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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HEMATOLOGY & ONCOLOGY ASSOCIATES OF ALABAMA LLC
NPI 1033443775
Internal Medicine - Hematology & Oncology in Fultondale, AL

Active since September 29, 2009CLIA 01D0991726 · Certificate of Compliance
339 WALKER CHAPEL PLZ STE 115, FULTONDALE, AL 35068(205) 502-4700(877) 353-3589 Get Directions Write a Review

NPPES record last updated: October 7, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 7, 2026, May 1, 2026 (2 updates tracked since 2026).

About Hematology & Oncology Associates Of Alabama Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HEMATOLOGY & ONCOLOGY ASSOCIATES OF ALABAMA LLC (NPI 1033443775) is a healthcare organization registered as a hematology & oncology in Fultondale, Alabama and active in the NPI registry since September 2009. The organization holds a CLIA Certificate of Compliance certificate valid through January 31, 2028 and lists Elquis M. Castillo, President, as its authorized official.

NPPES Registry Identity

NPI1033443775
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameHEMATOLOGY & ONCOLOGY ASSOCIATES OF ALABAMA LLC
Location Address339 WALKER CHAPEL PLZ STE 115Fultondale, AL 35068-3402
Mailing AddressPo Box 131329Birmingham, AL 35213-6329 · (205) 271-8541 · Fax (205) 271-8555
Phone(205) 502-4700
Fax(877) 353-3589
Organization SubpartNo
Authorized OfficialElquis M. CastilloPresident · (205) 271-8541
Enumeration DateSeptember 29, 2009
Last NPPES UpdateOctober 7, 20262 updates tracked since enumeration
NPPES CertifiedOctober 7, 2026
✔ NPI 1033443775 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
339 WALKER CHAPEL PLZ STE 115, Fultondale, AL 35068
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Other Identifiers 1

OtherCK5459AL · Railroad Medicare

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hematology & Oncology Associates Of Alabama Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Hematology & Oncology Associates Of Alabama LLC, which bills Medicare for the services they deliver. Of these, 1 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Erica King, CRNP
Nurse Practitioner
NPI 1891376174
1802 6TH AVE S
Birmingham, AL 35233
(205) 567-6969
✔ PECOS✔ Accepts Medicare7.3 mi
Khaleel Ashraf, M.D.
Hematology/Oncology
NPI 1760437925
513 BROOKWOOD BLVD STE 275
Birmingham, AL 35209
(205) 502-4700
✔ PECOS✔ Accepts Medicare10 mi
Jonathan Bridges, MD
Hematology/Oncology
NPI 1598979973
513 BROOKWOOD BLVD STE 275
Birmingham, AL 35209
(205) 502-4700
✔ PECOS✔ Accepts Medicare10 mi
Brennan Ellis, CRNP
Nurse Practitioner
NPI 1891452736
513 BROOKWOOD BLVD STE 275
Birmingham, AL 35209
(205) 502-4700
✔ PECOS✔ Accepts Medicare10 mi
Alexandra Glenn, AGACNP
Nurse Practitioner
NPI 1275094088
513 BROOKWOOD BLVD STE 275
Birmingham, AL 35209
(205) 502-4700
✔ PECOS✔ Accepts Medicare10 mi
Rachel Messer, CRNP
Nurse Practitioner
NPI 1447640628
513 BROOKWOOD BLVD STE 275
Birmingham, AL 35209
(205) 502-4700
✔ PECOS✔ Accepts Medicare10 mi
David Mooney, M.D.
Hematology/Oncology
NPI 1831350198
513 BROOKWOOD BLVD STE 275
Birmingham, AL 35209
(205) 502-4700
✔ PECOS✔ Accepts Medicare10 mi
Elquis Castillo, MD
Medical Oncology
NPI 1609890474
705 GOODYEAR AVE
Gadsden, AL 35903
(256) 492-0375
✔ PECOS✔ Accepts Medicare55 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 01D0991726

Hematology - Oncology Of Alabama · Homewood, AL
Active · expires Jan 31, 2028
CLIA Number01D0991726
Laboratory TypePhysician Office
Certificate Effective DateFebruary 1, 2026
Certificate Expiration DateJanuary 31, 2028
Laboratory DirectorAllen L. Yeilding
Laboratory Phone(205) 502-4700
Laboratory LocationHematology - Oncology Of Alabama513 Brookwood Boulevard Suite 275, Homewood, AL 35209
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Hematology & Oncology Associates Of Alabama LLC's NPI number?

The NPI number for Hematology & Oncology Associates Of Alabama LLC is 1033443775. It was assigned to this organization in the NPPES registry on September 29, 2009.

Where is Hematology & Oncology Associates Of Alabama LLC located?

Hematology & Oncology Associates Of Alabama LLC is located at 339 Walker Chapel Plz Ste 115, Fultondale, AL 35068. The listed phone number is (205) 502-4700.

What is Hematology & Oncology Associates Of Alabama LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Hematology & Oncology Associates Of Alabama LLC enrolled in Medicare?

Yes. Hematology & Oncology Associates Of Alabama LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hematology & Oncology Associates Of Alabama LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to Hematology & Oncology Associates Of Alabama LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (4), Hematology/Oncology (3) and Medical Oncology (1). Of these, 1 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Hematology & Oncology Associates Of Alabama LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 01D0991726) is associated with this NPI, valid through January 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Hematology & Oncology Associates Of Alabama LLC was last updated on October 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.