MICHAEL ALEXANDER HAJEK MD
NPI 1114456639
Otolaryngology in Santa Cruz, CA

Q: What is Michael Hajek's NPI number?

The NPI number for Michael Hajek is 1114456639. It was assigned to this individual provider in the NPPES registry on June 8, 2017.

Q: What is Michael Hajek'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 Michael Hajek was last updated on November 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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 June 08, 2017PECOS EnrolledAccepts Medicare Assignment

91.41/100

CMS Quality Rating

550 WATER ST STE A, SANTA CRUZ, CA 95060(831) 476-4414(831) 476-0264 Get Directions Write a Review

NPPES record last updated: November 22, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 22, 2024, Nov 16, 2023, Oct 19, 2023 and 1 more (4 updates tracked since 2017).

On this page

About Michael Alexander Hajek Md NPPES

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

MICHAEL ALEXANDER HAJEK MD (NPI 1114456639) is an individual otolaryngology provider in Santa Cruz, California, licensed in Massachusetts (1016968) and active in the NPI registry since June 2017. He is enrolled in Medicare PECOS, maintains a secondary practice location in Freedom, and is a graduate of Yale University School Of Medicine (2017).

NPPES Registry Identity

NPI1114456639

Entity TypeIndividualMale

Primary Taxonomy207Y00000X

Provider Legal NameMICHAEL ALEXANDER HAJEKCredential: MD

Location Address550 WATER ST STE ASanta Cruz, CA 95060-4126

Mailing Address550 Water St Ste ASanta Cruz, CA 95060-4126 · Fax (781) 744-3440

Phone(831) 476-4414

Fax(831) 476-0264

Sole ProprietorYes

Medical School CMSYale University School Of MedicineGraduated 2017

Enumeration DateJune 8, 2017

Last NPPES UpdateNovember 22, 20244 updates tracked since enumeration

NPPES CertifiedNovember 22, 2024

✔ NPI 1114456639 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians

Taxonomy Code207Y00000X

License✔ Licensed in MA · 1016968

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.

550 WATER ST STE A, Santa Cruz, CA 95060

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Secondary Practice Location 1

Location 1243 Green Valley Rd Ste BFreedom, CA 95019-3133 · Phone (831) 724-9449 · Fax (831) 724-1971

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

Michael Alexander Hajek Md 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 ID6507137536

PECOS Enrollment IDI20241115002926

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 Michael Hajek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Bass Medical Group

50 mi

Orthopaedic Surgery

19842 LAKE CHABOT RD
Castro Valley, CA 94546

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

NPI 1093181646 (510) 886-8844

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 12

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.

211 services178 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

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.

106 services100 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.

96 services81 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.

91 services91 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.

53 services52 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.

49 services45 patients

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

22 services22 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.

19 services19 patients

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

17 services16 patients

Removal of impacted ear wax 69210

11 services11 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.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95060 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

$141.77 typical visit price

range $62.97 – $186.69

Typical copayment $35.44 (range $15.74 – $46.67)

Most-billed visit code 99204

Established Patient

$77.84 typical visit price

range $21.02 – $153.16

Typical copayment $19.46 (range $5.25 – $38.29)

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.

91.41/100

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

Scored through an Alternative Payment Model

Quality

76.87

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 13

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

DR. RACHEL ERSOFF AUD

Audiologist