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Family Practice

Carryl T. Oei, DO

Sees patients in Dallas, TX · Texas

Summary

Dr. Carryl T. Oei, DO is a family doctor at 4844 Greenville Ave, Dallas, TX 75206. Phone: (214) 295-9410. Accepts Medicare assignment. In 2024, Carryl T. Oei had 183 Original Medicare patients and 589 services. NPI 1306038336. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 4844 Greenville Ave, Dallas, TX 75206 · Directions
  • Phone: (214) 295‑9410
  • Medicare: Accepts Medicare assignment
  • Group practice: Primary Health Physicians PLLC
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Carryl T. Oei, 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 Carryl T. Oei accept Medicare assignment?
Yes. Medicare's clinician data says Carryl T. Oei 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 Carryl T. Oei see?
In 2024, CMS data shows 183 Original Medicare patients and 589 services for Carryl T. Oei. This counts Original Medicare only and measures volume, not quality.
What is Carryl T. Oei's NPI number?
1306038336. 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 Carryl T. Oei, 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 patients183
Services billed to Medicare589
Different services or procedures40
Participating Medicare providerYes
Average age of these patients72

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)122 services
  2. Injection, ceftriaxone sodium, per 250 mg (J0696)56 services
  3. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)51 services
  4. Injection of drug or substance under skin or into muscle (96372)30 services
  5. Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)25 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 cholesterol73%
  • High blood pressure66%
  • Arthritis49%
  • Diabetes24%
  • Anxiety21%
  • Ischemic heart disease19%

Practice locations

Addresses where Carryl T. Oei is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carryl T. Oei as a member of this group (CMS data updated October 2, 2026).

  • Primary Health Physicians PLLC239 clinicians in the group

Specialties

Find other Family Practice doctors in Texas →

Other family doctors in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

All family doctors in Dallas →

Other clinicians in Primary Health Physicians PLLC

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

Clinician information

CredentialDO
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306038336
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians