DR. WILLIAM L LENAHAN (M.D.) – Obstetrics & Gynecology Physician, NPI 1487643748

DR. WILLIAM L LENAHAN (M.D.) is a healthcare provider. based in Birmingham, Alabama. specializing in OBSTETRICS/GYNECOLOGY. They hold the professional credentials M.D.. They hold a License No. AL12094 (AL). The NPI Number for DR. WILLIAM L LENAHAN (M.D.) is 1487643748

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM L LENAHAN (M.D.)
NPI
1487643748
Phone
(205) 930-2456
Address
810 Saint Vincents Dr
Enumeration Date
19 October 2005
Last Update Date
17 October 2022

Doctor Profile

Medical School Name
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Secondary Phone
2053481770
Graduation Year
1984 (42 years ago)
PAC ID
0143417683
Group Practice PAC ID
6103724489
Professional Enrollment ID
I20101209000184
Address ID
AL354017457TU850XXBLVD400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience73
Completeness75
Years active:20State licenses:2Digital endpointsOther names

587 OBSTETRICS/GYNECOLOGY in AL

Provider Addresses for DR. WILLIAM L LENAHAN (M.D.)

  • 810 Saint Vincents Dr

    Birmingham, AL 352051601

    Phone: (205) 930-2456

    Fax: (205) 930-2469

    Type: Location

  • Saint Vincent's Birmingham, 810, Saint Vincent's Drive, Highland Avenue Historic District, Highland Residence Park, Birmingham, Jefferson County, Alabama, 35205, United States

    BIRMINGHAM, AL 352051601

    Phone: (205) 930-2456

    Fax: (205) 930-2469

    Type: Location

  • 127, Brookland Drive, Winfield, Marion County, Alabama, 35594, United States

    WINFIELD, AL 35594

    Phone: (205) 468-7403

    Type: Mailing

  • 1716 TEMPLE AVE N STE 5

    FAYETTE, AL 355551309

    Phone: (205) 932-1397

    Type: Location

  • 850 Peter Bryce Blvd

    Tuscaloosa, AL 354017457

    Phone: (205) 348-1770

    Type: Location

  • 850 PETER BRYCE BLVD

    TUSCALOOSA, AL 354017457

    Phone: (205) 348-1770

    Type: Mailing

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: 2010-12-09

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
I20101209000184IObstetrics/GynecologyALTBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 35205)

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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: 6103724489View full group profile
NameSpecialtyState
Neurology, Internal MedicineAL
Family PracticeMS
O B S T E T R I C S/ G Y N E C O L O G YNY
O B S T E T R I C S/ G Y N E C O L O G YAL
O B S T E T R I C S/ G Y N E C O L O G YNY
-AL
Family PracticeAL
Family PracticeAL
Internal MedicineTX
Endocrinology, Internal MedicineAL

Reviews

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Frequently asked questions

Is DR. WILLIAM L LENAHAN (M.D.) listed with a National Provider Identifier?
Yes — DR. WILLIAM L LENAHAN (M.D.) has NPI 1487643748 on file in the registry.
Is DR. WILLIAM L LENAHAN (M.D.) shown as active in public data?
Registry records indicate DR. WILLIAM L LENAHAN (M.D.) maintains an active NPI.
What clinical focus is listed for DR. WILLIAM L LENAHAN (M.D.)?
At a glance, DR. WILLIAM L LENAHAN (M.D.) is tied to Obstetrics & Gynecology Physician. Clinical services aligned with this taxonomy classification.
What practice footprint exists for DR. WILLIAM L LENAHAN (M.D.)?
Travel planning: use Birmingham, Alabama as the reference point for DR. WILLIAM L LENAHAN (M.D.), then confirm.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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