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Dr. John Michael Longanecker , DO

Anesthesiology • Seguin, TX

Active NPI 1609160159 Individual Practitioner Male Practitioner Accepts Medicare assignment
Practice location in NPPES

1215 E Court St
Seguin, TX 781555129

Call 8303795867 Location details and other listings
Medical Disclaimer

This profile restates public CMS/NPPES data; T-MedInfo gives no medical advice — consult a licensed professional, and call 911 for emergencies.

Practice Location & Contact Primary Location

Practice Address

1215 E Court St

Seguin, TX 781555129

Telephone 8303795867
Fax 8304014035
Organization at the Same NPPES Address or Phone
Guadalupe County Hospital Board Facility NPI 1720088123

Matched by practice address or phone in NPPES. A shared address or phone does not confirm that this clinician works there.

Other Listings in Public Data

CMS Doctors and Clinicians lists 1 group name: Us Anesthesia Partners Of Colorado Inc. See the list

Source: CMS Doctors and Clinicians National Downloadable File, release date unavailable.

Listings do not confirm current availability, employment or a shared ownership network.

Medicare Profile & Education

Source: CMS Doctors and Clinicians National Downloadable File

Medical School

University Of North Texas Hsc, College Of Osteopathic Med

Graduation Year

2011

Medicare patients

247 people with Original Medicare in 2024

Different Original Medicare patients in 2024; counts below 11 are hidden; this does not show availability or quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider, 2024.

Medicare-allowed amount

About $20,299 in 2024

The total amount Medicare approved for these services in 2024. It includes what Medicare paid and what patients or their other insurance owed, such as the deductible and coinsurance.

What this does not show: Medicare-allowed amount

This is not the clinician's income. Part of it can go to a clinic or group practice, staff, equipment or drugs. It is not the price you will pay.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Paid by Medicare

About $15,813 in 2024

The part of the Medicare-allowed amount that Medicare itself paid in 2024, after patients' deductibles and coinsurance.

What this does not show: Paid by Medicare

This is not the clinician's income and not a measure of quality.

Source: CMS, Medicare Physician & Other Practitioners – by Provider and Service, 2024.

Open Payments general payments, program year 2024

All general payments: $38.22 across 2 records.

By nature of payment

  • Food and Beverage: $38.22 across 2 records.

Reporting-company totals

  • Merck Sharp & Dohme LLC: $38.22 across 2 records.

A reported payment does not necessarily mean the financial relationship is improper and is not a measure of care quality. Clinicians can review and dispute these records.

See the full table

Source: Calculated by T-MedInfo from CMS Open Payments general-payment records for program year 2024 (published June 30, 2026).

Guide: How to read an Open Payments record

Years since graduation

15 years (graduated 2011)

CMS Doctors and Clinicians data list 2011 as the year this clinician finished professional school.

What this does not show: Years since graduation

It is not the number of years in practice, and more years does not mean better care.

Source: CMS Doctors and Clinicians National Downloadable File.

NPI first issued

2011

The year this clinician's National Provider Identifier (NPI) was issued. An NPI is a unique 10-digit ID that US health care providers use for billing.

What this does not show: NPI first issued

NPIs have been issued only since 2005, so this year is not necessarily when the clinician started practicing.

Source: CMS NPPES NPI Registry.

Accepts Medicare assignment

CMS data list this clinician as accepting Medicare assignment. This means agreeing to take the Medicare-approved amount as full payment for covered services.

Medicare assignment applies to Original Medicare. It does not tell you whether the clinician is in a Medicare Advantage plan's network, accepts other insurance, or is taking new patients.

Source: CMS Doctors and Clinicians; Medicare.gov, “Does your provider accept Medicare as full payment?”

Guide: What Medicare assignment means

No telehealth indicator

CMS shows this indicator only when recent Medicare claims include telehealth services. The clinician may still offer telehealth; ask the office.

Source: CMS, Telehealth Indicator on Medicare Care Compare (fact sheet, January 2023); CMS Doctors and Clinicians.

