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Obstetrics/Gynecology

Richard W. Gates Ii, MD

Works at hospitals in Carmel, IN · Indianapolis, IN · Indiana

Summary

Dr. Richard W. Gates Ii, MD is an OB-GYN at 6866 W Stonegate Dr, Suite 102, Zionsville, IN 46077. Phone: (317) 415-1000. Accepts Medicare assignment. In 2024, Richard W. Gates Ii had 114 Original Medicare patients and 255 services. NPI 1306812078. 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: 6866 W Stonegate Dr, Suite 102, Zionsville, IN 46077 · Directions (1 more location)
  • Phone: (317) 415‑1000
  • Medicare: Accepts Medicare assignment
  • Hospitals: Ascension St Vincent Carmel, Ascension St Vincent Hospital
  • Group practice: Seven Hills Ob-Gyn Associates LLC
  • Medical school: Indiana University School Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Richard W. Gates 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 Richard W. Gates Ii accept Medicare assignment?
Yes. Medicare's clinician data says Richard W. Gates 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 Richard W. Gates Ii see?
In 2024, CMS data shows 114 Original Medicare patients and 255 services for Richard W. Gates Ii. This counts Original Medicare only and measures volume, not quality.
What is Richard W. Gates Ii's NPI number?
1306812078. 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 Richard W. Gates 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 patients114
Services billed to Medicare255
Different services or procedures20
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)54 services
  2. Screening 3d breast mammography (77063)31 services
  3. Screening mammography (77067)31 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)31 services
  5. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)22 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 cholesterol67%
  • High blood pressure60%
  • Arthritis42%
  • Ischemic heart disease24%
  • Anxiety24%
  • Diabetes18%

Hospitals where Richard W. Gates Ii works

Medicare's Facility Affiliation Data lists Richard W. Gates 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.

Practice locations

Addresses where Richard W. Gates Ii is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Richard W. Gates Ii as a member of this group (CMS data updated October 2, 2026).

  • Seven Hills Ob-Gyn Associates LLC91 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Indiana →

Other OB-GYNs in Zionsville

Clinicians with the same Medicare primary specialty in Zionsville, IN — not a recommendation.

All OB-GYNs in Zionsville →

Other clinicians in Seven Hills Ob-Gyn Associates LLC

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

Clinician information

CredentialMD
Medical schoolIndiana University School Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306812078
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