Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

William K. Harris Ii, MD

Works at hospitals in Tulsa, OK · Oklahoma

Summary

Dr. William K. Harris Ii, MD is an OB-GYN at 8803 S 101st E Ave, Suite 205, Tulsa, OK 74133. Phone: (918) 858-0008. Accepts Medicare assignment. In 2024, William K. Harris Ii had 49 Original Medicare patients and 77 services. NPI 1720015415. 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: 8803 S 101st E Ave, Suite 205, Tulsa, OK 74133 · Directions
  • Phone: (918) 858‑0008
  • Medicare: Accepts Medicare assignment
  • Hospital: Hillcrest Hospital South
  • Group practice: Ahs Oklahoma Physician Group LLC
  • Medical school: University Of Oklahoma College Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about William K. Harris Ii, 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 William K. Harris Ii accept Medicare assignment?
Yes. Medicare's clinician data says William K. Harris Ii 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 William K. Harris Ii see?
In 2024, CMS data shows 49 Original Medicare patients and 77 services for William K. Harris Ii. This counts Original Medicare only and measures volume, not quality.
What is William K. Harris Ii's NPI number?
1720015415. 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 William K. Harris Ii, 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 patients49
Services billed to Medicare77
Different services or procedures21
Participating Medicare providerYes
Average age of these patients66

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)27 services
  2. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)15 services
  3. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)14 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 pressure69%
  • High cholesterol63%
  • Arthritis39%
  • Anxiety37%
  • Depression29%
  • Asthma22%

Hospitals where William K. Harris Ii works

Medicare's Facility Affiliation Data lists William K. Harris Ii 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.

  • Hillcrest Hospital SouthTulsa, OK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 370202

Practice locations

Addresses where William K. Harris Ii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists William K. Harris Ii as a member of this group (CMS data updated October 2, 2026).

  • Ahs Oklahoma Physician Group LLC313 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Oklahoma →

Other OB-GYNs in Tulsa

Clinicians with the same Medicare primary specialty in Tulsa, OK — not a recommendation.

All OB-GYNs in Tulsa →

Other clinicians in Ahs Oklahoma Physician Group LLC

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

Clinician information

CredentialMD
Medical schoolUniversity Of Oklahoma College Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1720015415
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