DR. MARTIN L HOPP MD PHD
NPI 1336284561
Otolaryngology in Los Angeles, CA

Q: What is Martin Hopp's NPI number?

The NPI number for Martin Hopp is 1336284561. It was assigned to this individual provider in the NPPES registry on February 21, 2007.

Q: What is Martin Hopp'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 Martin Hopp was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 February 21, 2007PECOS EnrolledAccepts Medicare Assignment

99.15/100

CMS Quality Rating

8631 W 3RD ST, SUITE 440E, LOS ANGELES, CA 90048(310) 657-7704 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Martin L Hopp Md Phd NPPES

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

DR. MARTIN L HOPP MD PHD (NPI 1336284561) is an individual otolaryngology provider in Los Angeles, California, licensed in California (G037521) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Northwestern University Feinberg Medical School (1977).

NPPES Registry Identity

NPI1336284561

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameDR. MARTIN L HOPPCredential: MD PHD

Location Address8631 W 3RD ST, SUITE 440ELos Angeles, CA 90048-5901

Mailing Address8631 W 3rd St, Suite 440eLos Angeles, CA 90048-5901 · (310) 657-7704

Phone(310) 657-7704

Sole ProprietorYes

Medical School CMSNorthwestern University Feinberg Medical SchoolGraduated 1977

Enumeration DateFebruary 21, 2007

Last NPPES UpdateJuly 8, 2007

✔ NPI 1336284561 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in CA · G037521

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.

8631 W 3RD ST, Los Angeles, CA 90048

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Other Identifiers 2

Medicare ID-Type UnspecifiedWG37521BCA

Medicare UPINA47122CA

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. Martin L Hopp Md Phd 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 ID9830133644

PECOS Enrollment IDI20110203000656

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 Reassignment

Medicare enrollment records show Martin Hopp reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Martin L. Hopp, MD Phd, A Medical Corp

Same address

Otolaryngology

8631 W 3RD ST, SUITE 440E
Los Angeles, CA 90048

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

NPI 1720113954 (310) 657-7704

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.

Test for allergy using allergenic extract 95004

An allergy test with allergenic extract is a diagnostic method to identify substances causing allergic reactions. Small amounts of common allergens are introduced to your body, usually through skin pricks or blood tests. Your body's response helps determine your allergies.

1,404 services26 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.

928 services556 patients

Test for allergy using allergenic extract injected into skin 95024

An allergy skin test involves injecting a small amount of allergenic extract into your skin. This test helps determine if you're allergic to specific substances. If allergic, a small red bump appears at the test site. It's safe and quick.

775 services26 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.

410 services304 patients

Professional service for multiple injections of allergen 95117

The professional service for multiple injections of allergens involves administering small doses of specific allergens into your body. This is done to help your immune system become less sensitive to them, reducing your allergic reaction over time. It's a safe, effective way to manage allergies.

274 services16 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.

264 services208 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.

258 services258 patients

Professional service for preparation and provision of 1 or more antigens 95165

This service involves the creation and supply of antigens, substances that stimulate your immune system to fight diseases. These antigens can be used in vaccines or allergy tests to help your body build defenses against specific health threats.

229 services14 patients

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.

219 services184 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.

139 services123 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.

139 services133 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.

114 services93 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.

113 services92 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.

85 services78 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.

76 services57 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.

72 services63 patients

Test to assess middle ear muscle reflex 92568

A test to assess middle ear muscle reflex evaluates how well the tiny muscles in your ear respond to loud sounds. This can help identify hearing issues or nerve problems. The process is non-invasive and painless.

59 services56 patients

Test to assess middle ear function 92567

A test to assess middle ear function, also known as an impedance audiometry, helps evaluate how well your middle ear works. It measures the movement of your eardrum in response to changes in air pressure. This can help identify issues like fluid build-up, ear infections, or eardrum perforations.

58 services58 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.

58 services55 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

40 services38 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.

29 services29 patients

Control of bleeding of nose using an endoscope 31238

This is a procedure where an endoscope, a thin tube with a light and camera, is used to view inside your nose. This allows the doctor to locate the source of the bleeding and control it, often by cauterization or packing the nose.

25 services16 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.

20 services20 patients

Study of voice box function 92520

The study of voice box function, or laryngoscopy, involves examining your voice box, or larynx, to assess its health and function. It helps identify issues like voice disorders, throat pain, or breathing problems. It's a non-invasive, painless procedure done by a medical professional.

16 services15 patients

Exam of the nose and throat using an endoscope 92511

An endoscopic examination of the nose and throat is a procedure where a thin, flexible tube with a light and camera attached (endoscope) is used to view these areas in detail. It helps identify any abnormalities or issues that may be causing symptoms like difficulty swallowing, persistent cough, or nasal congestion.

15 services15 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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.

99.15/100

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

Scored as part of a group practice

Promoting Interoperability

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims 9

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