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

Obstetrics/Gynecology

Lyndsey J. Day, MD

Works at hospitals in Davenport, IA · Iowa

Summary

Dr. Lyndsey J. Day, MD is an OB-GYN at 5350 Eastern Ave, Davenport, IA 52807. Phone: (563) 355-1853. Accepts Medicare assignment. In 2024, Lyndsey J. Day had 155 Original Medicare patients and 1,451 services. NPI 1922249887. 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: 5350 Eastern Ave, Davenport, IA 52807 · Directions
  • Phone: (563) 355‑1853
  • Medicare: Accepts Medicare assignment
  • Hospital: Genesis Medical Center-Davenport
  • Group practice: Obstetrics and Gynecology Specialists PC
  • Medical school: Loyola University Of Chicago, Stritch School Of Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lyndsey J. Day, 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 Lyndsey J. Day accept Medicare assignment?
Yes. Medicare's clinician data says Lyndsey J. Day 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 Lyndsey J. Day see?
In 2024, CMS data shows 155 Original Medicare patients and 1,451 services for Lyndsey J. Day. This counts Original Medicare only and measures volume, not quality.
What is Lyndsey J. Day's NPI number?
1922249887. 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 Lyndsey J. Day, 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 patients155
Services billed to Medicare1,451
Different services or procedures38
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)1,080 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)124 services
  3. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)49 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)33 services
  5. Dxa bone density measurement of hip, pelvis, spine (77080)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 cholesterol64%
  • High blood pressure59%
  • Arthritis45%
  • Osteoporosis30%
  • Depression20%
  • Anxiety20%

Hospitals where Lyndsey J. Day works

Medicare's Facility Affiliation Data lists Lyndsey J. Day 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 Lyndsey J. Day is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lyndsey J. Day as a member of this group (CMS data updated October 2, 2026).

  • Obstetrics and Gynecology Specialists PC12 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Iowa →

Other OB-GYNs in Davenport

Clinicians with the same Medicare primary specialty in Davenport, IA — not a recommendation.

All OB-GYNs in Davenport →

Other clinicians in Obstetrics and Gynecology Specialists PC

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

Clinician information

CredentialMD
Medical schoolLoyola University Of Chicago, Stritch School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922249887
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