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Obstetrics/Gynecology

Kristine Y. Lain, MD

Sees patients in Louisville, KY · Kentucky

Summary

Dr. Kristine Y. Lain, MD is an OB-GYN at 601 S Floyd St, Suite 700, Louisville, KY 40202. Phone: (502) 629-7181. Accepts Medicare assignment. In 2024, Kristine Y. Lain had 13 Original Medicare patients and 67 services. NPI 1821039215. 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: 601 S Floyd St, Suite 700, Louisville, KY 40202 · Directions
  • Phone: (502) 629‑7181
  • Medicare: Accepts Medicare assignment
  • Group practice: Community Medical Associates Inc
  • Medical school: University Of Chicago, Pritzker School Of Medicine · graduated 1994 (32 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kristine Y. Lain, 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 Kristine Y. Lain accept Medicare assignment?
Yes. Medicare's clinician data says Kristine Y. Lain 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 Kristine Y. Lain see?
In 2024, CMS data shows 13 Original Medicare patients and 67 services for Kristine Y. Lain. This counts Original Medicare only and measures volume, not quality.
What is Kristine Y. Lain's NPI number?
1821039215. 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 Kristine Y. Lain, 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 patients13
Services billed to Medicare67
Different services or procedures16
Participating Medicare providerYes
Average age of these patients29

Practice locations

Addresses where Kristine Y. Lain is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kristine Y. Lain as a member of this group (CMS data updated October 2, 2026).

  • Community Medical Associates Inc1,372 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Kentucky →

Other OB-GYNs in Louisville

Clinicians with the same Medicare primary specialty in Louisville, KY — not a recommendation.

All OB-GYNs in Louisville →

Other clinicians in Community Medical Associates Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Chicago, Pritzker School Of Medicine
Graduation year1994 (32 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821039215
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