Guide: How Medicare covers telehealth

Enrolled in Medicare (PECOS)

Dr. Longanecker has a Medicare enrollment record in PECOS, the CMS system clinicians use to enroll so they can bill Medicare or order services for people with Medicare.

It does not show whether the clinician accepts assignment, is in your plan's network, or is taking new patients.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What Medicare enrollment (PECOS) means

Can order Medicare-covered services

CMS lists Dr. Longanecker as eligible to order or refer Medicare Part B clinical laboratory and imaging services, durable medical equipment (DME) and home health services for people with Medicare.

What this does not show: Can order Medicare-covered services

It does not mean the clinician offers these services directly.

Source: CMS Medicare Fee-For-Service Public Provider Enrollment (PECOS); CMS Order and Referring file.

Guide: What ordering and referring status means

Compared with the same specialty in Seguin and Texas

Billing and prescribing volume is not a quality rating.

Medicare Part B services

More Medicare Part B services than 75% of clinicians listed under Anesthesiology in Texas (2024, 2,454 clinicians with data). Median for this group: 94. Middle half: 41 to 197.

Too few clinicians listed under Anesthesiology in Seguin have Medicare Part B data for 2024 to compare.

Medicare-allowed amount

A higher Medicare-allowed amount than 70% of clinicians listed under Anesthesiology in Texas (2024, 2,454 clinicians with data). Median for this group: $10,803. Middle half: $4,556 to $22,244.

Too few clinicians listed under Anesthesiology in Seguin have Medicare Part B data for 2024 to compare.

Paid by Medicare

A higher Medicare payment amount than 70% of clinicians listed under Anesthesiology in Texas (2024, 2,454 clinicians with data). Median for this group: $8,494. Middle half: $3,590 to $17,455.

Too few clinicians listed under Anesthesiology in Seguin have Medicare Part B data for 2024 to compare.

9 active clinicians are listed under Anesthesiology with a practice address in Seguin, TX (4,638 in Texas).

Addresses are self-reported to NPPES and may be out of date.

Sources: CMS Medicare Physician & Other Practitioners (2024), CMS Open Payments (2024), CMS Doctors and Clinicians, CMS NPPES NPI Registry. Specialty names follow the NUCC Health Care Provider Taxonomy.

Text: T-MedInfo · Report an error.

Pharma & Medical Device Financial Disclosures

Payments and other transfers of value that drug and medical device companies reported to CMS Open Payments

Open Payments · Program Year 2024

Program year 2024 (payments made January 1 – December 31, 2024): fewer than 11 records totaling $38.22.

Manufacturer Payment Nature Product Type Amount ($)
Merck Sharp & Dohme LLC
Food and Beverage
In-kind items and services
BRIDION General $22.85
Merck Sharp & Dohme LLC
Food and Beverage
In-kind items and services
BRIDION General $15.37

Source: CMS Open Payments, program year 2024, released June 30, 2026.

Performed Procedures & Service Volume

Services billed to Original Medicare Part B in 2024.

CMS Part B · Data Year 2024
Reporting Year:

CPT® is a registered trademark of the American Medical Association. CPT codes, descriptions and other data only are copyright 2016–2023 American Medical Association. All rights reserved. Applicable FARS/HHSARS apply. Descriptions of CPT codes are the AMA's CPT Consumer Friendly Descriptors as published by CMS in the Medicare Physician & Other Practitioners – by Provider and Service data, 2017–2024; they are plain-language summaries, not for clinical coding or documentation. HCPCS Level II codes and descriptions are from CMS. Fee schedules, relative value units, conversion factors and/or related components are not assigned by the AMA, are not part of CPT, and the AMA is not recommending their use. The AMA does not directly or indirectly practice medicine or dispense medical services. The AMA assumes no liability for data contained or not contained herein.

