DR. JOHN ALSTON RIDDICK M.D. NPI 1417131715

NPI Information

  • NPI: 1417131715
  • Provider Name: DR. JOHN ALSTON RIDDICK, M.D.
  • Classification: Internal Medicine - 207RI0011X
  • Specialization: Interventional Cardiology
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 2400 PATTERSON ST
    SUITE 502
    NASHVILLE, TN
    ZIP 37203
  • Phone: (615) 515-1900

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NPI Details

DR. John Alston Riddick, M.D. is an interventional cardiology internal medicine in Nashville, TN with 25 years of experience. The provider is an area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system. DR. John Alston Riddick, M.D. NPI is 1417131715. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: VANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:2001

The provider's business location address is:

2400 PATTERSON ST
SUITE 502
NASHVILLE, TN
ZIP 37203-562
Phone: (615) 515-1900
Fax: (615) 292-4633

The NPI 1417131715 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS:93010)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (HCPCS:93018)
  • Ultrasound of heart with color-depicted blood flow, rate and valve function (HCPCS:93325)
  • Ultrasound of heart, follow-up (HCPCS:93308)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Ultrasound of heart blood flow, valves and chambers, follow-up (HCPCS:93321)
  • Nuclear medicine studies of heart muscle at rest and with stress and spect (HCPCS:78452)
  • Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes (HCPCS:99152)
  • Ultrasound of both sides of head and neck blood flow (HCPCS:93880)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Initial hospital inpatient care per day, typically 70 minutes (HCPCS:99223)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (HCPCS:93016)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)
  • Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (HCPCS:93458)
  • Hospital discharge day management, 30 minutes or less (HCPCS:99238)
  • Replacement of aortic valve through the skin and femoral artery (HCPCS:33361)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist (HCPCS:93460)
  • Insertion of tube in right heart chambers for measurement (HCPCS:93451)
  • Insertion of tube in right heart chambers and coronary artery for diagnosis with review by radiologist (HCPCS:93456)
  • Ultrasound evaluation of heart blood vessel or graft with review by radiologist, initial vessel (HCPCS:92978)
  • Ultrasound study of arm or leg veins with compression and maneuvers (HCPCS:93970)
  • Electrocardiogram (ecg) 2-day continuous with review by health care professional (HCPCS:93227)
  • Coronary angioplasty and stenting (HCPCS:NAN05)
  • Pacemaker insertion or repair (HCPCS:NAN10)

The enumeration date for this NPI number is 12/21/2007 and was last updated on 2/9/2022.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RC0000XInternal MedicineCardiovascular Disease37285TENNESSEENo
2207RI0011XInternal MedicineInterventional Cardiology37285TENNESSEEYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
14187300OTHERTENNESSEEBCBS
21505355MEDICAIDTENNESSEE
37100042790MEDICAIDKENTUCKY
4P00614599OTHERTENNESSEERR MEDICARE

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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