GUILLERMO DAVID ALFONSO JR. DO
NPI 1124588561
Radiology - Pediatric Radiology in Cincinnati, OH

NPI Status: Active since March 21, 2019

Contact Information

3333 BURNET AVE
CINCINNATI, OH
ZIP 45229
Phone: (513) 636-4200

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  • Individual
  • Male
  • Years of Experience 7
  • Radiology
  • Pediatric Radiology
  • Accepts Insurance
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About GUILLERMO ALFONSO

This page provides the complete NPI Profile along with additional information for Guillermo Alfonso, a provider established in Cincinnati, Ohio with a medical specialization in Radiology, focusing in pediatric radiology and more than 7 years of experience. He graduated from Edward Via Col Of Osteo Medicine-carolinas Campus in 2019. The healthcare provider is registered in the NPI registry with number 1124588561 assigned on March 2019. The practitioner's primary taxonomy code is 2085P0229X with license number 34.017009 (OH). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1124588561
Provider Name
GUILLERMO DAVID ALFONSO JR. DO
Gender
Male
Entity Type
Individual
Location Address
3333 BURNET AVE CINCINNATI, OH 45229
Location Phone
(513) 636-4200
Mailing Address
3333 BURNET AVE, ML 5031 CINCINNATI, OH 45229
Mailing Phone
(513) 636-4200
Medical School Name
EDWARD VIA COL OF OSTEO MEDICINE-CAROLINAS CAMPUS
Graduation Year
2019
Is Sole Proprietor?
No
Enumeration Date
03-21-2019
Last Update Date
08-26-2025
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Location Map

Secondary Locations

  • 800 Rose St
    Lexington, KY 40536
    (859) 323-2222

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

Radiology Pediatric Radiology

Taxonomy Code
2085P0229X
Type
Allopathic & Osteopathic Physicians
License No.
34.017009
License State
OH
Taxonomy Description
A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12085P0229XAllopathic & Osteopathic Physicians

Radiology
Pediatric Radiology

TP522 (KY)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Bronze 7500 $25 Generic Drugs - HMO
  • Bronze 7500 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Core Gold 1500 $10 Generic Drugs - HMO
  • Core Gold 1500 $10 Generic Drugs + Adult Vision & Fitness - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Diabetes Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Gold 2000 $15 Generic Drugs - HMO
  • Gold 2000 $15 Generic Drugs + Adult Vision & Fitness - HMO
  • HDHP Preventive Silver 5500 $0 Chronic Care Drugs - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Gold 3000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services - HMO
  • Healthy Heart Silver 5000 $0 Chronic Care Drugs & Services + Adult Vision & Fitness - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs - HMO
  • Low Premium Bronze 10600 $25 Generic Drugs + Adult Vision & Fitness - HMO
  • Low Premium Silver 6200 $3 Generic Drugs - HMO
  • Low Premium Silver 6200 $3 Generic Drugs + Adult Vision & Fitness - HMO
  • Silver 6000 $20 Generic Drugs - HMO
  • Bronze $8,300 w/ Adult Dental ON-EX - HMO
  • Bronze $8,300 w/ Virtual & Wellness ON-EX - HMO
  • Bronze HSA $7,300 ON-EX - HMO
  • Bronze Standard w/ Virtual & Wellness - HMO
  • Gold $1,000 w/ Adult Dental ON-EX - HMO
  • Gold $1,000 w/ Virtual & Wellness ON-EX - HMO
  • Gold $500 w/ Virtual & Wellness ON-EX - HMO
  • Gold Standard w/ Virtual & Wellness - HMO
  • Silver $5,000 w/ Adult Dental ON-EX - HMO
  • Silver $5,000 w/ Virtual & Wellness ON-EX - HMO
  • Silver $5,800 w/ Virtual & Wellness ON-EX - HMO
  • Silver Standard w/ Virtual & Wellness - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Medicare Participation & PECOS Enrollment Status

Guillermo Alfonso is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Guillermo Alfonso 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: 3870916919

    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: I20250829000173, I20250918001233

    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? Maybe

    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

Reviews for GUILLERMO DAVID ALFONSO JR. DO

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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 1124588561, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
1
Unchanged
Pos 3
2
Doubled → 4
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
1
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 2 → 4 5 → 10 → 1 8 → 16 → 7 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 4 + 4 + 1 + 0 + 8 + 1 + 6 + 5 + 1 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1124588561.

Other Providers at the Same Location


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

Nurse Anesthetist, Certified Registered
3333 BURNET AVE
CINCINNATI, OH 45229
Pediatrics (Neonatal-Perinatal Medicine)
3333 BURNET AVE, ML 7009
CINCINNATI, OH 45229
Pediatrics (Adolescent Medicine)
3333 BURNET AVE, DIVISION OF ADOLESCENT MEDICINE BUILDING A-8TH FLOOR
CINCINNATI, OH 45229
Pediatrics (Neonatal-Perinatal Medicine)
3333 BURNET AVE, ML 7009
CINCINNATI, OH 45229
Genetic Counselor, MS
3333 BURNET AVE, ML 4006
CINCINNATI, OH 45229
Genetic Counselor, MS
3333 BURNET AVE, ML-4006
CINCINNATI, OH 45229
Anesthesiology (Pediatric Anesthesiology)
3333 BURNET AVE, ML 2001
CINCINNATI, OH 45229
Genetic Counselor, MS
3333 BURNET AVE, MLC 4006
CINCINNATI, OH 45229
Counselor (Mental Health)
3333 BURNET AVE
CINCINNATI, OH 45229
Pediatrics (Pediatric Cardiology)
3333 BURNET AVE, D 6.24 -- MLC 3016
CINCINNATI, OH 45229
Genetic Counselor, MS
3333 BURNET AVE, MLC 4006
CINCINNATI, OH 45229
Genetic Counselor, MS
3333 BURNET AVE, MLC 4006
CINCINNATI, OH 45229
Pediatrics (Adolescent Medicine)
3333 BURNET AVE, ML 4000
CINCINNATI, OH 45229
Nurse Anesthetist, Certified Registered
3333 BURNET AVE
CINCINNATI, OH 45229
Anesthesiology
3333 BURNET AVE, ML-5021
CINCINNATI, OH 45229
Nurse Practitioner
3333 BURNET AVE, ML4002
CINCINNATI, OH 45229
Nurse Practitioner (Pediatrics)
3333 BURNET AVE, MLC 2018
CINCINNATI, OH 45229
Pediatrics (Pediatric Pulmonology)
3333 BURNET AVE, MLC 2021
CINCINNATI, OH 45229
Anesthesiology (Pediatric Anesthesiology)
3333 BURNET AVE, ML 2001
CINCINNATI, OH 45229
Anesthesiology
3333 BURNET AVE, ML 2001
CINCINNATI, OH 45229

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1124588561, enumerated as an "individual" on March 21, 2019.

The provider is located at 3333 BURNET AVE CINCINNATI, OH 45229 and the phone number is (513) 636-4200.

Radiology with taxonomy code 2085P0229X and a focus in Pediatric Radiology.

The provider might be accepting Accepts: CareSource and MedMutual. Please consult your insurance carrier or call the provider to verify.