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Obstetrics/Gynecology

Gina R. Allison, MD

Works at hospitals in Tualatin, OR · Portland, OR · Oregon

Summary

Dr. Gina R. Allison, MD is an OB-GYN at 1508 Division St, Suite 205, Oregon City, OR 97045. Phone: (503) 657-1071. Accepts Medicare assignment. In 2024, Gina R. Allison had 100 Original Medicare patients and 286 services. NPI 1710969340. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1508 Division St, Suite 205, Oregon City, OR 97045 · Directions (2 more locations)
  • Phone: (503) 657‑1071
  • Medicare: Accepts Medicare assignment
  • Hospitals: Legacy Meridian Park Medical Center, OHSU Hospital and Clinics
  • Group practice: Womens Healthcare Associates LLC
  • Medical school: University Of Washington School Of Medicine · graduated 1996 (30 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Gina R. Allison, 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 Gina R. Allison accept Medicare assignment?
Yes. Medicare's clinician data says Gina R. Allison 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 Gina R. Allison see?
In 2024, CMS data shows 100 Original Medicare patients and 286 services for Gina R. Allison. This counts Original Medicare only and measures volume, not quality.
What is Gina R. Allison's NPI number?
1710969340. 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 Gina R. Allison, 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 patients100
Services billed to Medicare286
Different services or procedures40
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)79 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
  3. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)21 services
  4. Pelvic exam (99459)16 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 cholesterol65%
  • High blood pressure46%
  • Arthritis44%
  • Anxiety25%
  • Depression21%
  • Osteoporosis18%

Hospitals where Gina R. Allison works

Medicare's Facility Affiliation Data lists Gina R. Allison 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 Gina R. Allison is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gina R. Allison as a member of this group (CMS data updated October 2, 2026).

  • Womens Healthcare Associates LLC104 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Oregon →

Other OB-GYNs in Oregon City

Clinicians with the same Medicare primary specialty in Oregon City, OR — not a recommendation.

All OB-GYNs in Oregon City →

Other clinicians in Womens Healthcare Associates LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year1996 (30 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1710969340
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