ALEXANDER DIAZ SEGER MD
NPI 1457913279
Psychiatry & Neurology - Psychiatry in Centralia, IL

Q: What is Alexander Seger's NPI number?

The NPI number for Alexander Seger is 1457913279. It was assigned to this individual provider in the NPPES registry on July 1, 2019.

Q: What is Alexander Seger's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Alexander Seger was last updated on October 13, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 01, 2019PECOS EnrolledAccepts Medicare Assignment

400 N PLEASANT AVE, CENTRALIA, IL 62801(618) 436-8000 Get Directions Write a Review

NPPES record last updated: October 13, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Oct 13, 2023, Mar 31, 2023, Jul 1, 2019 (3 updates tracked since 2019).

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About Alexander Diaz Seger Md NPPES

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

ALEXANDER DIAZ SEGER MD (NPI 1457913279) is an individual psychiatry provider in Centralia, Illinois, licensed in Illinois (036.165127) and active in the NPI registry since July 2019. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital -centralia, and is a graduate of Creighton University School Of Medicine (2019).

NPPES Registry Identity

NPI1457913279

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameALEXANDER DIAZ SEGERCredential: MD

Location Address400 N PLEASANT AVECentralia, IL 62801-3056

Mailing Address400 N Pleasant AveCentralia, IL 62801-3056

Phone(618) 436-8000

Sole ProprietorNo

Medical School CMSCreighton University School Of MedicineGraduated 2019

Enumeration DateJuly 1, 2019

Last NPPES UpdateOctober 13, 20233 updates tracked since enumeration

NPPES CertifiedOctober 13, 2023

✔ NPI 1457913279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

Licenses✔ Licensed in IL · 036.165127✔ Licensed in NE · 35426

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

400 N PLEASANT AVE, Centralia, IL 62801

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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

Alexander Diaz Seger 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 ID1355671348

PECOS Enrollment IDI20230720002871

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

271 services54 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

36 services30 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

36 services35 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

13 services13 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health St Mary's Hospital -Centralia

Acute Care Hospitals · Centralia, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140034

Location400 North Pleasant AvenueCentralia, IL 62801 · Marion County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 62801 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

$168.44 typical visit price

range $54.80 – $168.44

Typical copayment $42.11 (range $13.70 – $42.11)

Most-billed visit code 99205

Established Patient

$68.64 typical visit price

range $17.16 – $136.56

Typical copayment $17.16 (range $4.29 – $34.14)

Most-billed visit code 99213

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.

MRS. MELISSA KRISTINE VANGIESEN MS, ATC

Specialist/Technologist (Athletic Trainer)