DR. ALEXANDER BRADLEY GUINN MD
NPI 1336778034
Anesthesiology in Dallas, TX

NPI Status: Active since April 04, 2020

Contact Information

1935 MEDICAL DISTRICT DR
DALLAS, TX
ZIP 75235
Phone: (214) 456-7000
Fax: (832) 524-5242

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  • Individual
  • Male
  • Years of Experience 6
  • Anesthesiology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About ALEXANDER GUINN

This page provides the complete NPI Profile along with additional information for Alexander Guinn, an anesthesiologist established in Dallas, Texas with a medical specialization in Anesthesiology and more than 6 years of experience. He graduated from University Of Texas Southwestern Medical School At Dallas in 2020. The healthcare provider is registered in the NPI registry with number 1336778034 assigned on April 2020. The practitioner's primary taxonomy code is 207L00000X with license number V9612 (TX). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1336778034
Provider Name
DR. ALEXANDER BRADLEY GUINN MD
Gender
Male
Entity Type
Individual
Location Address
1935 MEDICAL DISTRICT DR DALLAS, TX 75235
Location Phone
(214) 456-7000
Location Fax
(832) 524-5242
Mailing Address
PO BOX 845347 DALLAS, TX 75284
Mailing Phone
(469) 291-3369
Mailing Fax
(832) 524-5242
Medical School Name
UNIVERSITY OF TEXAS SOUTHWESTERN MEDICAL SCHOOL AT DALLAS
Graduation Year
2020
Is Sole Proprietor?
No
Enumeration Date
04-04-2020
Last Update Date
08-17-2025
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An anesthesiologist like Alexander Guinn manages the care of surgical patients and pain relief through drug administration that reduces or eliminates pain during an operation, medical procedure or during labor and delivery of babies. During surgical procedures anesthesiologists are responsible for adjusting the amount of anesthetic, monitoring the patient's heart rate, body temperature, blood pressure and breathing.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Anesthesiology

Taxonomy Code
207L00000X
Type
Allopathic & Osteopathic Physicians
License No.
V9612
License State
TX
Taxonomy Description
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.

Medicare Participation & PECOS Enrollment Status

Alexander Guinn is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Alexander Guinn is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 345741872

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20250827003633

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Alexander Guinn is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PARKLAND HEALTH & HOSPITAL SYSTEM5200 HARRY HINES BLVD
DALLAS, TX 75235
(214) 590-8000Acute Care Hospitals
UT SOUTHWESTERN UNIVERSITY HOSPITAL - WILLIAM P. CLEMENTS JR.6201 HARRY HINES BLVD
DALLAS, TX 75390
(214) 633-5555Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1336778034, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
0
Unchanged
Pos 9
3
Doubled → 6
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 7 → 14 → 5 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 6 + 6 + 1 + 4 + 7 + 1 + 6 + 0 + 6 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1336778034.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pediatrics (Pediatric Critical Care Medicine)
1935 MEDICAL DISTRICT DR, CHILDREN'S MEDICAL CENTER DALLAS - HOSPITALIST DIVISION
DALLAS, TX 75235
Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Pediatrics (Pediatric Pulmonology)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Nurse Practitioner (Neonatal)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Emergency Medicine (Pediatric Emergency Medicine)
1935 MEDICAL DISTRICT DR, HOSPITAL BASED @ CMC DALLAS
DALLAS, TX 75235
Nurse Practitioner (Family)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Pediatrics (Pediatric Emergency Medicine)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Surgery (Plastic and Reconstructive Surgery)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Nurse Practitioner
1935 MEDICAL DISTRICT DR, PAVILION F 5114
DALLAS, TX 75235
Pediatrics (Pediatric Rheumatology)
1935 MEDICAL DISTRICT DR, CHILDREN'S MEDICAL CENTER DALLAS
DALLAS, TX 75235
Anesthesiology
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR, PAVILION BLDG, MAIL F5.07
DALLAS, TX 75235
Anesthesiology
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Physician Assistant (Medical)
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Physician Assistant
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Pediatrics
1935 MEDICAL DISTRICT DR
DALLAS, TX 75235
Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR, DEPARTMENT OF GENERAL PEDIATRIC SURGERY B3-3250
DALLAS, TX 75235
Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR, CONTINUITY OF CARE CLINIC
DALLAS, TX 75235
Nurse Practitioner (Pediatrics)
1935 MEDICAL DISTRICT DR, ENT CLINIC
DALLAS, TX 75235

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336778034, enumerated as an "individual" on April 04, 2020.

The provider is located at 1935 MEDICAL DISTRICT DR DALLAS, TX 75235 and the phone number is (214) 456-7000.

Anesthesiology with taxonomy code 207L00000X.

Alexander Guinn is affiliated with: PARKLAND HEALTH & HOSPITAL SYSTEM and UT SOUTHWESTERN UNIVERSITY HOSPITAL - WILLIAM P. CLEMENTS JR..