Kenneth Starr, M.D.
NPI 1861431595 · Addiction Medicine (Internal Medicine) Physician · Arroyo Grande, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kenneth Starr, M.D. is a Addiction Medicine (Internal Medicine) Physician provider in Arroyo Grande, CA (NPI 1861431595).
Provider details
- NPI number
- 1861431595
- Entity type
- Individual
- Primary specialty
- Addiction Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD22323O (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Buprenorphine Hcl/Naloxone Hclbrand: Buprenorphine-Naloxone | 138 | 21 |
| Buprenorphine Hcl | 64 | 11 |
| Alprazolam | 37 | — |
| Buprenorphine Hcl/Naloxone Hclbrand: Suboxone | 36 | — |
| Diazepam | 31 | — |
| Gabapentin | 29 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$11,454 across 17 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
Additional practice locations (1)
- 1100 Las Tablas RdTempleton, CA 93465-9704Phone: (805) 434-4700
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2022-07-21
- Certified
- 2021-06-07
Frequently asked questions
- What is Kenneth Starr's NPI number?
- Kenneth Starr's National Provider Identifier (NPI) is 1861431595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kenneth Starr's specialty?
- Kenneth Starr is listed in the NPPES registry with a primary specialty of Addiction Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Kenneth Starr located?
- Kenneth Starr's practice location on file with NPPES is 107 Nelson St, Arroyo Grande, CA 93420-3318.
- What is Kenneth Starr's phone number?
- The practice phone number listed in the NPPES registry for Kenneth Starr is (805) 242-1360.
- Does Kenneth Starr accept Medicare?
- Kenneth Starr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kenneth Starr's NPI active?
- Yes — Kenneth Starr's NPI (1861431595) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.