LEONARD J. BAYS (MD) – Anesthesiology Physician, NPI 1578548319

LEONARD J. BAYS (MD) is a healthcare provider. based in Dallas, Texas. specializing in ANESTHESIOLOGY. They hold the professional credentials MD. They hold a License No. H6038 (TX). The NPI Number for LEONARD J. BAYS (MD) is 1578548319

Main info

Male
38 Years Of Experience
Accepts Medicare Assignment
Name
LEONARD J. BAYS (MD)
NPI
1578548319
Phone
(972) 715-5000
Address
6606 Lbj Fwy
Enumeration Date
14 December 2005
Last Update Date
27 April 2020

Doctor Profile

Medical School Name
UNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Secondary Phone
2144075019
Graduation Year
1988 (38 years ago)
PAC ID
3476609306
Group Practice PAC ID
7315850351
Professional Enrollment ID
I20090918000072
Address ID
TX750344069FR5601XPKWY315
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

4,591 ANESTHESIOLOGY in TX

Provider Addresses for LEONARD J. BAYS (MD)

  • 6606 Lbj Fwy

    Suite 200

    Dallas, TX 75240

    Phone: (972) 715-5000

    Fax: (972) 715-9976

    Type: Location

  • Band Box Place, Dallas, Dallas County, Texas, 75244, United States

    DALLAS, TX 752840853

    Phone: (972) 715-5000

    Fax: (972) 715-9976

    Type: Mailing

  • South Tyler Street, Amarillo, Potter County, Texas, 79101, United States

    AMARILLO, TX 791012304

    Phone: (972) 715-5000

    Fax: (972) 715-9976

    Type: Location

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: 2009-09-18

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
I20090918000072IAnesthesiologyTXTBD

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
01402Anesthesia for procedure for total knee joint replacement2424$0
View full utilization report →

Insurance plans in this area (ZIP 75240)

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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: 7315850351View full group profile
NameSpecialtyState
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
A N E S T H E S I O L O G YTX
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
Certified Registered Nurse Anesthetist (Crna)TX
-TX
-TX
-TX
A N E S T H E S I O L O G YTX

Reviews

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Frequently asked questions

What NPI should I save for LEONARD J. BAYS (MD)?
Save NPI 1578548319 if you need a stable reference for LEONARD J. BAYS (MD).
Does this profile mean LEONARD J. BAYS (MD) is currently active?
Yes — LEONARD J. BAYS (MD) appears active in the national provider directory.
Can you summarize LEONARD J. BAYS (MD)'s specialty in plain language?
Clinically, the directory lists LEONARD J. BAYS (MD) with Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
Where is LEONARD J. BAYS (MD)'s primary listing?
We display Dallas, Texas because that is what the record indicates for LEONARD J. BAYS (MD).
What if Dallas, Texas seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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