezetimibe | 85 | 24 |
| Gabapentin | 66 | 14 |
| Lisinopril | 56 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$634 across 20 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
Registry dates
- Enumerated
- 2006-08-31
- Last updated
- 2020-01-30
- Certified
- 2020-01-30
Frequently asked questions
- What is Neil Okamura's NPI number?
- Neil Okamura's National Provider Identifier (NPI) is 1437261781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Neil Okamura's specialty?
- Neil Okamura is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Neil Okamura located?
- Neil Okamura's practice location on file with NPPES is 1320 El Capitan Dr Ste 310, Danville, CA 94526-6258.
- What is Neil Okamura's phone number?
- The practice phone number listed in the NPPES registry for Neil Okamura is (925) 380-6211.
- Does Neil Okamura accept Medicare?
- Neil Okamura is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Neil Okamura's NPI active?
- Yes — Neil Okamura's NPI (1437261781) is active in the NPPES registry as of the last update on 2020-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.