Stephen Peter Bradley, MD
Addiction Medicine (Family Medicine) Physician · Lakeport, CA
Stephen Peter Bradley, MD is an addiction medicine (family medicine) physician with a practice address in Lakeport, California, and NPI 1699746446, issued on Jan 30, 2006. Check the license (California C41489, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen Peter Bradley
- Credential
- MD
- Primary taxonomy
- Addiction Medicine (Family Medicine) Physician 207QA0401X
- License number
- C41489 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5375 Lakeshore Blvd, Lakeport, CA 95453
- Phone
- (707) 263-5679
- Enumerated
- Jan 30, 2006
- Record last updated
- Sep 12, 2022
- Fax
- (707) 263-7781
- Medicaid ID
- 00C414890 CA
- Medicare enrollment
- Enrolled (PECOS I20091229000338); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest addiction medicine (family medicine) physician records → All 124 in California → Look up another NPI →
Verify Stephen Peter Bradley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C41489Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average addiction medicine (family medicine) physician in 2024
2,089 Medicare Part D claims for 137 beneficiaries, against an average of 664 among the 581 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Buprenorphine-Naloxone158 claims
- Amlodipine Besylate115 claims
- Telmisartan76 claims
- Levothyroxine Sodium67 claims
- Metoprolol Succinate56 claims
- Montelukast Sodium54 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $110.12
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 305 providers of this specialty with any payment received $1,151.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Stephen Peter Bradley among 124 addiction medicine (family medicine) physician records in California
Stephen Peter Bradley, MD is one of 124 addiction medicine (family medicine) physician records with a practice address in California. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 73% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1977 · median 2015 among the 64 with a school on file
- Record last updated2022 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0401X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Medicine (Family Medicine) Physician providers in California
There are 124 addiction medicine (family medicine) physician records in California.
All 124 in California → Every provider in Lakeport → Addiction Medicine (Family Medicine) Physician nationwide →
The 8 addiction medicine (family medicine) physician records with the nearest ZIP codes
- Robert GardnerLucerne, CA 954581023183829
- Cara Eberhardt, MDUkiah, CA 954821174151450
- Parker Duncan Diaz, MD, MPH, FAAFPSanta Rosa, CA 954071033434923
- Elyse Eisenberg, M.D.Santa Rosa, CA 954051316966815
- Myles Ketchum, M.D., PH.D.Santa Rosa, CA 954031093249864
- Eva Smith, M.D., M.P.H.Hoopa, CA 955461982773099
- Susan Nylen, NFPManteca, CA 953361205823077
- Andrea Silva, MDCeres, CA 953071942792007
Common questions
What is Stephen Peter Bradley, MD's NPI number?
Stephen Peter Bradley, MD's National Provider Identifier (NPI) is 1699746446, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Peter Bradley, MD located?
The NPPES record lists a practice address at 5375 Lakeshore Blvd, Lakeport, CA, 95453. Phone: (707) 263-5679. Providers update this record themselves, so call before visiting.
How can I verify Stephen Peter Bradley, MD's license?
NPPES lists California license number C41489, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stephen Peter Bradley, MD prescribe under Medicare Part D?
In 2024, Stephen Peter Bradley, MD had 2,089 Medicare Part D claims for 137 beneficiaries; the average among addiction medicine (family medicine) physician prescribers was 664. Part D covers Medicare prescriptions only.
What is Stephen Peter Bradley, MD's MIPS final score?
The 2023 MIPS final score is 78.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.