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Family Practice

Gwenne N. Norcross, DO

Works at hospitals in Torrance, CA · California

Summary

Dr. Gwenne N. Norcross, DO is a family doctor at 65 A Peninsula Ctr, Rolling Hills Estates, CA 90274. Phone: (310) 541-8919. Accepts Medicare assignment. In 2024, Gwenne N. Norcross had 57 Original Medicare patients and 183 services. NPI 1972608438. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 65 A Peninsula Ctr, Rolling Hills Estates, CA 90274 · Directions
  • Phone: (310) 541‑8919
  • Medicare: Accepts Medicare assignment
  • Hospital: Torrance Memorial Medical Center
  • Group practice: Norcross Family Medicine, Inc.
  • Medical school: graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Gwenne N. Norcross, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Gwenne N. Norcross accept Medicare assignment?
Yes. Medicare's clinician data says Gwenne N. Norcross accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Gwenne N. Norcross see?
In 2024, CMS data shows 57 Original Medicare patients and 183 services for Gwenne N. Norcross. This counts Original Medicare only and measures volume, not quality.
What is Gwenne N. Norcross's NPI number?
1972608438. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Gwenne N. Norcross, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients57
Services billed to Medicare183
Different services or procedures15
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)77 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 services
  3. Influenza vaccine split virus, preservative free (90662)18 services
  4. Administration of influenza virus vaccine (G0008)17 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol67%
  • Arthritis35%

Hospitals where Gwenne N. Norcross works

Medicare's Facility Affiliation Data lists Gwenne N. Norcross at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Gwenne N. Norcross is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gwenne N. Norcross as a member of this group (CMS data updated October 2, 2026).

  • Norcross Family Medicine, Inc.2 clinicians in the group

Specialties

Find other Family Practice doctors in California →

Other family doctors in California

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

All family doctors in California →

Other clinicians in Norcross Family Medicine, Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972608438
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians