JON STEPHEN PORTNOFF M.D. NPI 1609874445

NPI Information

  • NPI: 1609874445
  • Provider Name: JON STEPHEN PORTNOFF, M.D.
  • Classification: Internal Medicine - 207RC0000X
  • Specialization: Cardiovascular Disease
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 260 HOSPITAL DR
    SUITE 207
    UKIAH, CA
    ZIP 95482
  • Phone: (707) 463-2400

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NPI Details

Jon Stephen Portnoff, M.D. is a cardiovascular disease internal medicine in Ukiah, CA with 42 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. Jon Stephen Portnoff, M.D. NPI is 1609874445. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

260 HOSPITAL DR
SUITE 207
UKIAH, CA
ZIP 95482-533
Phone: (707) 463-2400
Fax: (707) 463-3520

The NPI 1609874445 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)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Established patient office or other outpatient visit, 40-54 minutes (HCPCS:99215)
  • Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS:93306)
  • New patient office or other outpatient visit, 60-74 minutes (HCPCS:99205)
  • Programming of dual lead pacemaker system (HCPCS:93280)
  • Heart rhythm review and interpretation of continous external ekg over 8-15 days (HCPCS:93248)
  • Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (HCPCS:93294)
  • Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days (HCPCS:93295)
  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • New patient office or other outpatient visit, 45-59 minutes (HCPCS:99204)

The enumeration date for this NPI number is 7/13/2005 and was last updated on 10/25/2012.

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
1207RI0011XInternal MedicineInterventional CardiologyA43219CALIFORNIANo
2207RC0000XInternal MedicineCardiovascular DiseaseA43219CALIFORNIAYes

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
100A432196MEDICARE PINCALIFORNIA
200A432190MEDICAIDCALIFORNIA
3CJ909ZMEDICARE PINCALIFORNIA
400A432190OTHERCALIFORNIABLUE SHIELD OF CALIFORNIA
5060020995OTHERCALIFORNIARAILROAD MEDICARE
600A432191MEDICARE PINCALIFORNIA
7ZZZ00872ZOTHERCALIFORNIAMEDICARE PTAN

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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