Brian Penton, M.D.
NPI 1558316083 · Nephrology Physician · San Luis Obispo, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Brian Penton, M.D. is a Nephrology Physician provider in San Luis Obispo, CA (NPI 1558316083).
Provider details
- NPI number
- 1558316083
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A84188 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,248 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 | 653 | $123 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 180 | $329 |
| Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961 | 145 | $274 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 120 | $109 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 56 | $211 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Calcitriol | 118 | 40 |
| Amlodipine Besylate | 99 | 34 |
| Doxazosin Mesylate | 87 | 27 |
| Losartan Potassium | 77 | 28 |
| Parenteral Amino Acid 20% No.1brand: Prosol | 73 | — |
| Allopurinol | 64 | 22 |
| Lisinopril | 62 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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
Additional practice locations (2)
- 850 Fair Oaks Ave Ste 20Arroyo Grande, CA 93420-3923Phone: (805) 547-2224Fax: (805) 474-5276
- 350 Posada Ln Ste 202Templeton, CA 93465-4060Phone: (805) 434-5497Fax: (805) 434-0917
Registry dates
- Enumerated
- 2006-05-23
- Last updated
- 2023-11-03
- Certified
- 2023-11-03
Frequently asked questions
- What is Brian Penton's NPI number?
- Brian Penton's National Provider Identifier (NPI) is 1558316083, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Penton's specialty?
- Brian Penton is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Brian Penton located?
- Brian Penton's practice location on file with NPPES is 1551 Bishop St Bldg a Ste 110, San Luis Obispo, CA 93401-4692.
- What is Brian Penton's phone number?
- The practice phone number listed in the NPPES registry for Brian Penton is (805) 548-8585.
- Does Brian Penton accept Medicare?
- Brian Penton is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Brian Penton's NPI active?
- Yes — Brian Penton's NPI (1558316083) is active in the NPPES registry as of the last update on 2023-11-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.