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Preventive Medicine

Penny E. Borenstein, MD

Sees patients in San Luis Obispo, CA · California

Summary

Penny E. Borenstein, MD (Preventive Medicine) is enrolled with Medicare at 1 practice location in San Luis Obispo, CA. NPI 1588830863. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

Call(508) 781‑5518 NPI Registry record Medicare profile

From official Medicare data

This page shows what Medicare's official clinician data says about Penny E. Borenstein, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

1Practice location
Preventive MedicinePrimary specialty
YesAccepts Medicare assignment
38Years since medical school (graduated 1988)
State University Of Ny Upstate Medical UniversityMedical school
FemaleGender (as listed)
County of San Luis ObispoGroup practice

Quick answers

Where does Penny E. Borenstein see patients?
Medicare's clinician data lists 1 practice location in San Luis Obispo, CA. Call before your visit to confirm the address.
What is Penny E. Borenstein's specialty?
Medicare lists Preventive Medicine as the primary specialty, and also Pediatric Medicine.
Does Penny E. Borenstein accept Medicare assignment?
Yes. Medicare's clinician data says Penny E. Borenstein accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Penny E. Borenstein?
(508) 781-5518, as listed in official Medicare / NPI Registry data.
What is Penny E. Borenstein's NPI number?
1588830863. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Penny E. Borenstein is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Penny E. Borenstein as a member of this group (CMS data updated 2026-10-02).

  • County of San Luis Obispo10 clinicians in the group

Specialties

Find other Preventive Medicine doctors in California →

Other preventive medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All preventive medicine doctors in California →

Clinician information

CredentialMD
Medical schoolState University Of Ny Upstate Medical University
Graduation year1988
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588830863
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians