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Obstetrics/Gynecology

Charles B. Boag Iii, DO

Sees patients in Chandler, AZ · Arizona

Summary

Dr. Charles B. Boag Iii, DO is an OB-GYN at 1950 W Frye Rd, Suite B, Chandler, AZ 85224. Phone: (480) 895-9555. Accepts Medicare assignment. In 2024, Charles B. Boag Iii had 76 Original Medicare patients and 211 services. NPI 1790956027. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1950 W Frye Rd, Suite B, Chandler, AZ 85224 · Directions
  • Phone: (480) 895‑9555
  • Medicare: Accepts Medicare assignment
  • Group practice: Arizona Ob Gyn Affiliates PC
  • Medical school: graduated 2008 (18 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Charles B. Boag Iii, 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 Charles B. Boag Iii accept Medicare assignment?
Yes. Medicare's clinician data says Charles B. Boag Iii 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 Charles B. Boag Iii see?
In 2024, CMS data shows 76 Original Medicare patients and 211 services for Charles B. Boag Iii. This counts Original Medicare only and measures volume, not quality.
What is Charles B. Boag Iii's NPI number?
1790956027. 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 Charles B. Boag Iii, 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 patients76
Services billed to Medicare211
Different services or procedures27
Participating Medicare providerYes
Average age of these patients71

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)82 services
  2. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)29 services
  3. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)12 services
  4. Ultrasound scan of uterus, ovaries, tubes, cervix and pelvic area through vagina (76830)11 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 cholesterol74%
  • High blood pressure61%
  • Arthritis53%
  • Anxiety30%
  • Depression24%
  • Osteoporosis18%

Practice locations

Addresses where Charles B. Boag Iii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Charles B. Boag Iii as a member of this group (CMS data updated October 2, 2026).

  • Arizona Ob Gyn Affiliates PC123 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Arizona →

Other OB-GYNs in Chandler

Clinicians with the same Medicare primary specialty in Chandler, AZ — not a recommendation.

All OB-GYNs in Chandler →

Other clinicians in Arizona Ob Gyn Affiliates PC

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

Clinician information

CredentialDO
Graduation year2008 (18 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790956027
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