GANNON JAMES RAY
NPI 1659959633
Internal Medicine - Hematology & Oncology in Mobile, AL

Q: What is Gannon Ray's NPI number?

The NPI number for Gannon Ray is 1659959633. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Q: What is Gannon Ray's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gannon Ray was last updated on June 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months 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.

Active since March 31, 2021PECOS EnrolledAccepts Medicare Assignment

2451 UNIVERSITY HOSPITAL DR RM 714, MOBILE, AL 36617(251) 434-3915(251) 415-1387 Get Directions Write a Review

NPPES record last updated: June 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 20, 2025, Oct 11, 2023, Mar 31, 2021 (3 updates tracked since 2021).

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About Gannon James Ray NPPES

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

GANNON JAMES RAY (NPI 1659959633) is an individual hematology & oncology provider in Mobile, Alabama, licensed in Alabama (45363) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of University Of South Alabama College Of Medicine (2021).

NPPES Registry Identity

NPI1659959633

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameGANNON JAMES RAY

Location Address2451 UNIVERSITY HOSPITAL DR RM 714Mobile, AL 36617-2300

Mailing Address2451 University Hospital Dr Rm 714Mobile, AL 36617-2300 · (251) 434-3915 · Fax (251) 415-1387

Phone(251) 434-3915

Fax(251) 415-1387

Sole ProprietorYes

Medical School CMSUniversity Of South Alabama College Of MedicineGraduated 2021

Enumeration DateMarch 31, 2021

Last NPPES UpdateJune 20, 20253 updates tracked since enumeration

NPPES CertifiedJune 20, 2025

✔ NPI 1659959633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in AL · 45363

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 45363 (AL)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2451 UNIVERSITY HOSPITAL DR RM 714, Mobile, AL 36617

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Gannon James Ray is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2668876673

PECOS Enrollment IDI20260428001186

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Gannon Ray reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gmuc Of Springhill LLC

2.8 mi

Family Medicine

4402 OLD SHELL RD
Mobile, AL 36608

Reassigned Medicare billing, Alabama enrollment
90 clinicians in this Medicare group

NPI 1952617508 (251) 633-0123

Gmuc Of Saraland

6.7 mi

Family Medicine

1114 SHELTON BEACH RD
Saraland, AL 36571

Reassigned Medicare billing, Alabama enrollment
54 clinicians in this Medicare group

NPI 1396161758 (251) 633-0123

Greater Mobile Urgent Care

8.7 mi

Family Medicine

7943 MOFFETT RD
Semmes, AL 36575

Reassigned Medicare billing, Alabama enrollment
92 clinicians in this Medicare group

NPI 1275848095 (251) 633-0123

Gmuc Of Citronelle LLC

28 mi

Family Medicine

19355 N 3RD ST, SUITE 104
Citronelle, AL 36522

Reassigned Medicare billing, Alabama enrollment
59 clinicians in this Medicare group

NPI 1164794343 (251) 633-0123

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 36617 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$161.63 typical visit price

range $52.65 – $161.63

Typical copayment $40.40 (range $13.16 – $40.40)

Most-billed visit code 99205

Established Patient

$93.72 typical visit price

range $16.56 – $131.65

Typical copayment $23.43 (range $4.14 – $32.91)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALEXANDER P MCNALLY MD

Surgery