WILLIAM LOYD SCHLEGEL (D.O.) – Cardiovascular Disease Physician, NPI 1487640223

WILLIAM LOYD SCHLEGEL (D.O.) is a healthcare provider. based in Jefferson city, Missouri. specializing in CARDIOVASCULAR DISEASE (CARDIOLOGY), INTERNAL MEDICINE. They hold the professional credentials D.O.. They hold a License No. 36446 (MO). The NPI Number for WILLIAM LOYD SCHLEGEL (D.O.) is 1487640223

Main info

Male
44 Years Of Experience
Accepts Medicare Assignment
Name
WILLIAM LOYD SCHLEGEL (D.O.)
NPI
1487640223
Phone
(573) 636-0635
Address
3501 A WEST TRUMAN BLVD
Enumeration Date
27 September 2005
Last Update Date
17 June 2009

Doctor Profile

Medical School Name
OTHER
Secondary Phone
5736592001
Graduation Year
1982 (44 years ago)
PAC ID
3274623624
Group Practice PAC ID
4486759560
Professional Enrollment ID
I20080703000029
Address ID
MO651095715JE3501XBLVD500
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

783 CARDIOVASCULAR DISEASE (CARDIOLOGY) in MO

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Provider Addresses for WILLIAM LOYD SCHLEGEL (D.O.)

  • West Truman Boulevard, Jefferson City, Cole County, Missouri, 65109, United States

    JEFFERSON CITY, MO 65109

    Phone: (573) 636-0635

    Fax: (573) 659-4685

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2008-07-03

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20080703000029ICardiovascular Disease (Cardiology)MOTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
93016Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician194193$0
93018Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician194193$0
View full utilization report →

Insurance plans in this area (ZIP 65109)

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Provider's Procedures

WILLIAM LOYD SCHLEGEL (D.O.) performs procedures in CARDIOVASCULAR DISEASE (CARDIOLOGY). See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
CARDIOVASCULAR DISEASE (CARDIOLOGY)MO78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies8787
CARDIOVASCULAR DISEASE (CARDIOLOGY)MO93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart4141

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4486759560View full group profile

Reviews

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Frequently asked questions

What number should I use to identify WILLIAM LOYD SCHLEGEL (D.O.) for billing?
Administrative and clinical systems typically use NPI 1487640223 for WILLIAM LOYD SCHLEGEL (D.O.).
Quick check: is WILLIAM LOYD SCHLEGEL (D.O.) active?
Public NPPES data shows WILLIAM LOYD SCHLEGEL (D.O.) with an active NPI status right now.
How should patients interpret WILLIAM LOYD SCHLEGEL (D.O.)'s specialty?
The extract shows Cardiovascular Disease Physician for WILLIAM LOYD SCHLEGEL (D.O.). Clinical services aligned with this taxonomy classification.
Is WILLIAM LOYD SCHLEGEL (D.O.) tied to Jefferson City, Missouri?
If you are local to Jefferson City, Missouri, WILLIAM LOYD SCHLEGEL (D.O.) may be relevant to your search.
Can I verify credentials using only NPI?
NPI confirms identity in the directory; licensure and board certification require separate checks.

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