Stephen Bradley, MD
NPI 1699746446 · Addiction Medicine (Family Medicine) Physician · Lakeport, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Bradley, MD is a Addiction Medicine (Family Medicine) Physician provider in Lakeport, CA (NPI 1699746446).
Provider details
- NPI number
- 1699746446
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- C41489 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
571 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 | 162 | $130 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 135 | $183 |
| Testing for Presence of Drug, Read By Direct Observation80305 | 102 | $12 |
| Smoking and Tobacco Use Intensive Counseling, More Than 10 Minutes99407 | 85 | $27 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 54 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 59 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 158 | 15 |
| Amlodipine Besylate | 115 | 32 |
| Telmisartan | 76 | 17 |
| Levothyroxine Sodium | 67 | 24 |
| Metoprolol Succinate | 56 | 17 |
| Montelukast Sodium | 54 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$110 across 1 record (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
- 2006-01-30
- Last updated
- 2022-09-12
- Certified
- 2022-09-12
Frequently asked questions
- What is Stephen Bradley's NPI number?
- Stephen Bradley's National Provider Identifier (NPI) is 1699746446, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Bradley's specialty?
- Stephen Bradley is listed in the NPPES registry with a primary specialty of Addiction Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Bradley located?
- Stephen Bradley's practice location on file with NPPES is 5375 Lakeshore Blvd, Lakeport, CA 95453-6123.
- What is Stephen Bradley's phone number?
- The practice phone number listed in the NPPES registry for Stephen Bradley is (707) 263-5679.
- Does Stephen Bradley accept Medicare?
- Stephen Bradley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Bradley's NPI active?
- Yes — Stephen Bradley's NPI (1699746446) is active in the NPPES registry as of the last update on 2022-09-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.