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Obstetrics/Gynecology

Lindsey Threlkeld, MD

Works at hospitals in Leonardtown, MD · Maryland

Summary

Dr. Lindsey Threlkeld, MD is an OB-GYN at 25500 Point Lookout Rd, Leonardtown, MD 20650. Phone: (240) 434-4088. Accepts Medicare assignment. In 2024, Lindsey Threlkeld had 42 Original Medicare patients and 59 services. NPI 1477013027. 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: 25500 Point Lookout Rd, Leonardtown, MD 20650 · Directions (1 more location)
  • Phone: (240) 434‑4088
  • Medicare: Accepts Medicare assignment
  • Hospital: MedStar Saint Mary's Hospital
  • Group practice: MedStar Medical Group II LLC
  • Medical school: graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Lindsey Threlkeld, 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 Lindsey Threlkeld accept Medicare assignment?
Yes. Medicare's clinician data says Lindsey Threlkeld 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 Lindsey Threlkeld see?
In 2024, CMS data shows 42 Original Medicare patients and 59 services for Lindsey Threlkeld. This counts Original Medicare only and measures volume, not quality.
What is Lindsey Threlkeld's NPI number?
1477013027. 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 Lindsey Threlkeld, 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 patients42
Services billed to Medicare59
Different services or procedures21
Participating Medicare providerYes
Average age of these patients69

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 pressure75%
  • Arthritis64%
  • High cholesterol62%
  • Depression29%
  • Anxiety29%
  • Diabetes26%

Hospitals where Lindsey Threlkeld works

Medicare's Facility Affiliation Data lists Lindsey Threlkeld 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.

  • MedStar Saint Mary's HospitalLeonardtown, MD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 210028

Practice locations

Addresses where Lindsey Threlkeld is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lindsey Threlkeld as a member of this group (CMS data updated October 2, 2026).

  • MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Maryland →

Other OB-GYNs in Leonardtown

Clinicians with the same Medicare primary specialty in Leonardtown, MD — not a recommendation.

All OB-GYNs in Leonardtown →

Other clinicians in MedStar Medical Group II LLC

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

Clinician information

CredentialMD
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1477013027
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