DR. AARON JOSHUA FEINSTEIN M.D., M.H.S.
NPI 1043579303
Otolaryngology in Tarzana, CA

Q: What is Aaron Feinstein's NPI number?

The NPI number for Aaron Feinstein is 1043579303. It was assigned to this individual provider in the NPPES registry on May 8, 2012.

Q: What is Aaron Feinstein's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Aaron Feinstein was last updated on January 26, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 May 08, 2012PECOS EnrolledAccepts Medicare Assignment

94.84/100

CMS Quality Rating

5525 ETIWANDA AVE STE 211, TARZANA, CA 91356(818) 609-0600(818) 609-1680 Get Directions Write a Review

NPPES record last updated: January 26, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 26, 2019, Mar 17, 2018, Apr 27, 2017 (3 updates tracked since 2017).

On this page

About Dr. Aaron Joshua Feinstein M.d., M.h.s. NPPES

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

DR. AARON JOSHUA FEINSTEIN M.D., M.H.S. (NPI 1043579303) is an individual otolaryngology provider in Tarzana, California, licensed in California (A131167) and active in the NPI registry since May 2012. He is enrolled in Medicare PECOS and is a graduate of Yale University School Of Medicine (2012).

NPPES Registry Identity

NPI1043579303

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameDR. AARON JOSHUA FEINSTEINCredential: M.D., M.H.S.

Location Address5525 ETIWANDA AVE STE 211Tarzana, CA 91356

Mailing Address5525 Etiwanda Ave Ste 211Tarzana, CA 91356-6136 · (818) 609-0600 · Fax (818) 609-1680

Phone(818) 609-0600

Fax(818) 609-1680

Sole ProprietorYes

Medical School CMSYale University School Of MedicineGraduated 2012

Enumeration DateMay 8, 2012

Last NPPES UpdateJanuary 26, 20193 updates tracked since enumeration

✔ NPI 1043579303 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in CA · A131167

Definition

An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.

5525 ETIWANDA AVE STE 211, Tarzana, CA 91356

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Aaron Joshua Feinstein M.d., M.h.s. 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 ID8820398100

PECOS Enrollment IDI20180621002061

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.

Medicare Billing Reassignments

Medicare enrollment records show Aaron Feinstein reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ent Group Of Los Angeles

Same address

Otolaryngology

5525 ETIWANDA AVE, SUITE 312
Tarzana, CA 91356

Reassigned Medicare billing, California enrollment
9 clinicians in this Medicare group

NPI 1518359850 (818) 609-0600

County Of Los Angeles

4.9 mi

Primary Care

20151 NORDHOFF ST
Chatsworth, CA 91311

Reassigned Medicare billing, California enrollment
1,939 clinicians in this Medicare group

NPI 1306334222 (818) 407-3200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 26

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.

772 services442 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.

295 services192 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.

245 services245 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.

219 services159 patients

Comprehensive hearing and speech recognition test 92557

A comprehensive hearing and speech recognition test assesses your ability to hear and understand spoken words. It includes hearing tests to check for issues with sound perception and speech tests to evaluate your word recognition. It's a crucial step in identifying any hearing or speech problems.

178 services152 patients

Comprehensive hearing test 92570

A comprehensive hearing test assesses how well you can hear different sounds. It involves a series of examinations, including pure-tone tests, speech tests, and physical examinations of the ears. This helps identify any hearing loss and its potential causes. It's a non-painful and straightforward process.

174 services147 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.

113 services105 patients

Placement of ear probe for computerized measurement of repeated sounds with interpretation and report 92588

This procedure involves placing a probe in your ear to measure how it responds to repeated sounds. The data is then interpreted by a computer to assess your hearing health. The findings are compiled into a report for further evaluation.

101 services100 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.

66 services66 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

63 services63 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.

49 services41 patients

Diagnostic exam of voice box using an endoscope 31525

This procedure involves the use of a thin, flexible instrument called an endoscope to examine the voice box. The endoscope is gently inserted through the nose or mouth to provide a clear view of the voice box. It helps in diagnosing issues related to speech, breathing, or swallowing.

39 services33 patients

Evaluation, recording, and interpretation of swallowing using an endoscope 92613

This procedure, known as endoscopic evaluation of swallowing, involves passing a thin, flexible tube with a light and camera through your nose to your throat. It helps doctors observe your swallowing process in real time, identify any issues, and plan appropriate treatments.

37 services31 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.

30 services29 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.

26 services19 patients

Evaluation and recording of swallowing using an endoscope 92612

This procedure, known as endoscopic evaluation of swallowing, involves using a thin, flexible tube with a camera (endoscope) to view your throat and evaluate your swallowing. It helps identify any issues that may be causing difficulty in swallowing.

24 services19 patients

Repositioning exercises of head for treatment of dizziness, each day 95992

Repositioning exercises of the head help manage dizziness by training your brain to cope with the signals that trigger this sensation. Daily, gentle movements of the head and body can reduce symptoms and improve balance.

22 services17 patients

Analysis of voice and resonance production 92524

Analysis of voice and resonance production is a medical procedure that evaluates your voice and the quality of sound produced when you speak. It helps identify any abnormalities or changes in your voice, which could be due to various health conditions.

21 services15 patients

Complex control of nose bleed 30903

Complex control of a nose bleed involves specialized medical interventions. Doctors may cauterize (seal) the bleeding vessel or insert a nasal packing. This procedure helps stop the bleeding and promotes healing. It's performed under local or general anesthesia.

20 services16 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.

20 services12 patients

Test to assess balance during warm and cool irrigation in both ears 92537

This is a test called caloric stimulation, used to check your balance function. During this procedure, warm and cool water are gently introduced into your ears. Your eye movements are then observed, as they can indicate issues with balance or inner ear function.

15 services15 patients

Evaluation and testing for balance with recording 92540

This procedure involves a series of evaluations and tests to analyze your balance. Recordings are made to track your performance, helping identify any issues. This aids in determining the best treatment for any balance disorders you may have.

15 services15 patients

Test for abnormal eye movement using a rotating chair 92546

A rotating chair test helps doctors assess balance issues. You'll sit in a motorized chair that spins at controlled speeds. As the chair moves, your eye movements are monitored to identify any irregularities, which can indicate balance disorders.

15 services15 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.

13 services13 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.

13 services13 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.

13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91356 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

94.84/100

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

Individually scored

Quality

81.5

Improvement Activities

Reported Quality Measures

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

100%108 patients

Adult Sinusitis: Antibiotic Prescribed for Acute Viral Sinusitis (Overuse)

Lower rates are better for this measure.

30%233 patients3/55-star benchmark: 100%

Advance Care Plan

100%1,097 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

99%5,158 patients4/55-star benchmark: 100%

Tobacco Use and Help with Quitting Among Adolescents

100%175 patients5/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 0% · 1,124 patients

Patients totalRate: 0% · 1,124 patients

0%1,124 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

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

Budesonide, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose form, up to 0.5 mg J7626

DME-Drugs Administered Through DME · category DG000N

8 suppliers17 claims840 services$0.82 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MEDICAL VALLEY PARTNERS, INC

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