DR. WILLIAM A III MASSEY (M.D.) – Allergy & Immunology Physician, NPI 1316960271

DR. WILLIAM A III MASSEY (M.D.) is a healthcare provider. based in Birmingham, Alabama. specializing in Allergy & Immunology Physician. They hold the professional credentials M.D.. They hold a License No. 17948 (AL). The NPI Number for DR. WILLIAM A III MASSEY (M.D.) is 1316960271

Main info

Male
42 Years Of Experience
Accepts Medicare Assignment
Name
DR. WILLIAM A III MASSEY (M.D.)
NPI
1316960271
Phone
(205) 871-9661
Address
504 BROOKWOOD BLVD
Enumeration Date
25 July 2006
Last Update Date
9 August 2016

Doctor Profile

Medical School Name
UNIVERSITY OF ALABAMA SCHOOL OF MEDICINE
Secondary Phone
2058719661
Graduation Year
1984 (42 years ago)
PAC ID
5991890691
Group Practice PAC ID
1254358310
Professional Enrollment ID
I20070926000563
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. WILLIAM A III MASSEY (M.D.)

  • NW Corner of Brookwood Blvd & Brookwood Medical Center Dr, 2010, Brookwood Medical Center Drive, Southwood, Birmingham, Jefferson County, Alabama, 35209, United States

    SUITE 100

    BIRMINGHAM, AL 352096802

    Phone: (205) 871-9661

    Fax: (205) 870-1621

    Type: Mailing

  • Pilot Medical Dr, Birmingham, Jefferson County, Alabama, 35235, United States

    SUITE 100

    BIRMINGHAM, AL 352353411

    Phone: (205) 854-8084

    Fax: (205) 815-9341

    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: 2007-09-26

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
I20070926000563IAllergy/ImmunologyALTBD

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 35209)

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Provider's Procedures

DR. WILLIAM A III MASSEY (M.D.) performs procedures in Allergy & Immunology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
ALLERGY/IMMUNOLOGYAL90670Pneumococcal vaccine for injection into muscle2222
ALLERGY/IMMUNOLOGYAL95117Injection of incremental dosages of allergen, 2 or more injections23322

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: 1254358310View full group profile
NameSpecialtyState
Nurse PractitionerAL
-AL
Nurse PractitionerAL
-AL
-AL
Allergy/Immunology, Internal Medicine, Pediatric MedicineAL
Nurse PractitionerAL
Allergy/Immunology, Internal MedicineAL
-AL
Nurse PractitionerAL

Reviews

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Frequently asked questions

What is DR. WILLIAM A III MASSEY (M.D.)'s NPI number?
DR. WILLIAM A III MASSEY (M.D.)'s NPI is 1316960271 — the number used across U.S. healthcare to identify this provider.
Active or inactive — what applies to DR. WILLIAM A III MASSEY (M.D.)?
You should see DR. WILLIAM A III MASSEY (M.D.) as active in CMS-hosted NPPES data.
What clinical focus is listed for DR. WILLIAM A III MASSEY (M.D.)?
At a glance, DR. WILLIAM A III MASSEY (M.D.) is tied to Allergy & Immunology Physician. Clinical services aligned with this taxonomy classification.
Where in Alabama is DR. WILLIAM A III MASSEY (M.D.) registered?
Use Birmingham, Alabama as the headline location for DR. WILLIAM A III MASSEY (M.D.) here.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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