HCPCS Code Services Patients Submitted Charge Medicare Allowed
76942 Ultrasonic guidance for needle placement
33 33 $350.00 $29.30
01402 Anesthesia for procedure for total knee joint replacement
32 32 $1911.28 $163.98
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus)
31 31 $1544.00 $67.36
64450 Injection of anesthetic agent and/or steroid into other nerve or branch
24 24 $965.00 $22.23
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter
20 20 $2316.00 $69.45
01638 Anesthesia for open or endoscopic total shoulder joint replacement
19 19 $2921.05 $256.22
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope
14 14 $1284.43 $100.69
64999 Other procedure on nervous system
14 14 $384.00 $20.60
01214 Anesthesia for total hip replacement
12 12 $2294.00 $194.78
00300 Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back
11 11 $1402.64 $106.42

Source: CMS Part B by Provider and Service, 2024; services under 11 beneficiaries omitted by CMS. Privacy limits

Submitted charges are billed amounts, not a price quote for your visit.

Specialties & License Numbers Reported to NPPES

Anesthesiology Primary Specialty

NUCC Taxonomy Code: 207L00000X

License # reported to NPPES TX Q4457

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.

Check License Status with the State Board License numbers are self-reported to NPPES; T-MedInfo does not confirm them against state records. Current status: Texas Medical Board.
Look Up on State Board Site

Medicare (PECOS) Enrollment & Ordering Eligibility

Source: CMS PECOS
Medicare FFS Enrollment Status Medicare Enrollment on File
CMS Provider Specialty

PRACTITIONER - ANESTHESIOLOGY

Medicare Enrollment ID

I20200117001046

Enrollment State Jurisdiction

CO

PECOS Control ID

6406160688

Medicare Order & Referring Eligibility
Clinical Lab & Imaging (Part B) Eligible
Durable Medical Equipment (DME) Eligible
Home Health Agency (HHA) Eligible
Power Mobility Devices (PMD) Eligible

Sources: CMS Provider Enrollment and Order and Referring. Medicare enrollment is a billing status, not an accreditation or quality rating.

Medicare Group Practice Enrollments

Source: CMS Doctors and Clinicians National Downloadable File

Us Anesthesia Partners Of Colorado Inc

2222 N Nevada Ave, Colorado Springs, CO 809076819

Phone: 3034383999

Clinicians Sharing This Practice Address or Phone

Clinicians sharing this NPPES address, phone or fax; a shared contact does not mean they work together.

19 listed
David Burns , CRNA

Nurse Anesthetist, Certified Registered

NPI 1952320228

Certified Registered Nurse Anesthetist

Mark Cornell , CRNA

Nurse Anesthetist, Certified Registered

NPI 1568694834

Certified Registered Nurse Anesthetist

Susan Garcia , CRNA

Nurse Anesthetist, Certified Registered

NPI 1699757203

Certified Registered Nurse Anesthetist

Stephanie Gardner , CRNA

Nurse Anesthetist, Certified Registered

NPI 1841276797

Certified Registered Nurse Anesthetist

Dr. James Garza , DO

Anesthesiology

NPI 1922081892

Doctor of Osteopathic Medicine (D.O.)

Marissa Johnson , CRNA

Nurse Anesthetist, Certified Registered

NPI 1740256742

Certified Registered Nurse Anesthetist

Career & Practice History

NPI enumerated June 01, 2011.

No changes to the name, practice address, taxonomy or NPI status in this record have been observed in the monthly NPPES data files from January 2017 to August 2026.

No reviews have been published yet. Leave a review.

NPI Administrative Meta

NPI Number: 1609160159
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: June 01, 2011
Last Update: November 17, 2015
Sole Proprietor: No

Other Anesthesiology Specialists in Seguin

Healthcare providers in Seguin

Mailing Address

1215 E Court St

Seguin, TX 781555129

Phone: 8303795867

About This Data NPPES fields (address, phone, specialty, license) are self-reported and may be outdated; Medicare fields follow the CMS dataset named in each section. Correct directly at NPPES.