MICHAEL P SIEGENTHALER MD
NPI 1093863532
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Longview, TX

Q: What is Michael Siegenthaler's NPI number?

The NPI number for Michael Siegenthaler is 1093863532. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Q: What is Michael Siegenthaler's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment

705 E MARSHALL AVE, LONGVIEW, TX 75601(903) 315-2777 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 25, 2026, Feb 5, 2026, Nov 11, 2024 and 3 more (6 updates tracked since 2023).

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About Michael P Siegenthaler Md NPPES

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

MICHAEL P SIEGENTHALER MD (NPI 1093863532) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Longview, Texas, licensed in Connecticut (036842) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Springfield Regional Medical Center, and maintains 5 additional practice locations.

NPPES Registry Identity

NPI1093863532

Entity TypeIndividualMale

Primary Taxonomy208G00000X

Provider Legal NameMICHAEL P SIEGENTHALERCredential: MD

Location Address705 E MARSHALL AVELongview, TX 75601-5573

Mailing Address30 W Mccreight Ave Ste 106Springfield, OH 45504-1853 · (937) 523-9825 · Fax (937) 523-9829

Phone(903) 315-2777

Sole ProprietorNo

Medical School CMSOtherGraduated 1991

Enumeration DateJanuary 8, 2007

Last NPPES UpdateMarch 25, 20266 updates tracked since enumeration

NPPES CertifiedMarch 25, 2026

✔ NPI 1093863532 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians

Taxonomy Code208G00000X

Licenses✔ Licensed in CT · 036842✔ Licensed in MD · D0068474✔ Licensed in PA · MD430302✔ Licensed in TX · L2653

Definition

A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

Also ListedSurgeryTaxonomy 208600000X · License L2653 (TX)

705 E MARSHALL AVE, Longview, TX 75601

Open in Google Maps ↗

Secondary Practice Locations 5

Location 1263 Farmington AveFarmington, CT 06030-8063 · Phone (860) 679-3343 · Fax (860) 679-4256

Location 230 W McCreight Ave Ste 106Springfield, OH 45504-1853 · Phone (937) 523-9825 · Fax (937) 523-9829

Location 3707 E Marshall AveLongview, TX 75601-5545 · Phone (903) 315-4880

Location 48600 Old Georgetown RdBethesda, MD 20814-1422 · Phone (301) 896-7610 · Fax (301) 896-7626

Location 52604 Saint Michael Dr Ste 425Texarkana, TX 75503-2378 · Phone (903) 614-5600

Other Identifiers 1

Medicaid415096100MD

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Michael P Siegenthaler 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 ID7012918782

PECOS Enrollment IDI20200803001710, I20230130000809, I20250103001651, I20260316001179

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 7

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.

75 services40 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.

45 services28 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.

39 services38 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

22 services16 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

20 services19 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

17 services17 patients

Hospital Affiliations CMS Care Compare 2

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

Springfield Regional Medical Center

Acute Care Hospitals · Springfield, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360086

Location100 Medical Center DriveSpringfield, OH 45504 · Clark County

Emergency services Birthing friendly

Monument Health Rapid City Hospital

Acute Care Hospitals · Rapid City, SD

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number430077

Location353 Fairmont BlvdRapid City, SD 57701 · Pennington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75601 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

$166.88 typical visit price

range $54.84 – $166.88

Typical copayment $41.72 (range $13.71 – $41.72)

Most-billed visit code 99205

Established Patient

$68.55 typical visit price

range $17.52 – $136.11

Typical copayment $17.13 (range $4.38 – $34.02)

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.

PREMIER PEDIATRICS

Pediatrics

705 E MARSHALL AVE, SUITE 1002
LONGVIEW, TX 75601

Gregg County (903) 247-7700

ZEID WOMENS HEALTH CENTER

Advanced Practice Midwife

705 E MARSHALL AVE, SUITE 3000
LONGVIEW, TX 75601

Gregg County (903) 315-2700

MARY K MCGEE, MD

Internal Medicine (Nephrology)

705 E MARSHALL AVE, SUITE 3001
LONGVIEW, TX 75601

Gregg County (903) 758-0295

JOHN KIRK MD

Specialist

705 E MARSHALL AVE, SUITE 3000
LONGVIEW, TX 75601

Gregg County (903) 315-2700

DR. JAY M STANLEY MD

Orthopaedic Surgery

705 E MARSHALL AVE
LONGVIEW, TX 75601

Gregg County (903) 315-2000

CULBERSON R BOREN DDS PA

Dentist (Pediatric Dentistry)

705 E MARSHALL AVE, MEDICAL PLAZA III
LONGVIEW, TX 75601

Gregg County (903) 581-2198

MARY BETH SMITH CNM

Advanced Practice Midwife

705 E MARSHALL AVE, SUITE 3000
LONGVIEW, TX 75601

Gregg County (903) 315-2700

MRS. KAYLA MARIE BRYANT AGACNP-BC

Nurse Practitioner (Acute Care)

705 E MARSHALL AVE
LONGVIEW, TX 75601

Gregg County (903) 315-2777

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 Michael Siegenthaler's NPI number?

The NPI number for Michael Siegenthaler is 1093863532. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Michael Siegenthaler located?

Michael Siegenthaler practices at 705 E Marshall Ave, Longview, TX 75601. The listed phone number is (903) 315-2777.

What is Michael Siegenthaler's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is Michael Siegenthaler enrolled in Medicare?

Yes. Michael Siegenthaler is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Michael Siegenthaler accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 9 other insurers list Michael Siegenthaler as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Michael Siegenthaler affiliated with any hospitals?

According to CMS data, Michael Siegenthaler is affiliated with Springfield Regional Medical Center and Monument Health Rapid City Hospital.

When was this NPI record last updated?

The NPPES record for Michael Siegenthaler was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.