DONALD MAHON M.D. NPI 1255335659

NPI Information

  • NPI: 1255335659
  • Provider Name: DONALD MAHON, M.D.
  • Classification: Internal Medicine - 207RC0000X
  • Specialization: Cardiovascular Disease
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 1140 W LA VETA AVE STE 430
    ORANGE, CA
    ZIP 92868
  • Phone: (714) 543-5555

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NPI Details

Donald Mahon, M.D. is a cardiovascular disease internal medicine in Orange, CA with 44 years of experience. The provider is an internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms. Donald Mahon, M.D. NPI is 1255335659. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: BAYLOR COLLEGE OF MEDICINE
Graduation Year:1982

The provider's business location address is:

1140 W LA VETA AVE STE 430
ORANGE, CA
ZIP 92868-226
Phone: (714) 543-5555
Fax: (714) 836-2427

The NPI 1255335659 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.

  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS:93000)
  • Heart rhythm review and interpretation of continous external ekg over 8-15 days (HCPCS:93248)
  • Programming of dual lead pacemaker system (HCPCS:93280)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • New patient office or other outpatient visit, 30-44 minutes (HCPCS:99203)
  • Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report (HCPCS:93351)
  • Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist (HCPCS:93458)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)
  • Ultrasound of heart with color-depicted blood flow, rate and valve function (HCPCS:93325)
  • Established patient office or other outpatient visit, 10-19 minutes (HCPCS:99212)
  • Initial hospital inpatient care per day, typically 50 minutes (HCPCS:99222)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (HCPCS:93018)
  • Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (HCPCS:93016)
  • Ultrasound of heart, follow-up (HCPCS:93308)
  • Ultrasound of heart blood flow, valves and chambers (HCPCS:93320)
  • Coronary angioplasty and stenting (HCPCS:NAN05)
  • Pacemaker insertion or repair (HCPCS:NAN10)

The enumeration date for this NPI number is 6/13/2005 and was last updated on 11/8/2021.

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
1174400000XSpecialistC41581CALIFORNIANo
2207RC0000XInternal MedicineCardiovascular DiseaseC41581CALIFORNIAYes

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
1060062841OTHERCALIFORNIARAILROAD MEDICARE
2W13988OTHERCALIFORNIAMEDICARE PTAN
3W13988AOTHERCALIFORNIAMEDICARE PTAN
4DB3373OTHERCALIFORNIARAILROAD 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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