JEFFREY K FEINFIELD M.D.
NPI 1740372028
Specialist in Thousand Oaks, CA

Q: What is Jeffrey Feinfield's NPI number?

The NPI number for Jeffrey Feinfield is 1740372028. It was assigned to this individual provider in the NPPES registry on September 28, 2006.

Q: What is Jeffrey Feinfield's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Feinfield was last updated on April 27, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since September 28, 2006PECOS EnrolledAccepts Medicare Assignment

93.7/100

CMS Quality Rating

555 MARIN ST, STE 100, THOUSAND OAKS, CA 91360(805) 494-4797(805) 494-4810 Get Directions Write a Review

NPPES record last updated: April 27, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Jeffrey K Feinfield M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFREY K FEINFIELD M.D. (NPI 1740372028) is an individual specialist in Thousand Oaks, California, licensed in California (A71991) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1998).

NPPES Registry Identity

NPI1740372028

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameJEFFREY K FEINFIELDCredential: M.D.

Location Address555 MARIN ST, STE 100Thousand Oaks, CA 91360-4102

Mailing Address555 Marin St, Ste 100Thousand Oaks, CA 91360-4102 · (805) 494-4797 · Fax (805) 494-4810

Phone(805) 494-4797

Fax(805) 494-4810

Sole ProprietorNo

Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1998

Enumeration DateSeptember 28, 2006

Last NPPES UpdateApril 27, 2017

✔ NPI 1740372028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in CA · A71991

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

555 MARIN ST, Thousand Oaks, CA 91360

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Other Identifiers 1

Medicare UPINH86972CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jeffrey K Feinfield M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5092806851

PECOS Enrollment IDI20070808000251

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 14

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

445 services244 patients

Removal of impacted ear wax 69210

Impacted ear wax removal is a safe procedure to clear blockages in the ear canal caused by hardened ear wax. A healthcare professional uses specialized tools or a gentle irrigation method to loosen and remove the wax, improving hearing and alleviating discomfort.

168 services121 patients

Diagnostic exam of nasal passages using an endoscope 31231

A diagnostic exam of nasal passages using an endoscope is a non-invasive procedure. A small, flexible tube with a light and camera at the end, called an endoscope, is inserted into the nose. This allows the doctor to view the nasal passages and sinuses, helping to identify any issues.

164 services118 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

141 services141 patients

Exam of ear using a microscope 92504

An exam of the ear using a microscope allows a detailed view of the ear structures. This non-invasive procedure helps identify issues such as infections, blockages, or ear damage. It's a safe, quick, and painless way to evaluate ear health.

67 services48 patients

Biopsy or removal of nasal polyp or tissue using an endoscope 31237

A nasal biopsy or polyp removal is a procedure where an endoscope, a thin tube with a light and camera, is inserted into the nose. This allows the doctor to see and remove abnormal tissues or polyps, which are small growths. This procedure helps diagnose or treat nasal issues.

41 services30 patients

Ct scan of face without contrast 70486

A CT scan of the face without contrast is a non-invasive imaging procedure. It uses X-rays to create detailed pictures of your face, including bones, soft tissues, and blood vessels. It's often used to diagnose diseases, injuries, or abnormalities. No contrast dye is used in this procedure.

40 services39 patients

Dilation of nasal sinus using an endoscope 31295

Dilation of the nasal sinus using an endoscope is a procedure to improve sinus drainage. A small tube with a camera, called an endoscope, is inserted into the nose. A balloon is then inflated to widen the sinus openings. This helps to relieve sinus pressure and symptoms.

25 services25 patients

Dilation of sphenoid and frontal nasal sinus using an endoscope 31298

This procedure involves enlarging the openings of your sphenoid and frontal nasal sinuses using a thin, lighted tube called an endoscope. It helps to alleviate symptoms of sinusitis, improving your breathing and reducing discomfort.

24 services24 patients

Removal of nasal air passage under lining tissue 30140

This procedure, often done to improve breathing or address sinus issues, involves the removal of tissue from the lining of the nasal air passage. It's performed under anesthesia and recovery time varies based on individual health status.

22 services22 patients

Diagnostic exam of voice box using a flexible endoscope 31575

This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.

17 services15 patients

Removal or destruction of growth of nose through nose 30117

This procedure involves removing or destroying a growth in the nose. It's done through the nostrils, so no external cuts are made. The growth could be a polyp, cyst, or other abnormal tissue. It helps improve breathing and reduces discomfort or other symptoms caused by the growth.

16 services12 patients

Exam to assess movement of vocal cord flaps using an endoscope 31579

This procedure involves using a thin, flexible tube called an endoscope to view your vocal cords. The endoscope is gently inserted through your nose or mouth to observe the movement of your vocal cords. This helps identify any abnormalities or issues.

13 services13 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

13 services11 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.7/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

87.4

Improvement Activities

Reported Quality Measures

Acute Otitis Externa (AOE): Systemic Antimicrobial Therapy - Avoidance of Inappropriate Use

100%67 patients

Advance Care Plan

100%414 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

100%2,136 patients5/55-star benchmark: 100%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 95% · 533 patients

Patients screened: 93% · 533 patients

100%32 patients5/55-star benchmark: 100%

Tobacco Use and Help with Quitting Among Adolescents

99%86 patients4/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 1% · 426 patients

Patients totalRate: 1% · 426 patients

0%426 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604