THOMAS F REGAN IV MD
NPI 1669933131
Anesthesiology in Birmingham, AL

Q: What is Thomas Regan's NPI number?

The NPI number for Thomas Regan is 1669933131. It was assigned to this individual provider in the NPPES registry on March 27, 2019.

Q: What is Thomas Regan's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Regan was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 27, 2019PECOS EnrolledAccepts Medicare Assignment

625 19TH ST S, BIRMINGHAM, AL 35233(205) 934-6525 Get Directions Write a Review

NPPES record last updated: June 1, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jun 1, 2026, Nov 17, 2025, Jul 15, 2024 and 1 more (4 updates tracked since 2023).

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About Thomas F Regan Iv Md NPPES

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

THOMAS F REGAN IV MD (NPI 1669933131) is an individual anesthesiology provider in Birmingham, Alabama, licensed in Alabama (MD.41389) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1669933131

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameTHOMAS F REGAN IVCredential: MD

Location Address625 19TH ST SBirmingham, AL 35233-1900

Mailing Address625 19th St SBirmingham, AL 35233-1900

Phone(205) 934-6525

Sole ProprietorNo

Medical School CMSOtherGraduated 2019

Enumeration DateMarch 27, 2019

Last NPPES UpdateJune 1, 20264 updates tracked since enumeration

NPPES CertifiedJune 1, 2026

✔ NPI 1669933131 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

Licenses✔ Licensed in AL · MD.41389✔ Licensed in IL · 036165284

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License 036165284 (IL)

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

625 19TH ST S, Birmingham, AL 35233

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Secondary Practice Locations 3

Location 1251 E Huron St Ste 5-704Chicago, IL 60611-2908 · Phone (312) 695-0061 · Fax (312) 695-9013

Location 22160 Capital Cir NE Ste 200Tallahassee, FL 32308-4391 · Phone (850) 558-1260

Location 31725 W Harrison St Ste 970Chicago, IL 60612-3828 · Phone (312) 942-3134

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Florida Blue (BlueCross BlueShield FL).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Thomas F Regan Iv Md 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 ID3375885122

PECOS Enrollment IDI20240822000729, I20251215003939

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.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

40 services40 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

25 services20 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

18 services16 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

16 services15 patients

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.

RUI ZHENG-PYWELL MD

Student in an Organized Health Care Education/Training Program